SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

AtriCure, Inc. – ‘10-K’ for 12/31/20 – ‘JSON’

On:  Friday, 2/26/21, at 1:29pm ET   ·   For:  12/31/20   ·   Accession #:  1323885-21-11   ·   File #:  0-51470

Previous ‘10-K’:  ‘10-K’ on 2/24/20 for 12/31/19   ·   Next:  ‘10-K’ on 2/17/22 for 12/31/21   ·   Latest:  ‘10-K’ on 2/16/24 for 12/31/23   ·   19 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 2/26/21  AtriCure, Inc.                    10-K       12/31/20  111:23M

Annual Report   —   Form 10-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.91M 
 2: EX-10.17    Material Contract                                   HTML     75K 
 3: EX-10.19    Material Contract                                   HTML     40K 
 4: EX-10.20    Material Contract                                   HTML     81K 
 5: EX-21       Subsidiaries List                                   HTML     29K 
 6: EX-23.1     Consent of Expert or Counsel                        HTML     30K 
 7: EX-31.1     Certification -- §302 - SOA'02                      HTML     39K 
 8: EX-31.2     Certification -- §302 - SOA'02                      HTML     39K 
 9: EX-32.1     Certification -- §906 - SOA'02                      HTML     36K 
10: EX-32.2     Certification -- §906 - SOA'02                      HTML     36K 
17: R1          Document and Entity Information                     HTML     94K 
18: R2          Consolidated Balance Sheets                         HTML    117K 
19: R3          Consolidated Balance Sheets (Parenthetical)         HTML     41K 
20: R4          Consolidated Statements of Operations and           HTML    100K 
                Comprehensive Loss                                               
21: R5          Consolidated Statements of Stockholders' Equity     HTML     84K 
22: R6          Consolidated Statements of Cash Flows               HTML    151K 
23: R7          Consolidated Statements of Cash Flows               HTML     31K 
                (Parenthetical)                                                  
24: R8          Description of Business and Summary of Significant  HTML    152K 
                Accounting Policies                                              
25: R9          Recent Accounting Pronouncements                    HTML     41K 
26: R10         Fair Value                                          HTML    385K 
27: R11         Investments                                         HTML    137K 
28: R12         Business Combinations                               HTML    148K 
29: R13         Intangible Assets and Goodwill                      HTML    125K 
30: R14         Inventories                                         HTML     58K 
31: R15         Property and Equipment                              HTML    104K 
32: R16         Accrued Liabilities                                 HTML     77K 
33: R17         Indebtedness                                        HTML     59K 
34: R18         Leases                                              HTML    272K 
35: R19         Commitments and Contingencies                       HTML     40K 
36: R20         Revenue                                             HTML     41K 
37: R21         Income Taxes                                        HTML    385K 
38: R22         Concentrations                                      HTML     36K 
39: R23         Employee Benefit Plans                              HTML     36K 
40: R24         Equity Compensation Plans                           HTML    753K 
41: R25         Segment and Geographic Information                  HTML    183K 
42: R26         Selected Quarterly Financial Data                   HTML    159K 
43: R27         Schedule II - Valuation And Qualifying Accounts     HTML    167K 
44: R28         Description of Business and Summary of Significant  HTML    204K 
                Accounting Policies (Policies)                                   
45: R29         Description of Business and Summary of Significant  HTML    116K 
                Accounting Policies (Tables)                                     
46: R30         Fair Value (Tables)                                 HTML    367K 
47: R31         Investments (Tables)                                HTML    135K 
48: R32         Business Combinations (Tables)                      HTML    136K 
49: R33         Intangible Assets and Goodwill (Tables)             HTML    124K 
50: R34         Inventories (Tables)                                HTML     58K 
51: R35         Property and Equipment (Tables)                     HTML     99K 
52: R36         Accrued Liabilities (Tables)                        HTML     76K 
53: R37         Indebtedness (Tables)                               HTML     47K 
54: R38         Leases (Tables)                                     HTML    270K 
55: R39         Income Taxes (Tables)                               HTML    371K 
56: R40         Equity Compensation Plans (Tables)                  HTML    733K 
57: R41         Segment and Geographic Information (Tables)         HTML    178K 
58: R42         Selected Quarterly Financial Data (Tables)          HTML    157K 
59: R43         Description of Business and Summary of Significant  HTML     43K 
                Accounting Policies (Narrative) (Details)                        
60: R44         Description of Business and Summary of Significant  HTML     49K 
                Accounting Policies (Accumulated Other                           
                Comprehensive Income (Loss)) (Details)                           
61: R45         Fair Value (Narrative) (Details)                    HTML     94K 
62: R46         Fair Value (Financial Assets And Liabilities        HTML     65K 
                Measured At Fair Value On A Recurring Basis)                     
                (Details)                                                        
63: R47         Fair Value (Level 3 Fair Value Measurements Using   HTML     53K 
                Significant Other Unobservable Inputs For                        
                Acquisition-Related Contingent Consideration                     
                (Recurring)) (Details)                                           
64: R48         Fair Value (Level 3 Fair Value Measurements Using   HTML     42K 
                Significant Other Unobservable Inputs For                        
                Acquisition-Related Contingent Consideration)                    
                (Details)                                                        
65: R49         Investments (Narrative) (Details)                   HTML     32K 
66: R50         Investments (Summary Of Short-term Investments)     HTML     48K 
                (Details)                                                        
67: R51         Business Combinations (Narrative) (Details)         HTML     86K 
68: R52         Business Combinations (Schedule of Components of    HTML     40K 
                Aggregate Purchase Price) (Details)                              
69: R53         Business Combinations (Summary Of Estimated Fair    HTML     64K 
                Values Of Assets Acquired And Liabilities Assumed)               
                (Details)                                                        
70: R54         Business Combinations (Valuation of Intangible      HTML     40K 
                Assets Acquired and Related Amortization Periods)                
                (Details)                                                        
71: R55         Business Combination (Pro-forma Acquisition         HTML     37K 
                Information) (Details)                                           
72: R56         Intangible Assets and Goodwill (Narrative)          HTML     43K 
                (Details)                                                        
73: R57         Intangible Assets and Goodwill (Company's           HTML     45K 
                Intangible Assets) (Details)                                     
74: R58         Intangible Assets and Goodwill (Future              HTML     45K 
                Amortization Expense Related To Intangible Assets                
                With Definite Lives) (Details)                                   
75: R59         Intangible Assets and Goodwill (Summary Of          HTML     34K 
                Company's Goodwill) (Details)                                    
76: R60         Inventories (Summary Of Inventories) (Details)      HTML     39K 
77: R61         Property and Equipment (Narrative) (Details)        HTML     38K 
78: R62         Property and Equipment (Summary Of Property And     HTML     73K 
                Equipment) (Details)                                             
79: R63         Accrued Liabilities (Accrued Liabilities)           HTML     51K 
                (Details)                                                        
80: R64         Indebtedness (Narrative) (Details)                  HTML     67K 
81: R65         Indebtedness (Future Maturities On Debt) (Details)  HTML     47K 
82: R66         Leases (Narrative) (Details)                        HTML     45K 
83: R67         Leases (Summary Of Weighted Average Remaining       HTML     39K 
                Lease Term And Discount Rate) (Details)                          
84: R68         Leases (Summary Of Components Of Lease Expense)     HTML     39K 
                (Details)                                                        
85: R69         Leases (Summary Of Supplemental Cash Flow           HTML     46K 
                Information Related To Leases) (Details)                         
86: R70         Leases (Summary Of Supplemental Balance Sheet       HTML     63K 
                Information Related To Leases) (Details)                         
87: R71         Leases (Schedule Of Maturities Of Lease             HTML     70K 
                Liabilities) (Details)                                           
88: R72         Commitments and Contingencies (Narrative)           HTML     43K 
                (Details)                                                        
89: R73         Revenue (Narrative) (Details)                       HTML     39K 
90: R74         Income Taxes (Narrative) (Details)                  HTML     92K 
91: R75         Income Taxes (Summary Of Company's Provision for    HTML     60K 
                Income Taxes) (Details)                                          
92: R76         Income Taxes (Summary Of Detail Of Deferred Tax     HTML     61K 
                Assets And Liabilities) (Details)                                
93: R77         Income Taxes (Summary Of Difference Between         HTML     80K 
                Effective Income Tax Rates And Federal Statutory                 
                Rate) (Details)                                                  
94: R78         Income Taxes (Summary Of Reconciliation Of Change   HTML     43K 
                In Federal And State Unrecognized Tax Benefits)                  
                (Details)                                                        
95: R79         Concentrations (Narrative) (Details)                HTML     42K 
96: R80         Employee Benefit Plans (Narrative) (Details)        HTML     41K 
97: R81         Equity Compensation Plans (Narrative) (Details)     HTML    141K 
98: R82         Equity Compensation Plans (Activity Under Stock     HTML    117K 
                Based Compensation Plans) (Details)                              
99: R83         Equity Compensation Plans (Share-Based              HTML     47K 
                Compensation Expense Related To Employee                         
                Share-Based Compensation) (Details)                              
100: R84         Equity Compensation Plans (Assumptions Used for     HTML     49K  
                Determining Fair Value of Options) (Details)                     
101: R85         Equity Compensation Plans (Weighted Average         HTML     41K  
                Estimated Grant Date Fair Value Per Share of Stock               
                Options, Restricted Stock Granted, And Performance               
                Awards) (Details)                                                
102: R86         Equity Compensation Plans (Estimated Grant Date     HTML     51K  
                Fair Value Per Share of Performance Options                      
                Granted) (Details)                                               
103: R87         Segment and Geographic Information (Narrative)      HTML     31K  
                (Details)                                                        
104: R88         Segment and Geographic Information (Revenue By      HTML     56K  
                Geographic Area) (Details)                                       
105: R89         Segment and Geographic Information (Revenue By      HTML     68K  
                Product Type) (Details)                                          
106: R90         Selected Quarterly Financial Data (Schedule Of      HTML     55K  
                Quarterly Financial Information) (Details)                       
107: R91         Schedule II (Schedule Of Valuation And Qualifying   HTML     50K  
                Accounts) (Details)                                              
109: XML         IDEA XML File -- Filing Summary                      XML    210K  
16: XML         XBRL Instance -- atrc-20201231x10k_htm               XML   7.23M 
108: EXCEL       IDEA Workbook of Financial Reports                  XLSX    134K  
12: EX-101.CAL  XBRL Calculations -- atrc-20201231_cal               XML    296K 
13: EX-101.DEF  XBRL Definitions -- atrc-20201231_def                XML    791K 
14: EX-101.LAB  XBRL Labels -- atrc-20201231_lab                     XML   1.67M 
15: EX-101.PRE  XBRL Presentations -- atrc-20201231_pre              XML   1.43M 
11: EX-101.SCH  XBRL Schema -- atrc-20201231                         XSD    217K 
110: JSON        XBRL Instance as JSON Data -- MetaLinks              516±   788K  
111: ZIP         XBRL Zipped Folder -- 0001323885-21-000011-xbrl      Zip    462K  


‘JSON’   —   XBRL Instance as JSON Data — MetaLinks


This File is an XBRL Instance as JavaScript Object Notation (JSON) Data.



{
"instance":  {
    "atrc-20201231x10k.htm":  {
        "axisCustom":  0,
        "axisStandard":  31,
        "contextCount":  355,
        "dts":  {
            "calculationLink":  {
                "local":  [
                    "atrc-20201231_cal.xml"
                    ]
                },
            "definitionLink":  {
                "local":  [
                    "atrc-20201231_def.xml"
                    ],
                "remote":  [
                    "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-eedm-def-2020-01-31.xml",
                    "http://xbrl.fasb.org/srt/2020/elts/srt-eedm1-def-2020-01-31.xml"
                    ]
                },
            "inline":  {
                "local":  [
                    "atrc-20201231x10k.htm"
                    ]
                },
            "labelLink":  {
                "local":  [
                    "atrc-20201231_lab.xml"
                    ],
                "remote":  [
                    "http://xbrl.fasb.org/srt/2020/elts/srt-doc-2020-01-31.xml",
                    "https://xbrl.sec.gov/dei/2020/dei-doc-2020-01-31.xml",
                    "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-doc-2020-01-31.xml"
                    ]
                },
            "presentationLink":  {
                "local":  [
                    "atrc-20201231_pre.xml"
                    ]
                },
            "referenceLink":  {
                "remote":  [
                    "http://xbrl.fasb.org/srt/2020/elts/srt-ref-2020-01-31.xml",
                    "https://xbrl.sec.gov/dei/2020/dei-ref-2020-01-31.xml",
                    "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-ref-2020-01-31.xml"
                    ]
                },
            "schema":  {
                "local":  [
                    "atrc-20201231.xsd"
                    ],
                "remote":  [
                    "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
                    "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
                    "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
                    "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd",
                    "http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd",
                    "http://www.xbrl.org/2005/xbrldt-2005.xsd",
                    "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
                    "http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd",
                    "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
                    "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
                    "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
                    "http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd",
                    "http://xbrl.fasb.org/srt/2020/elts/srt-roles-2020-01-31.xsd",
                    "https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd",
                    "http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd",
                    "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
                    "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
                    "https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd",
                    "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd",
                    "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
                    "http://xbrl.fasb.org/us-gaap/2020/elts/us-parts-codification-2020-01-31.xsd"
                    ]
                }
            },
        "elementCount":  740,
        "entityCount":  1,
        "hidden":  {
            "http://fasb.org/us-gaap/2020-01-31":  91,
            "http://www.atricure.com/20201231":  15,
            "http://xbrl.sec.gov/dei/2020-01-31":  8,
            "total":  114
            },
        "keyCustom":  59,
        "keyStandard":  486,
        "memberCustom":  40,
        "memberStandard":  61,
        "nsprefix":  "atrc",
        "nsuri":  "http://www.atricure.com/20201231",
        "report":  {
            "R1":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "dei:DocumentType",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "document",
                "isDefault":  "true",
                "longName":  "00090 - Document - Document and Entity Information",
                "role":  "http://www.atricure.com/role/DocumentDocumentAndEntityInformation",
                "shortName":  "Document and Entity Information",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "dei:DocumentType",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R10":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FairValueDisclosuresTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10301 - Disclosure - Fair Value",
                "role":  "http://www.atricure.com/role/DisclosureFairValue",
                "shortName":  "Fair Value",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:FairValueDisclosuresTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R11":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10401 - Disclosure - Investments",
                "role":  "http://www.atricure.com/role/DisclosureInvestments",
                "shortName":  "Investments",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R12":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessCombinationDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10501 - Disclosure - Business Combinations",
                "role":  "http://www.atricure.com/role/DisclosureBusinessCombinations",
                "shortName":  "Business Combinations",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:BusinessCombinationDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R13":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IntangibleAssetsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10601 - Disclosure - Intangible Assets and Goodwill",
                "role":  "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwill",
                "shortName":  "Intangible Assets and Goodwill",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IntangibleAssetsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R14":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:InventoryDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10701 - Disclosure - Inventories",
                "role":  "http://www.atricure.com/role/DisclosureInventories",
                "shortName":  "Inventories",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:InventoryDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R15":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10801 - Disclosure - Property and Equipment",
                "role":  "http://www.atricure.com/role/DisclosurePropertyAndEquipment",
                "shortName":  "Property and Equipment",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R16":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10901 - Disclosure - Accrued Liabilities",
                "role":  "http://www.atricure.com/role/DisclosureAccruedLiabilities",
                "shortName":  "Accrued Liabilities",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R17":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11001 - Disclosure - Indebtedness",
                "role":  "http://www.atricure.com/role/DisclosureIndebtedness",
                "shortName":  "Indebtedness",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DebtDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R18":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LeasesOfLesseeDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11101 - Disclosure - Leases",
                "role":  "http://www.atricure.com/role/DisclosureLeases",
                "shortName":  "Leases",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:LeasesOfLesseeDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R19":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11201 - Disclosure - Commitments and Contingencies",
                "role":  "http://www.atricure.com/role/DisclosureCommitmentsAndContingencies",
                "shortName":  "Commitments and Contingencies",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R2":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:CashAndCashEquivalentsAtCarryingValue",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "00100 - Statement - Consolidated Balance Sheets",
                "role":  "http://www.atricure.com/role/StatementConsolidatedBalanceSheets",
                "shortName":  "Consolidated Balance Sheets",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:ShortTermInvestments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R20":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11301 - Disclosure - Revenue",
                "role":  "http://www.atricure.com/role/DisclosureRevenue",
                "shortName":  "Revenue",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromContractWithCustomerTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R21":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeTaxDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11401 - Disclosure - Income Taxes",
                "role":  "http://www.atricure.com/role/DisclosureIncomeTaxes",
                "shortName":  "Income Taxes",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:IncomeTaxDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R22":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ConcentrationRiskDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11501 - Disclosure - Concentrations",
                "role":  "http://www.atricure.com/role/DisclosureConcentrations",
                "shortName":  "Concentrations",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ConcentrationRiskDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R23":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11601 - Disclosure - Employee Benefit Plans",
                "role":  "http://www.atricure.com/role/DisclosureEmployeeBenefitPlans",
                "shortName":  "Employee Benefit Plans",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R24":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11701 - Disclosure - Equity Compensation Plans",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlans",
                "shortName":  "Equity Compensation Plans",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R25":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SegmentReportingDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11801 - Disclosure - Segment and Geographic Information",
                "role":  "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformation",
                "shortName":  "Segment and Geographic Information",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:SegmentReportingDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R26":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:QuarterlyFinancialInformationTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "11901 - Disclosure - Selected Quarterly Financial Data",
                "role":  "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialData",
                "shortName":  "Selected Quarterly Financial Data",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:QuarterlyFinancialInformationTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R27":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "srt:ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "12001 - Disclosure - Schedule II - Valuation And Qualifying Accounts",
                "role":  "http://www.atricure.com/role/DisclosureScheduleIiValuationAndQualifyingAccounts",
                "shortName":  "Schedule II - Valuation And Qualifying Accounts",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "srt:ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R28":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:NatureOfOperations",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "20102 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Policies)",
                "role":  "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies",
                "shortName":  "Description of Business and Summary of Significant Accounting Policies (Policies)",
                "subGroupType":  "policies",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:NatureOfOperations",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R29":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30103 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables",
                "shortName":  "Description of Business and Summary of Significant Accounting Policies (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R3":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "00200 - Statement - Consolidated Balance Sheets (Parenthetical)",
                "role":  "http://www.atricure.com/role/StatementConsolidatedBalanceSheetsParenthetical",
                "shortName":  "Consolidated Balance Sheets (Parenthetical)",
                "subGroupType":  "parenthetical",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R30":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30303 - Disclosure - Fair Value (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureFairValueTables",
                "shortName":  "Fair Value (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R31":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30403 - Disclosure - Investments (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureInvestmentsTables",
                "shortName":  "Investments (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R32":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "atrc:ScheduleOfComponentsOfBusinessCombinationAggregatePurchasePriceTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30503 - Disclosure - Business Combinations (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureBusinessCombinationsTables",
                "shortName":  "Business Combinations (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "atrc:ScheduleOfComponentsOfBusinessCombinationAggregatePurchasePriceTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R33":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30603 - Disclosure - Intangible Assets and Goodwill (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillTables",
                "shortName":  "Intangible Assets and Goodwill (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R34":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30703 - Disclosure - Inventories (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureInventoriesTables",
                "shortName":  "Inventories (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R35":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30803 - Disclosure - Property and Equipment (Tables)",
                "role":  "http://www.atricure.com/role/DisclosurePropertyAndEquipmentTables",
                "shortName":  "Property and Equipment (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:PropertyPlantAndEquipmentTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R36":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "30903 - Disclosure - Accrued Liabilities (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureAccruedLiabilitiesTables",
                "shortName":  "Accrued Liabilities (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R37":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "31003 - Disclosure - Indebtedness (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureIndebtednessTables",
                "shortName":  "Indebtedness (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R38":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "atrc:SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "31103 - Disclosure - Leases (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureLeasesTables",
                "shortName":  "Leases (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "atrc:SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R39":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "31403 - Disclosure - Income Taxes (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureIncomeTaxesTables",
                "shortName":  "Income Taxes (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R4":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "00300 - Statement - Consolidated Statements of Operations and Comprehensive Loss",
                "role":  "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss",
                "shortName":  "Consolidated Statements of Operations and Comprehensive Loss",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:CostOfRevenue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R40":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfShareBasedCompensationActivityTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "31703 - Disclosure - Equity Compensation Plans (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlansTables",
                "shortName":  "Equity Compensation Plans (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfShareBasedCompensationActivityTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R41":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "31803 - Disclosure - Segment and Geographic Information (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationTables",
                "shortName":  "Segment and Geographic Information (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R42":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "31903 - Disclosure - Selected Quarterly Financial Data (Tables)",
                "role":  "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataTables",
                "shortName":  "Selected Quarterly Financial Data (Tables)",
                "subGroupType":  "tables",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R43":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:Depreciation",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40101 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails",
                "shortName":  "Description of Business and Summary of Significant Accounting Policies (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "us-gaap:EarningsPerSharePolicyTextBlock",
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit13",
                    "xsiNil":  "false"
                    }
                },
            "R44":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2019",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40104 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Accumulated Other Comprehensive Income (Loss)) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails",
                "shortName":  "Description of Business and Summary of Significant Accounting Policies (Accumulated Other Comprehensive Income (Loss)) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2017",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R45":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "atrc:ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities",
                        "span",
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  null,
                    "name":  "atrc:ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40301 - Disclosure - Fair Value (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                "shortName":  "Fair Value (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "atrc:ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities",
                        "span",
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  null,
                    "name":  "atrc:ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R46":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:AvailableForSaleSecurities",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40302 - Disclosure - Fair Value (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                "shortName":  "Fair Value (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:AvailableForSaleSecurities",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R47":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_srt_RangeAxis_srt_MinimumMember_us-gaap_MeasurementInputTypeAxis_atrc_MeasurementInputYearProjectionMember",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "atrc:ProjectedFiscalYearPayment",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40303 - Disclosure - Fair Value (Level 3 Fair Value Measurements Using Significant Other Unobservable Inputs For Acquisition-Related Contingent Consideration (Recurring)) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                "shortName":  "Fair Value (Level 3 Fair Value Measurements Using Significant Other Unobservable Inputs For Acquisition-Related Contingent Consideration (Recurring)) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_srt_RangeAxis_srt_MinimumMember_us-gaap_MeasurementInputTypeAxis_atrc_MeasurementInputYearProjectionMember",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "atrc:ProjectedFiscalYearPayment",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R48":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2019_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40304 - Disclosure - Fair Value (Level 3 Fair Value Measurements Using Significant Other Unobservable Inputs For Acquisition-Related Contingent Consideration) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails",
                "shortName":  "Fair Value (Level 3 Fair Value Measurements Using Significant Other Unobservable Inputs For Acquisition-Related Contingent Consideration) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2017_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R49":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:GainLossOnInvestments",
                        "us-gaap:GainLossOnInvestments",
                        "span",
                        "ix:continuation",
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:GainLossOnInvestments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40401 - Disclosure - Investments (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureInvestmentsNarrativeDetails",
                "shortName":  "Investments (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:GainLossOnInvestments",
                        "us-gaap:GainLossOnInvestments",
                        "span",
                        "ix:continuation",
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:GainLossOnInvestments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R5":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2017_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:StockholdersEquity",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "00400 - Statement - Consolidated Statements of Stockholders' Equity",
                "role":  "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity",
                "shortName":  "Consolidated Statements of Stockholders' Equity",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2017_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:StockholdersEquity",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R50":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:InvestmentOwnedAtCost",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40402 - Disclosure - Investments (Summary Of Short-term Investments) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails",
                "shortName":  "Investments (Summary Of Short-term Investments) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:InvestmentOwnedAtCost",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R51":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2019_To_12_31_2019",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:PaymentsToAcquireBusinessesGross",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40501 - Disclosure - Business Combinations (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                "shortName":  "Business Combinations (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_8_13_2019_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember",
                    "decimals":  "INF",
                    "lang":  null,
                    "name":  "us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit14",
                    "xsiNil":  "false"
                    }
                },
            "R52":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_8_13_2019_To_8_13_2019_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40502 - Disclosure - Business Combinations (Schedule of Components of Aggregate Purchase Price) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails",
                "shortName":  "Business Combinations (Schedule of Components of Aggregate Purchase Price) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "atrc:ScheduleOfComponentsOfBusinessCombinationAggregatePurchasePriceTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R53":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2019",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "atrc:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40503 - Disclosure - Business Combinations (Summary Of Estimated Fair Values Of Assets Acquired And Liabilities Assumed) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails",
                "shortName":  "Business Combinations (Summary Of Estimated Fair Values Of Assets Acquired And Liabilities Assumed) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_8_13_2019_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R54":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40504 - Disclosure - Business Combinations (Valuation of Intangible Assets Acquired and Related Amortization Periods) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails",
                "shortName":  "Business Combinations (Valuation of Intangible Assets Acquired and Related Amortization Periods) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_DevelopedTechnologyRightsMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R55":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:BusinessAcquisitionProFormaInformationTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2019_To_12_31_2019_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:BusinessAcquisitionsProFormaRevenue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40505 - Disclosure - Business Combination (Pro-forma Acquisition Information) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails",
                "shortName":  "Business Combination (Pro-forma Acquisition Information) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:BusinessAcquisitionProFormaInformationTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2019_To_12_31_2019_us-gaap_BusinessAcquisitionAxis_atrc_SentreheartMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:BusinessAcquisitionsProFormaRevenue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R56":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:AmortizationOfIntangibleAssets",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40601 - Disclosure - Intangible Assets and Goodwill (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails",
                "shortName":  "Intangible Assets and Goodwill (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_srt_StatementScenarioAxis_us-gaap_ScenarioPlanMember_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_InProcessResearchAndDevelopmentMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:AmortizationOfIntangibleAssets",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R57":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsGross",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40602 - Disclosure - Intangible Assets and Goodwill (Company's Intangible Assets) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                "shortName":  "Intangible Assets and Goodwill (Company's Intangible Assets) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsGross",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R58":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40603 - Disclosure - Intangible Assets and Goodwill (Future Amortization Expense Related To Intangible Assets With Definite Lives) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails",
                "shortName":  "Intangible Assets and Goodwill (Future Amortization Expense Related To Intangible Assets With Definite Lives) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R59":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2019",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:Goodwill",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40604 - Disclosure - Intangible Assets and Goodwill (Summary Of Company's Goodwill) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillSummaryOfCompanySGoodwillDetails",
                "shortName":  "Intangible Assets and Goodwill (Summary Of Company's Goodwill) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfGoodwillTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2019_To_12_31_2019",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:GoodwillAcquiredDuringPeriod",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R6":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:NetIncomeLoss",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "00500 - Statement - Consolidated Statements of Cash Flows",
                "role":  "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows",
                "shortName":  "Consolidated Statements of Cash Flows",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensation",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R60":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:InventoryRawMaterialsNetOfReserves",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40701 - Disclosure - Inventories (Summary Of Inventories) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails",
                "shortName":  "Inventories (Summary Of Inventories) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:InventoryRawMaterialsNetOfReserves",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R61":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:Depreciation",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40801 - Disclosure - Property and Equipment (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                "shortName":  "Property and Equipment (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricGenerationEquipmentMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:Depreciation",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R62":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:PropertyPlantAndEquipmentTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:PropertyPlantAndEquipmentGross",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40802 - Disclosure - Property and Equipment (Summary Of Property And Equipment) (Details)",
                "role":  "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails",
                "shortName":  "Property and Equipment (Summary Of Property And Equipment) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:PropertyPlantAndEquipmentTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricGenerationEquipmentMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:PropertyPlantAndEquipmentGross",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R63":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:EmployeeRelatedLiabilitiesCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "40901 - Disclosure - Accrued Liabilities (Accrued Liabilities) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails",
                "shortName":  "Accrued Liabilities (Accrued Liabilities) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:EmployeeRelatedLiabilitiesCurrent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R64":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_us-gaap_DebtInstrumentAxis_atrc_SiliconValleyBankThirdAmendedAndRestatedLoanAgreementMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41001 - Disclosure - Indebtedness (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails",
                "shortName":  "Indebtedness (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_us-gaap_DebtInstrumentAxis_atrc_SiliconValleyBankThirdAmendedAndRestatedLoanAgreementMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R65":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41002 - Disclosure - Indebtedness (Future Maturities On Debt) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails",
                "shortName":  "Indebtedness (Future Maturities On Debt) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R66":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:OperatingLeaseRightOfUseAsset",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41101 - Disclosure - Leases (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                "shortName":  "Leases (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_srt_RangeAxis_srt_MinimumMember",
                    "decimals":  null,
                    "lang":  "en-US",
                    "name":  "us-gaap:LesseeOperatingLeaseRemainingLeaseTerm",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R67":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "atrc:SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41102 - Disclosure - Leases (Summary Of Weighted Average Remaining Lease Term And Discount Rate) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureLeasesSummaryOfWeightedAverageRemainingLeaseTermAndDiscountRateDetails",
                "shortName":  "Leases (Summary Of Weighted Average Remaining Lease Term And Discount Rate) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "atrc:SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R68":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:LeaseCostTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:OperatingLeaseCost",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41103 - Disclosure - Leases (Summary Of Components Of Lease Expense) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails",
                "shortName":  "Leases (Summary Of Components Of Lease Expense) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:LeaseCostTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:OperatingLeaseCost",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R69":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:OperatingLeasePayments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41104 - Disclosure - Leases (Summary Of Supplemental Cash Flow Information Related To Leases) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails",
                "shortName":  "Leases (Summary Of Supplemental Cash Flow Information Related To Leases) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:OperatingLeasePayments",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R7":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:PaymentsOfStockIssuanceCosts",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "statement",
                "isDefault":  "false",
                "longName":  "00600 - Statement - Consolidated Statements of Cash Flows (Parenthetical)",
                "role":  "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlowsParenthetical",
                "shortName":  "Consolidated Statements of Cash Flows (Parenthetical)",
                "subGroupType":  "parenthetical",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:PaymentsOfStockIssuanceCosts",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R70":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:OperatingLeaseRightOfUseAsset",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41105 - Disclosure - Leases (Summary Of Supplemental Balance Sheet Information Related To Leases) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails",
                "shortName":  "Leases (Summary Of Supplemental Balance Sheet Information Related To Leases) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "atrc:ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R71":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "atrc:OperatingAndFinanceLeaseLiabilityMaturityTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41106 - Disclosure - Leases (Schedule Of Maturities Of Lease Liabilities) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails",
                "shortName":  "Leases (Schedule Of Maturities Of Lease Liabilities) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "atrc:OperatingAndFinanceLeaseLiabilityMaturityTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R72":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:RoyaltyExpense",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41201 - Disclosure - Commitments and Contingencies (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails",
                "shortName":  "Commitments and Contingencies (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:RoyaltyExpense",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R73":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_10_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41301 - Disclosure - Revenue (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails",
                "shortName":  "Revenue (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_srt_ProductOrServiceAxis_us-gaap_ShippingAndHandlingMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R74":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41401 - Disclosure - Income Taxes (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                "shortName":  "Income Taxes (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R75":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:CurrentFederalTaxExpenseBenefit",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41402 - Disclosure - Income Taxes (Summary Of Company's Provision for Income Taxes) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails",
                "shortName":  "Income Taxes (Summary Of Company's Provision for Income Taxes) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:CurrentFederalTaxExpenseBenefit",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R76":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41403 - Disclosure - Income Taxes (Summary Of Detail Of Deferred Tax Assets And Liabilities) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails",
                "shortName":  "Income Taxes (Summary Of Detail Of Deferred Tax Assets And Liabilities) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R77":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "4",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit14",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41404 - Disclosure - Income Taxes (Summary Of Difference Between Effective Income Tax Rates And Federal Statutory Rate) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails",
                "shortName":  "Income Taxes (Summary Of Difference Between Effective Income Tax Rates And Federal Statutory Rate) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "4",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit14",
                    "xsiNil":  "false"
                    }
                },
            "R78":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2019",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:UnrecognizedTaxBenefits",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41405 - Disclosure - Income Taxes (Summary Of Reconciliation Of Change In Federal And State Unrecognized Tax Benefits) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfReconciliationOfChangeInFederalAndStateUnrecognizedTaxBenefitsDetails",
                "shortName":  "Income Taxes (Summary Of Reconciliation Of Change In Federal And State Unrecognized Tax Benefits) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R79":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  null,
                    "name":  "atrc:ConcentrationRiskNumberOfMajorCustomers",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit15",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41501 - Disclosure - Concentrations (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails",
                "shortName":  "Concentrations (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "INF",
                    "first":  true,
                    "lang":  null,
                    "name":  "atrc:ConcentrationRiskNumberOfMajorCustomers",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit15",
                    "xsiNil":  "false"
                    }
                },
            "R8":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10101 - Disclosure - Description of Business and Summary of Significant Accounting Policies",
                "role":  "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies",
                "shortName":  "Description of Business and Summary of Significant Accounting Policies",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R80":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
                        "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "2",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit14",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41601 - Disclosure - Employee Benefit Plans (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureEmployeeBenefitPlansNarrativeDetails",
                "shortName":  "Employee Benefit Plans (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
                        "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "2",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit14",
                    "xsiNil":  "false"
                    }
                },
            "R81":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41701 - Disclosure - Equity Compensation Plans (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                "shortName":  "Equity Compensation Plans (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R82":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2019_us-gaap_AwardTypeAxis_us-gaap_EmployeeStockOptionMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
                    "reportCount":  1,
                    "unitRef":  "Unit13",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41702 - Disclosure - Equity Compensation Plans (Activity Under Stock Based Compensation Plans) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                "shortName":  "Equity Compensation Plans (Activity Under Stock Based Compensation Plans) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_AwardTypeAxis_us-gaap_EmployeeStockOptionMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit13",
                    "xsiNil":  "false"
                    }
                },
            "R83":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:AllocatedShareBasedCompensationExpense",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41703 - Disclosure - Equity Compensation Plans (Share-Based Compensation Expense Related To Employee Share-Based Compensation) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails",
                "shortName":  "Equity Compensation Plans (Share-Based Compensation Expense Related To Employee Share-Based Compensation) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "ix:continuation",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_IncomeStatementLocationAxis_us-gaap_CostOfSalesMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:AllocatedShareBasedCompensationExpense",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R84":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_AwardTypeAxis_us-gaap_EmployeeStockOptionMember",
                    "decimals":  "4",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit14",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41704 - Disclosure - Equity Compensation Plans (Assumptions Used for Determining Fair Value of Options) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                "shortName":  "Equity Compensation Plans (Assumptions Used for Determining Fair Value of Options) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_AwardTypeAxis_us-gaap_EmployeeStockOptionMember",
                    "decimals":  "4",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit14",
                    "xsiNil":  "false"
                    }
                },
            "R85":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_AwardTypeAxis_us-gaap_EmployeeStockOptionMember",
                    "decimals":  "2",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit12",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41705 - Disclosure - Equity Compensation Plans (Weighted Average Estimated Grant Date Fair Value Per Share of Stock Options, Restricted Stock Granted, And Performance Awards) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails",
                "shortName":  "Equity Compensation Plans (Weighted Average Estimated Grant Date Fair Value Per Share of Stock Options, Restricted Stock Granted, And Performance Awards) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_AwardTypeAxis_us-gaap_EmployeeStockOptionMember",
                    "decimals":  "2",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit12",
                    "xsiNil":  "false"
                    }
                },
            "R86":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember_us-gaap_VestingAxis_us-gaap_ShareBasedCompensationAwardTrancheOneMember",
                    "decimals":  "2",
                    "first":  true,
                    "lang":  null,
                    "name":  "atrc:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodPriceTarget",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit12",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41707 - Disclosure - Equity Compensation Plans (Estimated Grant Date Fair Value Per Share of Performance Options Granted) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                "shortName":  "Equity Compensation Plans (Estimated Grant Date Fair Value Per Share of Performance Options Granted) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember_us-gaap_VestingAxis_us-gaap_ShareBasedCompensationAwardTrancheOneMember",
                    "decimals":  "2",
                    "first":  true,
                    "lang":  null,
                    "name":  "atrc:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodPriceTarget",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit12",
                    "xsiNil":  "false"
                    }
                },
            "R87":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_srt_StatementGeographicalAxis_srt_EuropeMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:NoncurrentAssets",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41801 - Disclosure - Segment and Geographic Information (Narrative) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationNarrativeDetails",
                "shortName":  "Segment and Geographic Information (Narrative) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2020_srt_StatementGeographicalAxis_srt_EuropeMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:NoncurrentAssets",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R88":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_10_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41802 - Disclosure - Segment and Geographic Information (Revenue By Geographic Area) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails",
                "shortName":  "Segment and Geographic Information (Revenue By Geographic Area) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  null
                },
            "R89":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_10_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41803 - Disclosure - Segment and Geographic Information (Revenue By Product Type) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails",
                "shortName":  "Segment and Geographic Information (Revenue By Product Type) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020_srt_ProductOrServiceAxis_atrc_OpenheartMember_srt_StatementGeographicalAxis_country_US",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R9":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "10201 - Disclosure - Recent Accounting Pronouncements",
                "role":  "http://www.atricure.com/role/DisclosureRecentAccountingPronouncements",
                "shortName":  "Recent Accounting Pronouncements",
                "subGroupType":  "",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "p",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_1_1_2020_To_12_31_2020",
                    "decimals":  null,
                    "first":  true,
                    "lang":  "en-US",
                    "name":  "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  null,
                    "xsiNil":  "false"
                    }
                },
            "R90":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_10_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "41901 - Disclosure - Selected Quarterly Financial Data (Schedule Of Quarterly Financial Information) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationDetails",
                "shortName":  "Selected Quarterly Financial Data (Schedule Of Quarterly Financial Information) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "Duration_10_1_2020_To_12_31_2020",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:GrossProfit",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                },
            "R91":  {
                "firstAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2019_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_SalesReturnsAndAllowancesMember",
                    "decimals":  "-3",
                    "first":  true,
                    "lang":  null,
                    "name":  "us-gaap:ValuationAllowancesAndReservesBalance",
                    "reportCount":  1,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    },
                "groupType":  "disclosure",
                "isDefault":  "false",
                "longName":  "42001 - Disclosure - Schedule II (Schedule Of Valuation And Qualifying Accounts) (Details)",
                "role":  "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails",
                "shortName":  "Schedule II (Schedule Of Valuation And Qualifying Accounts) (Details)",
                "subGroupType":  "details",
                "uniqueAnchor":  {
                    "ancestors":  [
                        "span",
                        "p",
                        "td",
                        "tr",
                        "table",
                        "div",
                        "ix:continuation",
                        "div",
                        "body",
                        "html"
                        ],
                    "baseRef":  "atrc-20201231x10k.htm",
                    "contextRef":  "As_Of_12_31_2017_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_SalesReturnsAndAllowancesMember",
                    "decimals":  "-3",
                    "lang":  null,
                    "name":  "us-gaap:ValuationAllowancesAndReservesBalance",
                    "reportCount":  1,
                    "unique":  true,
                    "unitRef":  "Unit1",
                    "xsiNil":  "false"
                    }
                }
            },
        "segmentCount":  101,
        "tag":  {
            "atrc_AblationAndAppendageManagementMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Ablation And Appendage Management [Member]",
                            "label":  "Ablation And Appendage Management [Member]",
                            "terseLabel":  "Ablation And Appendage Management [Member]"
                            }
                        }
                    },
                "localname":  "AblationAndAppendageManagementMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_AccruedSettlementCurrent":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accrued Settlement Current",
                            "label":  "Accrued Settlement Current",
                            "terseLabel":  "Accrued settlement"
                            }
                        }
                    },
                "localname":  "AccruedSettlementCurrent",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_AchievementOfInterimSuccessMilestoneMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Achievement Of Interim Success Milestone [Member]",
                            "label":  "Achievement Of Interim Success Milestone [Member]",
                            "terseLabel":  "Achievement Of Interim Success Milestone [Member]"
                            }
                        }
                    },
                "localname":  "AchievementOfInterimSuccessMilestoneMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_AdjustmentForNetWorkingCapitalBalancesOutsideOfSpecifiedRange":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Adjustment For Net Working Capital Balances Outside Of Specified Range",
                            "label":  "Adjustment For Net Working Capital Balances Outside Of Specified Range",
                            "terseLabel":  "Adjustment for net working capital balances outside of specified range"
                            }
                        }
                    },
                "localname":  "AdjustmentForNetWorkingCapitalBalancesOutsideOfSpecifiedRange",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_AmericanMedicalAssociationApprovalMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "American Medical Association Approval [Member]",
                            "label":  "American Medical Association Approval [Member]",
                            "terseLabel":  "American Medical Association Approval [Member]"
                            }
                        }
                    },
                "localname":  "AmericanMedicalAssociationApprovalMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_AppendageManagementMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Appendage Management [Member]",
                            "label":  "Appendage Management [Member]",
                            "terseLabel":  "Appendage Management [Member]"
                            }
                        }
                    },
                "localname":  "AppendageManagementMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_BusinessAcquisitionContingentConsideration":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Future cash outflow to acquiree shareholders related to the achievement of agreed-upon revenue goals.",
                            "label":  "Business Acquisition Contingent Consideration",
                            "terseLabel":  "Contingent consideration in business combinations"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionContingentConsideration",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_BusinessAcquisitionProFormaInformationLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition Pro Forma Information [Line Items]",
                            "label":  "Business Acquisition Pro Forma Information [Line Items]",
                            "terseLabel":  "Business Acquisition Pro Forma Information [Line Items]"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionProFormaInformationLineItems",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "atrc_BusinessAcquisitionProFormaInformationTable":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition Pro Forma Information [Table]",
                            "label":  "Business Acquisition Pro Forma Information [Table]",
                            "terseLabel":  "Business Acquisition Pro Forma Information [Table]"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionProFormaInformationTable",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "atrc_BusinessAcquisitionProformaBasicAndDilutedEarningsPerShare":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Acquisition Proforma Basic And Diluted Earnings Per Share",
                            "label":  "Business Acquisition Proforma Basic And Diluted Earnings Per Share",
                            "terseLabel":  "Basic and diluted net loss per share"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionProformaBasicAndDilutedEarningsPerShare",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "atrc_BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Contingent Consideration Arrangements, Maximum Shares That Can Be Issued After Closing",
                            "label":  "Business Combination, Contingent Consideration Arrangements, Maximum Shares That Can Be Issued After Closing",
                            "terseLabel":  "Total shares that may be issued"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "atrc_BusinessCombinationContingentConsiderationArrangementsSharesIssuedAtClosing":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Contingent Consideration Arrangements, Shares Issued At Closing",
                            "label":  "Business Combination, Contingent Consideration Arrangements, Shares Issued At Closing",
                            "terseLabel":  "Shares issued at closing"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationArrangementsSharesIssuedAtClosing",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "atrc_BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Contingent Consideration, Liability, Measurement Input, Percent",
                            "label":  "Business Combination, Contingent Consideration, Liability, Measurement Input, Percent",
                            "terseLabel":  "Contingent consideration, measurement input"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "atrc_BusinessCombinationFairValueContingentConsiderationLiability":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationScheduleOfComponentsOfAggregatePurchasePriceDetails1":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination, Fair Value, Contingent Consideration, Liability",
                            "label":  "Business Combination, Fair Value, Contingent Consideration, Liability",
                            "terseLabel":  "Fair value of contingent consideration liabilities",
                            "verboseLabel":  "Fair value of contingent consideration liabilities"
                            }
                        }
                    },
                "localname":  "BusinessCombinationFairValueContingentConsiderationLiability",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiability":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of operating lease liabilities assumed (as defined) which have been recognized as of the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liability",
                            "terseLabel":  "Operating lease liability"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiability",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of operating lease right-of-use assets (as defined) recognized as of the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Right-Of-Use Asset",
                            "terseLabel":  "Operating lease right-of-use asset",
                            "verboseLabel":  "Operating lease right-of-use asset obtained in business combination"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets",
                            "label":  "Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets",
                            "terseLabel":  "Other assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_BusinessCombinationTransactionsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination Transactions [Line Items]",
                            "label":  "Business Combination Transactions [Line Items]",
                            "terseLabel":  "Business Combination Transactions [Line Items]"
                            }
                        }
                    },
                "localname":  "BusinessCombinationTransactionsLineItems",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "atrc_BusinessCombinationTransactionsTable":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Business Combination Transactions [Table]",
                            "label":  "Business Combination Transactions [Table]",
                            "terseLabel":  "Business Combination Transactions [Table]"
                            }
                        }
                    },
                "localname":  "BusinessCombinationTransactionsTable",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "atrc_CapitalLeaseAssetEarlyTermination":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Capital lease asset early termination.",
                            "label":  "Capital Lease Asset Early Termination",
                            "negatedLabel":  "Finance lease early termination"
                            }
                        }
                    },
                "localname":  "CapitalLeaseAssetEarlyTermination",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Change In Levels Or Methodology Of Measurement Of Financial Assets And Liabilities",
                            "label":  "Change In Levels Or Methodology Of Measurement Of Financial Assets And Liabilities",
                            "terseLabel":  "Changes in levels or methodology"
                            }
                        }
                    },
                "localname":  "ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_CommitmentsAndContingenciesLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Commitments And Contingencies [Line Items]",
                            "label":  "Commitments And Contingencies [Line Items]",
                            "terseLabel":  "Commitments and Contingencies [Line Items]"
                            }
                        }
                    },
                "localname":  "CommitmentsAndContingenciesLineItems",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "atrc_CommitmentsAndContingenciesTable":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Commitments and Contingencies [Table]",
                            "label":  "Commitments And Contingencies [Table]",
                            "terseLabel":  "Commitments And Contingencies [Table]"
                            }
                        }
                    },
                "localname":  "CommitmentsAndContingenciesTable",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "atrc_CompletionOfConvergeIdeTrialAndReceivingPmaFromFdaMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Completion Of CONVERGE IDE Trial And Receiving A PMA From FDA [Member]",
                            "label":  "Completion Of Converge Ide Trial And Receiving Pma From Fda [Member]",
                            "terseLabel":  "Completion Of CONVERGE IDE Trial And Receiving A PMA From FDA [Member]"
                            }
                        }
                    },
                "localname":  "CompletionOfConvergeIdeTrialAndReceivingPmaFromFdaMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_ComputerAndOtherOfficeEquipmentMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Computer and other office equipment.",
                            "label":  "Computer And Other Office Equipment [Member]",
                            "terseLabel":  "Computer and Other Office Equipment [Member]"
                            }
                        }
                    },
                "localname":  "ComputerAndOtherOfficeEquipmentMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_ConcentrationRiskNumberOfMajorCustomers":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Concentration Risk Number Of Major Customers",
                            "label":  "Concentration Risk Number Of Major Customers",
                            "terseLabel":  "Number of customers"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskNumberOfMajorCustomers",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "integerItemType"
                },
            "atrc_ConsecutivePeriodToBeConsideredForVolumeAdjustedWeightedAverageClosingPriceUnderVestingCondition":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Consecutive period to be considered for volume adjusted weighted average closing price under vesting condition.",
                            "label":  "Consecutive Period To Be Considered For Volume Adjusted Weighted Average Closing Price Under Vesting Condition",
                            "terseLabel":  "Period of considering closing price of common stock"
                            }
                        }
                    },
                "localname":  "ConsecutivePeriodToBeConsideredForVolumeAdjustedWeightedAverageClosingPriceUnderVestingCondition",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "atrc_DateOfCommencementOfTermLoanPrincipalPayments":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Date Of Commencement Of Term Loan Principal Payments",
                            "label":  "Date Of Commencement Of Term Loan Principal Payments",
                            "terseLabel":  "Term loan principal payment start date"
                            }
                        }
                    },
                "localname":  "DateOfCommencementOfTermLoanPrincipalPayments",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "dateItemType"
                },
            "atrc_DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from finance and operating lease liability.",
                            "label":  "Deferred Tax Assets, Finance And Operating Lease Liabilities",
                            "terseLabel":  "Finance and operating lease liabilities"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_DeferredTaxAssetsOperatingLossCarryforwardsFederalAndState":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible federal and state operating loss carryforwards.",
                            "label":  "Deferred Tax Assets, Operating Loss Carryforwards, Federal And State",
                            "terseLabel":  "Federal and state net operating loss carryforwards"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsOperatingLossCarryforwardsFederalAndState",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_DeferredTaxLiabilitiesRightOfUseAssets":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from right-of-use assets.",
                            "label":  "Deferred Tax Liabilities, Right-Of-Use Assets",
                            "negatedLabel":  "Right-of-use assets"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesRightOfUseAssets",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_DefinedContributionPlanEmployerMatchingContribution":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Defined contribution plan employer matching contribution.",
                            "label":  "Defined Contribution Plan Employer Matching Contribution",
                            "terseLabel":  "Company's matching contribution"
                            }
                        }
                    },
                "localname":  "DefinedContributionPlanEmployerMatchingContribution",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEmployeeBenefitPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_DocumentAndEntityInformationAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Document and Entity Information [Abstract]",
                            "label":  "Document And Entity Information [Abstract]"
                            }
                        }
                    },
                "localname":  "DocumentAndEntityInformationAbstract",
                "nsuri":  "http://www.atricure.com/20201231",
                "xbrltype":  "stringItemType"
                },
            "atrc_EffectiveIncomeTaxRateReconciliationDeferredAdjustmentAmount":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deferred adjustments.  Including, but not limited to, extraterritorial income exclusion deduction, qualified production activity deduction, dividend deduction, deduction for dividend paid to employee stock ownership plan, Medicare prescription drug benefit subsidy deduction, and other deductions.",
                            "label":  "Effective Income Tax Rate Reconciliation, Deferred Adjustment, Amount",
                            "terseLabel":  "Federal deferred adjustment"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationDeferredAdjustmentAmount",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_EffectiveIncomeTaxRateReconciliationDeferredAdjustmentPercent":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deferred adjustments.  Including, but not limited to, extraterritorial income exclusion deduction, qualified production activity deduction, dividend deduction, deduction for dividend paid to employee stock ownership plan, Medicare prescription drug benefit subsidy deduction, and other deductions.",
                            "label":  "Effective Income Tax Rate Reconciliation, Deferred Adjustment, Percent",
                            "terseLabel":  "Federal deferred adjustment"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationDeferredAdjustmentPercent",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "atrc_EffectiveIncomeTaxRateReconciliationFederalAndForeignIncomeTaxRateDifferentialPercent":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) in and outside of the country of domicile.",
                            "label":  "Effective Income Tax Rate Reconciliation, Federal And Foreign Income Tax Rate Differential, Percent",
                            "terseLabel":  "Federal and Foreign tax rate change"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationFederalAndForeignIncomeTaxRateDifferentialPercent",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "atrc_EffectiveIncomeTaxRateReconciliationFederalForeignIncomeTaxRateDifferentialAmount":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to federal and foreign income tax expense (benefit).",
                            "label":  "Effective Income Tax Rate Reconciliation, Federal Foreign Income Tax Rate Differential, Amount",
                            "terseLabel":  "Federal and Foreign tax rate change"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationFederalForeignIncomeTaxRateDifferentialAmount",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_EmployeeStockPurchasePlanOfferPeriod":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Employee stock purchase plan offer period.",
                            "label":  "Employee Stock Purchase Plan Offer Period",
                            "terseLabel":  "Offering period"
                            }
                        }
                    },
                "localname":  "EmployeeStockPurchasePlanOfferPeriod",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "atrc_EquipmentUnderFinanceLeasesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Equipment Under Finance Leases [Member]",
                            "label":  "Equipment Under Finance Leases [Member]",
                            "terseLabel":  "Equipment Under Finance Leases [Member]"
                            }
                        }
                    },
                "localname":  "EquipmentUnderFinanceLeasesMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_EsppMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Employee Stock Purchase Plan [Member]",
                            "label":  "Espp [Member]",
                            "terseLabel":  "ESPP [Member]"
                            }
                        }
                    },
                "localname":  "EsppMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_ExercisablePeriodBeginning":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Exercisable period beginning.",
                            "label":  "Exercisable Period Beginning",
                            "terseLabel":  "Exercisable period beginning"
                            }
                        }
                    },
                "localname":  "ExercisablePeriodBeginning",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "atrc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAmountsAcquiredDuringAcquisitionRelatedContingentConsideration":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Amounts Acquired During Acquisition-Related Contingent Consideration",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Amounts Acquired During Acquisition-Related Contingent Consideration",
                            "terseLabel":  "Amounts acquired"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAmountsAcquiredDuringAcquisitionRelatedContingentConsideration",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_FederalResearchAndDevelopmentCreditCarryforwardExpirationBeginningYear":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Federal research and development credit carryforward expiration beginning year.",
                            "label":  "Federal Research And Development Credit Carryforward Expiration Beginning Year",
                            "terseLabel":  "Research and development credit credit carryforwards expiration year"
                            }
                        }
                    },
                "localname":  "FederalResearchAndDevelopmentCreditCarryforwardExpirationBeginningYear",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "gYearItemType"
                },
            "atrc_FirstAnniversaryDateOfGrantMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "First Anniversary Date Of Grant [Member]",
                            "label":  "First Anniversary Date Of Grant [Member]",
                            "terseLabel":  "First Anniversary Date Of Grant [Member]"
                            }
                        }
                    },
                "localname":  "FirstAnniversaryDateOfGrantMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_FirstSecondAndThirdAnniversariesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "First, Second, And Third Anniversaries [Member]",
                            "label":  "First Second And Third Anniversaries [Member]",
                            "terseLabel":  "First, Second, And Third Anniversaries [Member]"
                            }
                        }
                    },
                "localname":  "FirstSecondAndThirdAnniversariesMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_FormerNcontactStockholdersMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Former nContact Stockholders [Member]",
                            "label":  "Former Ncontact Stockholders [Member]",
                            "terseLabel":  "Former nContact Stockholders [Member]"
                            }
                        }
                    },
                "localname":  "FormerNcontactStockholdersMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_FusionTechnologyMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fusion Technology [Member]",
                            "label":  "Fusion Technology [Member]",
                            "terseLabel":  "Technology [Member]"
                            }
                        }
                    },
                "localname":  "FusionTechnologyMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_GrowthRateEntitlement":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Growth rate entitlement",
                            "label":  "Growth rate entitlement",
                            "terseLabel":  "Entitled sales-based contingent consideration on revenue in excess of annual growth through 2019"
                            }
                        }
                    },
                "localname":  "GrowthRateEntitlement",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "atrc_LineOfCreditFacilityTermLoanPaymentExtendablePeriod":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line Of Credit Facility, Term Loan Payment Extendable Period",
                            "label":  "Line Of Credit Facility, Term Loan Payment Extendable Period",
                            "terseLabel":  "Upon certain conditions met, deferred loan payment period"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityTermLoanPaymentExtendablePeriod",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "atrc_MachineryEquipmentAndVehiclesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Machinery equipment and vehicles.",
                            "label":  "Machinery Equipment And Vehicles [Member]",
                            "terseLabel":  "Machinery, Equipment and Vehicles [Member]"
                            }
                        }
                    },
                "localname":  "MachineryEquipmentAndVehiclesMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_MasonLeaseMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Mason lease.",
                            "label":  "Mason Lease [Member]",
                            "terseLabel":  "Mason Lease [Member]"
                            }
                        }
                    },
                "localname":  "MasonLeaseMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_MeasurementInputProbabiltyOfPaymentMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Measurement Input, Probabilty Of Payment [Member]",
                            "label":  "Measurement Input Probabilty Of Payment [Member]",
                            "terseLabel":  "Measurement Input, Probabilty Of Payment [Member]"
                            }
                        }
                    },
                "localname":  "MeasurementInputProbabiltyOfPaymentMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_MeasurementInputYearProjectionMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Measurement Input, Year Projection [Member]",
                            "label":  "Measurement Input Year Projection [Member]",
                            "terseLabel":  "Measurement Input, Year Projection [Member]"
                            }
                        }
                    },
                "localname":  "MeasurementInputYearProjectionMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_MinimallyInvasiveMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Minimally invasive.",
                            "label":  "Minimally Invasive [Member]",
                            "terseLabel":  "Minimally Invasive Ablation [Member]"
                            }
                        }
                    },
                "localname":  "MinimallyInvasiveMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_NcontactSurgicalMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "nContact Surgical [Member]",
                            "label":  "Ncontact Surgical [Member]",
                            "terseLabel":  "nContact Surgical [Member]"
                            }
                        }
                    },
                "localname":  "NcontactSurgicalMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_OpenheartMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Open heart.",
                            "label":  "Openheart [Member]",
                            "terseLabel":  "Open Ablation [Member]"
                            }
                        }
                    },
                "localname":  "OpenheartMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_OperatingAndFinanceLeaseLiabilityMaturityTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Operating And Finance Lease, Liability, Maturity [Table Text Block]",
                            "label":  "Operating And Finance Lease, Liability, Maturity [Table Text Block]",
                            "terseLabel":  "Schedule Of Maturities Of Lease Liabilities"
                            }
                        }
                    },
                "localname":  "OperatingAndFinanceLeaseLiabilityMaturityTableTextBlock",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "atrc_OperatingLossCarryforwardExpirationYear":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Operating Loss Carryforward, Expiration Year",
                            "label":  "Operating Loss Carryforward, Expiration Year",
                            "verboseLabel":  "Operating loss carryforward, expiration year"
                            }
                        }
                    },
                "localname":  "OperatingLossCarryforwardExpirationYear",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "gYearItemType"
                },
            "atrc_OtherIncomePolicyTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for and components of other income.",
                            "label":  "Other Income Policy [Text Block]",
                            "terseLabel":  "Other Income (Expense)"
                            }
                        }
                    },
                "localname":  "OtherIncomePolicyTextBlock",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "atrc_OtherInternationalMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Other International",
                            "label":  "Other International [Member]",
                            "terseLabel":  "Other International [Member]"
                            }
                        }
                    },
                "localname":  "OtherInternationalMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_OtherNoncurrentLiabilitiesPolicyTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Other Noncurrent Liabilities [Policy Text Block]",
                            "label":  "Other Noncurrent Liabilities [Policy Text Block]",
                            "terseLabel":  "Contingent Consideration and Other Noncurrent Liabilities"
                            }
                        }
                    },
                "localname":  "OtherNoncurrentLiabilitiesPolicyTextBlock",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "atrc_PatientEnrollmentInConvergeIdeTrialMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Patient Enrollment In Converge IDE Trial [Member]",
                            "label":  "Patient Enrollment In Converge Ide Trial [Member]",
                            "terseLabel":  "Patient Enrollment In Converge IDE Trial [Member]"
                            }
                        }
                    },
                "localname":  "PatientEnrollmentInConvergeIdeTrialMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_PaymentsOfContingentConsideration":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Payments of contingent consideration.",
                            "label":  "Payments Of Contingent Consideration",
                            "terseLabel":  "Payments of contingent consideration"
                            }
                        }
                    },
                "localname":  "PaymentsOfContingentConsideration",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_PerformanceStockAwardThresholdTargetAndMaximumPayoutOpportunityPercentage":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Performance stock award threshold, target and maximum payout opportunity percentage.",
                            "label":  "Performance Stock Award Threshold, Target And Maximum Payout Opportunity Percentage",
                            "terseLabel":  "Performance stock award threshold, target and maximum payout opportunity percentage"
                            }
                        }
                    },
                "localname":  "PerformanceStockAwardThresholdTargetAndMaximumPayoutOpportunityPercentage",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "atrc_PerformanceStockAwardsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Performance Stock Awards [Member]",
                            "label":  "Performance Stock Awards [Member]",
                            "terseLabel":  "Performance Share Awards [Member]"
                            }
                        }
                    },
                "localname":  "PerformanceStockAwardsMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_PotentialContingentConsiderationReductionPercentage":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Potential contingent consideration reduction, percentage.",
                            "label":  "Potential Contingent Consideration Reduction, Percentage",
                            "terseLabel":  "Potential contingent consideration reduction, percentage"
                            }
                        }
                    },
                "localname":  "PotentialContingentConsiderationReductionPercentage",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "atrc_PresidentAndCeoMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "President And CEO [Member]",
                            "label":  "President And Ceo [Member]",
                            "terseLabel":  "President And CEO [Member]"
                            }
                        }
                    },
                "localname":  "PresidentAndCeoMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_ProceedsFromCapitalGrant":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Proceeds from capital grant.",
                            "label":  "Proceeds From Capital Grant",
                            "terseLabel":  "Proceeds from capital grant"
                            }
                        }
                    },
                "localname":  "ProceedsFromCapitalGrant",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_ProceedsFromEconomicIncentiveLoan":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Proceeds From Economic Incentive Loan",
                            "label":  "Proceeds From Economic Incentive Loan",
                            "terseLabel":  "Proceeds from economic incentive loan"
                            }
                        }
                    },
                "localname":  "ProceedsFromEconomicIncentiveLoan",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_ProjectedFiscalYearPayment":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Projected Fiscal Year Payment",
                            "label":  "Projected Fiscal Year Payment",
                            "terseLabel":  "Projected fiscal year of payment"
                            }
                        }
                    },
                "localname":  "ProjectedFiscalYearPayment",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "atrc_ReceivingPmaFromFdaForLariatSystemMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Receiving PMA From FDA For LARIAT System [Member]",
                            "label":  "Receiving Pma From Fda For Lariat System [Member]",
                            "terseLabel":  "Receiving PMA From FDA For LARIAT System [Member]"
                            }
                        }
                    },
                "localname":  "ReceivingPmaFromFdaForLariatSystemMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_RepaymentsOfDebtAndFinanceLeaseObligation":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow for deb and finance lease obligation.",
                            "label":  "Repayments Of Debt And Finance Lease Obligation",
                            "negatedLabel":  "Payments of debt and leases"
                            }
                        }
                    },
                "localname":  "RepaymentsOfDebtAndFinanceLeaseObligation",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_RestrictedStockAwardsTimeBasedStockOptionsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Restricted Stock Awards & Time-Based Stock Options [Member]",
                            "label":  "Restricted Stock Awards Time Based Stock Options [Member]",
                            "terseLabel":  "Restricted Stock Awards & Time-Based Stock Options [Member]"
                            }
                        }
                    },
                "localname":  "RestrictedStockAwardsTimeBasedStockOptionsMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_RoyaltyAgreementTerm":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Royalty agreement term.",
                            "label":  "Royalty Agreement Term",
                            "terseLabel":  "Royalty agreement term"
                            }
                        }
                    },
                "localname":  "RoyaltyAgreementTerm",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "gYearItemType"
                },
            "atrc_RoyaltyRate":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Royalty rate.",
                            "label":  "Royalty Rate",
                            "terseLabel":  "Royalty rates"
                            }
                        }
                    },
                "localname":  "RoyaltyRate",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "atrc_SalesReturnsAllowanceTrade":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sales returns allowance trade.",
                            "label":  "Sales Returns Allowance Trade",
                            "terseLabel":  "Sales returns and allowances"
                            }
                        }
                    },
                "localname":  "SalesReturnsAllowanceTrade",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_SalesReturnsAndAllowancesPolicyTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sales Returns And Allowances [Policy Text Block]",
                            "label":  "Sales Returns And Allowances [Policy Text Block]",
                            "terseLabel":  "Sales Returns and Allowances"
                            }
                        }
                    },
                "localname":  "SalesReturnsAndAllowancesPolicyTextBlock",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "atrc_ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of Balance Sheet, Supplemental Disclosures [Table Text Block]",
                            "label":  "Schedule of Balance Sheet, Supplemental Disclosures [Table Text Block]",
                            "terseLabel":  "Summary Of Supplemental Balance Sheet Information Related To Leases"
                            }
                        }
                    },
                "localname":  "ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "atrc_ScheduleOfComponentsOfBusinessCombinationAggregatePurchasePriceTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule Of Components Of Business Combination Aggregate Purchase Price [Table Text Block]",
                            "label":  "Schedule Of Components Of Business Combination Aggregate Purchase Price [Table Text Block]",
                            "terseLabel":  "Schedule of Components of Aggregate Purchase Price"
                            }
                        }
                    },
                "localname":  "ScheduleOfComponentsOfBusinessCombinationAggregatePurchasePriceTableTextBlock",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "atrc_SentreheartMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "SentreHEART [Member]",
                            "label":  "Sentreheart [Member]",
                            "terseLabel":  "SentreHEART [Member]"
                            }
                        }
                    },
                "localname":  "SentreheartMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriod":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share based compensation arrangement by share based payment award equity instruments other than options released in period.",
                            "label":  "Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Released In Period",
                            "negatedLabel":  "Released, Number of Shares Outstanding"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriod",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share based compensation arrangement by share based payment award equity instruments other than options released weighted average grant date fair value.",
                            "label":  "Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Released Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Released, Weighted Average Grant Date Fair Value"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedWeightedAverageGrantDateFairValue",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumValuePerEmployee":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share based compensation arrangement by share based payment award maximum value per employee.",
                            "label":  "Share Based Compensation Arrangement By Share Based Payment Award Maximum Value Per Employee",
                            "terseLabel":  "Participants purchase limit value"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumValuePerEmployee",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodPriceTarget":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share based compensation arrangement by share based payment award options grants in period price target.",
                            "label":  "Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Price Target",
                            "terseLabel":  "Price by which volume adjusted weighted average closing price exceeds under vesting condition",
                            "verboseLabel":  "Price Target"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodPriceTarget",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingIncrementalShares":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share based compensation arrangement by share based payment award vesting incremental shares.",
                            "label":  "Share Based Compensation Arrangement By Share Based Payment Award Vesting Incremental Shares",
                            "terseLabel":  "Number of shares options vest in"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingIncrementalShares",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "atrc_ShareSettledPortionOfContingentConsideration":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-settled portion of contingent consideration.",
                            "label":  "Share-settled Portion Of Contingent Consideration",
                            "terseLabel":  "Share-settled portion of contingent consideration"
                            }
                        }
                    },
                "localname":  "ShareSettledPortionOfContingentConsideration",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_SiliconValleyBankThirdAmendedAndRestatedLoanAgreementMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Silicon Valley Bank, Third Amended And Restated Loan Agreement [Member]",
                            "label":  "Silicon Valley Bank Third Amended And Restated Loan Agreement [Member]",
                            "terseLabel":  "Silicon Valley Bank, Amended And Restated Loan Agreement Effective 2/23/18 [Member]"
                            }
                        }
                    },
                "localname":  "SiliconValleyBankThirdAmendedAndRestatedLoanAgreementMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_StockIssuedDuringPeriodSharesSettlementOfContingentConsideration":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares of stock issued attributable to settlement of contingent consideration.",
                            "label":  "Stock Issued During Period, Shares, Settlement Of Contingent Consideration",
                            "terseLabel":  "Issuance of common stock for settlement of contingent consideration, Shares"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesSettlementOfContingentConsideration",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "atrc_StockIssuedDuringPeriodValueSettlementOfContingentConsideration":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Value of shares of stock issued attributable to settlement of contingent consideration.",
                            "label":  "Stock Issued During Period, Value, Settlement Of Contingent Consideration",
                            "terseLabel":  "Issuance of common stock for settlement of contingent consideration"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueSettlementOfContingentConsideration",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_StockOptionsAndRestrictedStockMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Stock Options And Restricted Stock [Member]",
                            "label":  "Stock Options And Restricted Stock [Member]",
                            "terseLabel":  "Stock Options And Restricted Stock [Member]"
                            }
                        }
                    },
                "localname":  "StockOptionsAndRestrictedStockMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_StockOptionsRsaSAndRsuSMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Stock Options, RSA's, and RSU's [Member]",
                            "label":  "Stock Options Rsa S And Rsu S [Member]",
                            "terseLabel":  "Stock Options, RSA's, and RSU's [Member]"
                            }
                        }
                    },
                "localname":  "StockOptionsRsaSAndRsuSMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Summary Of Weighted Average Remaining Lease Term And Incremental Borrowing Rates [Table Text Block]",
                            "label":  "Summary Of Weighted Average Remaining Lease Term And Incremental Borrowing Rates [Table Text Block]",
                            "terseLabel":  "Summary Of Weighted Average Remaining Lease Term And Discount Rate"
                            }
                        }
                    },
                "localname":  "SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "atrc_TaxYear2021And2038Member":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tax Year 2021 And 2038 [Member]",
                            "label":  "Tax Year2021 And2038 [Member]",
                            "terseLabel":  "Tax Year 2021 And 2038 [Member]"
                            }
                        }
                    },
                "localname":  "TaxYear2021And2038Member",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TrancheEightMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tranche eight.",
                            "label":  "Tranche Eight [Member]",
                            "terseLabel":  "Tranche 8 [Member]"
                            }
                        }
                    },
                "localname":  "TrancheEightMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TrancheFiveMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tranche five.",
                            "label":  "Tranche Five [Member]",
                            "terseLabel":  "Tranche 5 [Member]"
                            }
                        }
                    },
                "localname":  "TrancheFiveMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TrancheFourMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tranche four.",
                            "label":  "Tranche Four [Member]",
                            "terseLabel":  "Tranche 4 [Member]"
                            }
                        }
                    },
                "localname":  "TrancheFourMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TrancheNineMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tranche nine.",
                            "label":  "Tranche Nine [Member]",
                            "terseLabel":  "Tranche 9 [Member]"
                            }
                        }
                    },
                "localname":  "TrancheNineMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TrancheSevenMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tranche seven.",
                            "label":  "Tranche Seven [Member]",
                            "terseLabel":  "Tranche 7 [Member]"
                            }
                        }
                    },
                "localname":  "TrancheSevenMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TrancheSixMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tranche six.",
                            "label":  "Tranche Six [Member]",
                            "terseLabel":  "Tranche 6 [Member]"
                            }
                        }
                    },
                "localname":  "TrancheSixMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TwoThousandEightEmployeeStockPurchasePlanMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Two Thousand Eight Employee Stock Purchase Plan [Member]",
                            "label":  "Two Thousand Eight Employee Stock Purchase Plan [Member]",
                            "terseLabel":  "2008 Employee Stock Purchase Plan [Member]"
                            }
                        }
                    },
                "localname":  "TwoThousandEightEmployeeStockPurchasePlanMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TwoThousandEighteenPsasMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Two Thousand Eighteen PSAs [Member]",
                            "label":  "Two Thousand Eighteen Psas [Member]",
                            "terseLabel":  "2018 PSAs [Member]"
                            }
                        }
                    },
                "localname":  "TwoThousandEighteenPsasMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_TwoThousandFourteenPlanMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Two Thousand Fourteen Plan [Member]",
                            "label":  "Two Thousand Fourteen Plan [Member]",
                            "terseLabel":  "2014 Plan [Member]"
                            }
                        }
                    },
                "localname":  "TwoThousandFourteenPlanMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "atrc_UnrecognizedTaxBenefitsIncreasesOrDecreaseResultingFromCurrentPeriodTaxPositions":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Unrecognized Tax Benefits Increases Or Decrease Resulting From Current Period Tax Positions",
                            "label":  "Unrecognized Tax Benefits Increases Or Decrease Resulting From Current Period Tax Positions",
                            "terseLabel":  "Increases (decreases) for current year tax positions"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsIncreasesOrDecreaseResultingFromCurrentPeriodTaxPositions",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfReconciliationOfChangeInFederalAndStateUnrecognizedTaxBenefitsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_UnrecognizedTaxBenefitsIncreasesOrDecreasesRelatedToSettlements":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Unrecognized tax benefits increases or (decreases) related to settlements.",
                            "label":  "Unrecognized Tax Benefits Increases Or Decreases Related To Settlements",
                            "terseLabel":  "Increases (decreases) related to settlements"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsIncreasesOrDecreasesRelatedToSettlements",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfReconciliationOfChangeInFederalAndStateUnrecognizedTaxBenefitsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Unrecognized Tax Benefits That Would Result In Adjustment To Other Tax Accounts",
                            "label":  "Unrecognized Tax Benefits That Would Result In Adjustment To Other Tax Accounts",
                            "terseLabel":  "Unrecognized tax benefits that would result in adjustments to other tax accounts"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "atrc_ValveMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Valve",
                            "label":  "Valve [Member]",
                            "terseLabel":  "Valve Tools [Member]"
                            }
                        }
                    },
                "localname":  "ValveMember",
                "nsuri":  "http://www.atricure.com/20201231",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "country_US":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "U [S]",
                            "terseLabel":  "United States [Member]"
                            }
                        }
                    },
                "localname":  "US",
                "nsuri":  "http://xbrl.sec.gov/country/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "dei_AmendmentFlag":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
                            "label":  "Amendment Flag",
                            "terseLabel":  "Amendment Flag"
                            }
                        }
                    },
                "localname":  "AmendmentFlag",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_CityAreaCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Area code of city",
                            "label":  "City Area Code"
                            }
                        }
                    },
                "localname":  "CityAreaCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_CurrentFiscalYearEndDate":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "End date of current fiscal year in the format --MM-DD.",
                            "label":  "Current Fiscal Year End Date",
                            "terseLabel":  "Current Fiscal Year End Date"
                            }
                        }
                    },
                "localname":  "CurrentFiscalYearEndDate",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "gMonthDayItemType"
                },
            "dei_DocumentAnnualReport":  {
                "auth_ref":  [
                    "r642",
                    "r643",
                    "r644"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true only for a form used as an annual report.",
                            "label":  "Document Annual Report"
                            }
                        }
                    },
                "localname":  "DocumentAnnualReport",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_DocumentFiscalPeriodFocus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
                            "label":  "Document Fiscal Period Focus",
                            "terseLabel":  "Document Fiscal Period Focus"
                            }
                        }
                    },
                "localname":  "DocumentFiscalPeriodFocus",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "fiscalPeriodItemType"
                },
            "dei_DocumentFiscalYearFocus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This is focus fiscal year of the document report in YYYY format.  For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus.  Example: 2006.",
                            "label":  "Document Fiscal Year Focus",
                            "terseLabel":  "Document Fiscal Year Focus"
                            }
                        }
                    },
                "localname":  "DocumentFiscalYearFocus",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "gYearItemType"
                },
            "dei_DocumentPeriodEndDate":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The end date of the period reflected on the cover page if a periodic report.  For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date.  The format of the date is YYYY-MM-DD.",
                            "label":  "Document Period End Date",
                            "terseLabel":  "Document Period End Date"
                            }
                        }
                    },
                "localname":  "DocumentPeriodEndDate",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "dateItemType"
                },
            "dei_DocumentTransitionReport":  {
                "auth_ref":  [
                    "r645"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true only for a form used as a transition report.",
                            "label":  "Document Transition Report"
                            }
                        }
                    },
                "localname":  "DocumentTransitionReport",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_DocumentType":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc).  The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
                            "label":  "Document Type",
                            "terseLabel":  "Document Type"
                            }
                        }
                    },
                "localname":  "DocumentType",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "submissionTypeItemType"
                },
            "dei_DocumentsIncorporatedByReferenceTextBlock":  {
                "auth_ref":  [
                    "r640"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Documents incorporated by reference.",
                            "label":  "Documents Incorporated By Reference"
                            }
                        }
                    },
                "localname":  "DocumentsIncorporatedByReferenceTextBlock",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "dei_EntityAddressAddressLine1":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Address Line 1 such as Attn, Building Name, Street Name",
                            "label":  "Entity Address, Address Line One"
                            }
                        }
                    },
                "localname":  "EntityAddressAddressLine1",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressCityOrTown":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Name of the City or Town",
                            "label":  "Entity Address, City or Town"
                            }
                        }
                    },
                "localname":  "EntityAddressCityOrTown",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressPostalZipCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Code for the postal or zip code",
                            "label":  "Entity Address, Postal Zip Code"
                            }
                        }
                    },
                "localname":  "EntityAddressPostalZipCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityAddressStateOrProvince":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Name of the state or province.",
                            "label":  "Entity Address, State or Province"
                            }
                        }
                    },
                "localname":  "EntityAddressStateOrProvince",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "stateOrProvinceItemType"
                },
            "dei_EntityCentralIndexKey":  {
                "auth_ref":  [
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC.  It is commonly abbreviated as CIK.",
                            "label":  "Entity Central Index Key",
                            "terseLabel":  "Entity Central Index Key"
                            }
                        }
                    },
                "localname":  "EntityCentralIndexKey",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "centralIndexKeyItemType"
                },
            "dei_EntityCommonStockSharesOutstanding":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report.  Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
                            "label":  "Entity Common Stock, Shares Outstanding",
                            "terseLabel":  "Entity Common Stock, Shares Outstanding"
                            }
                        }
                    },
                "localname":  "EntityCommonStockSharesOutstanding",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "dei_EntityCurrentReportingStatus":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days.  This information should be based on the registrant's current or most recent filing containing the related disclosure.",
                            "label":  "Entity Current Reporting Status",
                            "terseLabel":  "Entity Current Reporting Status"
                            }
                        }
                    },
                "localname":  "EntityCurrentReportingStatus",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityEmergingGrowthCompany":  {
                "auth_ref":  [
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate if registrant meets the emerging growth company criteria.",
                            "label":  "Entity Emerging Growth Company"
                            }
                        }
                    },
                "localname":  "EntityEmergingGrowthCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntityFileNumber":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Commission file number.  The field allows up to 17 characters.  The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
                            "label":  "Entity File Number"
                            }
                        }
                    },
                "localname":  "EntityFileNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "fileNumberItemType"
                },
            "dei_EntityFilerCategory":  {
                "auth_ref":  [
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate whether the registrant is one of the following:  Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer.  Definitions of these categories are stated in Rule 12b-2 of the Exchange Act.  This information should be based on the registrant's current or most recent filing containing the related disclosure.",
                            "label":  "Entity Filer Category",
                            "terseLabel":  "Entity Filer Category"
                            }
                        }
                    },
                "localname":  "EntityFilerCategory",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "filerCategoryItemType"
                },
            "dei_EntityIncorporationStateCountryCode":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Two-character EDGAR code representing the state or country of incorporation.",
                            "label":  "Entity Incorporation, State or Country Code"
                            }
                        }
                    },
                "localname":  "EntityIncorporationStateCountryCode",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "edgarStateCountryItemType"
                },
            "dei_EntityInteractiveDataCurrent":  {
                "auth_ref":  [
                    "r647"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
                            "label":  "Entity Interactive Data Current"
                            }
                        }
                    },
                "localname":  "EntityInteractiveDataCurrent",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityPublicFloat":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.",
                            "label":  "Entity Public Float"
                            }
                        }
                    },
                "localname":  "EntityPublicFloat",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "dei_EntityRegistrantName":  {
                "auth_ref":  [
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
                            "label":  "Entity Registrant Name",
                            "terseLabel":  "Entity Registrant Name"
                            }
                        }
                    },
                "localname":  "EntityRegistrantName",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_EntityShellCompany":  {
                "auth_ref":  [
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
                            "label":  "Entity Shell Company"
                            }
                        }
                    },
                "localname":  "EntityShellCompany",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntitySmallBusiness":  {
                "auth_ref":  [
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicates that the company is a Smaller Reporting Company (SRC).",
                            "label":  "Entity Small Business"
                            }
                        }
                    },
                "localname":  "EntitySmallBusiness",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_EntityTaxIdentificationNumber":  {
                "auth_ref":  [
                    "r646"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
                            "label":  "Entity Tax Identification Number"
                            }
                        }
                    },
                "localname":  "EntityTaxIdentificationNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "employerIdItemType"
                },
            "dei_EntityVoluntaryFilers":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.",
                            "label":  "Entity Voluntary Filers",
                            "terseLabel":  "Entity Voluntary Filers"
                            }
                        }
                    },
                "localname":  "EntityVoluntaryFilers",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_EntityWellKnownSeasonedIssuer":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.",
                            "label":  "Entity Well-known Seasoned Issuer",
                            "terseLabel":  "Entity Well-known Seasoned Issuer"
                            }
                        }
                    },
                "localname":  "EntityWellKnownSeasonedIssuer",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "yesNoItemType"
                },
            "dei_IcfrAuditorAttestationFlag":  {
                "auth_ref":  [
                    "r642",
                    "r643",
                    "r644"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "ICFR Auditor Attestation"
                            }
                        }
                    },
                "localname":  "IcfrAuditorAttestationFlag",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "booleanItemType"
                },
            "dei_LocalPhoneNumber":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Local phone number for entity.",
                            "label":  "Local Phone Number"
                            }
                        }
                    },
                "localname":  "LocalPhoneNumber",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "normalizedStringItemType"
                },
            "dei_Security12bTitle":  {
                "auth_ref":  [
                    "r639"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Title of a 12(b) registered security.",
                            "label":  "Title of 12(b) Security"
                            }
                        }
                    },
                "localname":  "Security12bTitle",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "securityTitleItemType"
                },
            "dei_SecurityExchangeName":  {
                "auth_ref":  [
                    "r641"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Name of the Exchange on which a security is registered.",
                            "label":  "Security Exchange Name"
                            }
                        }
                    },
                "localname":  "SecurityExchangeName",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "edgarExchangeCodeItemType"
                },
            "dei_TradingSymbol":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Trading symbol of an instrument as listed on an exchange.",
                            "label":  "Trading Symbol",
                            "terseLabel":  "Trading Symbol"
                            }
                        }
                    },
                "localname":  "TradingSymbol",
                "nsuri":  "http://xbrl.sec.gov/dei/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DocumentDocumentAndEntityInformation"
                    ],
                "xbrltype":  "tradingSymbolItemType"
                },
            "srt_AsiaMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Continent of Asia.",
                            "label":  "Asia [Member]",
                            "terseLabel":  "Asia [Member]"
                            }
                        }
                    },
                "localname":  "AsiaMember",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_EuropeMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Continent of Europe.",
                            "label":  "Europe [Member]",
                            "terseLabel":  "Europe [Member]"
                            }
                        }
                    },
                "localname":  "EuropeMember",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_MaximumMember":  {
                "auth_ref":  [
                    "r321",
                    "r324",
                    "r519",
                    "r520",
                    "r521",
                    "r522",
                    "r523",
                    "r524",
                    "r525",
                    "r583",
                    "r586"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Upper limit of the provided range.",
                            "label":  "Maximum [Member]",
                            "terseLabel":  "Maximum [Member]"
                            }
                        }
                    },
                "localname":  "MaximumMember",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_MinimumMember":  {
                "auth_ref":  [
                    "r321",
                    "r324",
                    "r519",
                    "r520",
                    "r521",
                    "r522",
                    "r523",
                    "r524",
                    "r525",
                    "r583",
                    "r586"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Lower limit of the provided range.",
                            "label":  "Minimum [Member]",
                            "terseLabel":  "Minimum [Member]"
                            }
                        }
                    },
                "localname":  "MinimumMember",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ProductOrServiceAxis":  {
                "auth_ref":  [
                    "r201",
                    "r291",
                    "r293",
                    "r529",
                    "r582",
                    "r584"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by product and service, or group of similar products and similar services.",
                            "label":  "Product and Service [Axis]"
                            }
                        }
                    },
                "localname":  "ProductOrServiceAxis",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_ProductsAndServicesDomain":  {
                "auth_ref":  [
                    "r201",
                    "r291",
                    "r293",
                    "r529",
                    "r582",
                    "r584"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Product or service, or a group of similar products or similar services.",
                            "label":  "Products And Services [Domain]",
                            "terseLabel":  "Products and Services [Domain]"
                            }
                        }
                    },
                "localname":  "ProductsAndServicesDomain",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_RangeAxis":  {
                "auth_ref":  [
                    "r308",
                    "r321",
                    "r324",
                    "r519",
                    "r520",
                    "r521",
                    "r522",
                    "r523",
                    "r524",
                    "r525",
                    "r583",
                    "r586"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by statistical measurement.  Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
                            "label":  "Statistical Measurement [Axis]"
                            }
                        }
                    },
                "localname":  "RangeAxis",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_RangeMember":  {
                "auth_ref":  [
                    "r308",
                    "r321",
                    "r324",
                    "r519",
                    "r520",
                    "r521",
                    "r522",
                    "r523",
                    "r524",
                    "r525",
                    "r583",
                    "r586"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Statistical measurement.  Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
                            "label":  "Range [Member]",
                            "terseLabel":  "Range [Domain]"
                            }
                        }
                    },
                "localname":  "RangeMember",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ScenarioForecastMember":  {
                "auth_ref":  [
                    "r322",
                    "r648"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information reported for future period.",
                            "label":  "Scenario Forecast [Member]",
                            "terseLabel":  "Forecast [Member]"
                            }
                        }
                    },
                "localname":  "ScenarioForecastMember",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ScenarioUnspecifiedDomain":  {
                "auth_ref":  [
                    "r322"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Scenario reported, distinguishing information from actual fact.  Includes, but is not limited to, pro forma and forecast.  Excludes actual facts.",
                            "label":  "Scenario Unspecified [Domain]",
                            "terseLabel":  "Scenario, Unspecified [Domain]"
                            }
                        }
                    },
                "localname":  "ScenarioUnspecifiedDomain",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock":  {
                "auth_ref":  [
                    "r135",
                    "r651"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for valuation and qualifying accounts and reserves.",
                            "label":  "Schedule of Valuation and Qualifying Accounts Disclosure"
                            }
                        }
                    },
                "localname":  "ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiValuationAndQualifyingAccounts"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "srt_SegmentGeographicalDomain":  {
                "auth_ref":  [
                    "r202",
                    "r203",
                    "r291",
                    "r294",
                    "r585",
                    "r629",
                    "r630",
                    "r631",
                    "r632",
                    "r633",
                    "r634",
                    "r635",
                    "r636"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Geographical area.",
                            "label":  "Segment Geographical [Domain]",
                            "terseLabel":  "Geographical [Domain]"
                            }
                        }
                    },
                "localname":  "SegmentGeographicalDomain",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_StatementGeographicalAxis":  {
                "auth_ref":  [
                    "r202",
                    "r203",
                    "r291",
                    "r294",
                    "r585",
                    "r624",
                    "r629",
                    "r630",
                    "r631",
                    "r632",
                    "r633",
                    "r634",
                    "r635",
                    "r636",
                    "r637",
                    "r649",
                    "r650"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by geographical components.",
                            "label":  "Geographical [Axis]"
                            }
                        }
                    },
                "localname":  "StatementGeographicalAxis",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_StatementScenarioAxis":  {
                "auth_ref":  [
                    "r265",
                    "r322",
                    "r515"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by scenario reported, distinguishing information from actual fact.  Includes, but is not limited to, pro forma and forecast.  Excludes actual facts.",
                            "label":  "Scenario [Axis]"
                            }
                        }
                    },
                "localname":  "StatementScenarioAxis",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_TitleOfIndividualAxis":  {
                "auth_ref":  [
                    "r208",
                    "r513"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by title of individual or nature of relationship to individual or group of individuals.",
                            "label":  "Title of Individual [Axis]"
                            }
                        }
                    },
                "localname":  "TitleOfIndividualAxis",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_TitleOfIndividualWithRelationshipToEntityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Title of individual, or nature of relationship to individual or group of individuals.",
                            "label":  "Title Of Individual With Relationship To Entity [Domain]",
                            "terseLabel":  "Relationship to Entity [Domain]"
                            }
                        }
                    },
                "localname":  "TitleOfIndividualWithRelationshipToEntityDomain",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "srt_ValuationAndQualifyingAccountsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]"
                            }
                        }
                    },
                "localname":  "ValuationAndQualifyingAccountsAbstract",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "srt_ValuationAndQualifyingAccountsDisclosureLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]"
                            }
                        }
                    },
                "localname":  "ValuationAndQualifyingAccountsDisclosureLineItems",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_ValuationAndQualifyingAccountsDisclosureTable":  {
                "auth_ref":  [
                    "r135",
                    "r651"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of valuation and qualifying accounts and reserves.",
                            "label":  "SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]"
                            }
                        }
                    },
                "localname":  "ValuationAndQualifyingAccountsDisclosureTable",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "srt_WeightedAverageMember":  {
                "auth_ref":  [
                    "r519",
                    "r521",
                    "r524"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Average of a range of values, calculated with consideration of proportional relevance.",
                            "label":  "Weighted Average [Member]",
                            "terseLabel":  "Weighted Average [Member]"
                            }
                        }
                    },
                "localname":  "WeightedAverageMember",
                "nsuri":  "http://fasb.org/srt/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccountingChangesAndErrorCorrectionsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Recent Accounting Pronouncements [Abstract]"
                            }
                        }
                    },
                "localname":  "AccountingChangesAndErrorCorrectionsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AccountingStandardsUpdate201602Member":  {
                "auth_ref":  [
                    "r492"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accounting Standards Update 2016-02 Leases (Topic 842).",
                            "label":  "Accounting Standards Update201602 [Member]",
                            "terseLabel":  "ASC 842 [Member]"
                            }
                        }
                    },
                "localname":  "AccountingStandardsUpdate201602Member",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock":  {
                "auth_ref":  [
                    "r44"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.",
                            "label":  "Accounts Payable and Accrued Liabilities Disclosure [Text Block]",
                            "terseLabel":  "Accrued Liabilities"
                            }
                        }
                    },
                "localname":  "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilities"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_AccountsPayableCurrent":  {
                "auth_ref":  [
                    "r43"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accounts Payable, Current",
                            "terseLabel":  "Accounts payable"
                            }
                        }
                    },
                "localname":  "AccountsPayableCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccountsReceivableMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Due from customers or clients for goods or services that have been delivered or sold.",
                            "label":  "Accounts Receivable [Member]",
                            "terseLabel":  "Accounts Receivable [Member]"
                            }
                        }
                    },
                "localname":  "AccountsReceivableMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccountsReceivableNetCurrent":  {
                "auth_ref":  [
                    "r4",
                    "r21",
                    "r209",
                    "r210"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.",
                            "label":  "Accounts Receivable, Net, Current",
                            "terseLabel":  "Accounts receivable, less allowance for credit losses of $1,096 and $1,124"
                            }
                        }
                    },
                "localname":  "AccountsReceivableNetCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments":  {
                "auth_ref":  [
                    "r112"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings.  This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium.  As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.",
                            "label":  "Accretion (Amortization) of Discounts and Premiums, Investments",
                            "negatedLabel":  "Amortization (accretion) of investments"
                            }
                        }
                    },
                "localname":  "AccretionAmortizationOfDiscountsAndPremiumsInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccruedBonusesCurrent":  {
                "auth_ref":  [
                    "r8",
                    "r9",
                    "r48"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accrued Bonuses, Current",
                            "terseLabel":  "Accrued bonus"
                            }
                        }
                    },
                "localname":  "AccruedBonusesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccruedLiabilitiesCurrent":  {
                "auth_ref":  [
                    "r48"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered.  Examples include taxes, interest, rent and utilities.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accrued Liabilities, Current",
                            "terseLabel":  "Accrued liabilities",
                            "totalLabel":  "Total"
                            }
                        }
                    },
                "localname":  "AccruedLiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccruedRoyaltiesCurrent":  {
                "auth_ref":  [
                    "r8",
                    "r9",
                    "r48"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accrued Royalties, Current",
                            "terseLabel":  "Accrued royalties"
                            }
                        }
                    },
                "localname":  "AccruedRoyaltiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccruedSalesCommissionCurrent":  {
                "auth_ref":  [
                    "r8",
                    "r9",
                    "r48"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred through that date and payable for sales commissions.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accrued Sales Commission, Current",
                            "terseLabel":  "Accrued commissions"
                            }
                        }
                    },
                "localname":  "AccruedSalesCommissionCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r41",
                    "r256"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_PropertyPlantAndEquipmentNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.",
                            "label":  "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
                            "negatedLabel":  "Less accumulated depreciation",
                            "negatedTerseLabel":  "Accumulated depreciation"
                            }
                        }
                    },
                "localname":  "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember":  {
                "auth_ref":  [
                    "r62",
                    "r63",
                    "r64",
                    "r68",
                    "r69"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), attributable to parent.",
                            "label":  "Accumulated Net Unrealized Investment Gain Loss [Member]",
                            "terseLabel":  "Unrealized Gains (Losses) on Investments [Member]"
                            }
                        }
                    },
                "localname":  "AccumulatedNetUnrealizedInvestmentGainLossMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Accumulated Other Comprehensive Income (Loss) [Line Items]",
                            "terseLabel":  "Accumulated Other Comprehensive Income (Loss) [Line Items]"
                            }
                        }
                    },
                "localname":  "AccumulatedOtherComprehensiveIncomeLossLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax":  {
                "auth_ref":  [
                    "r24",
                    "r66",
                    "r67",
                    "r68",
                    "r573",
                    "r594",
                    "r598"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_StockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end.  Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.  Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.",
                            "label":  "Accumulated Other Comprehensive Income (Loss), Net of Tax",
                            "periodEndLabel":  "Total accumulated other comprehensive income (loss) at end of period",
                            "periodStartLabel":  "Total accumulated other comprehensive (loss) income at beginning of period",
                            "terseLabel":  "Accumulated other comprehensive income (loss)"
                            }
                        }
                    },
                "localname":  "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable":  {
                "auth_ref":  [
                    "r480",
                    "r481",
                    "r482",
                    "r483",
                    "r484",
                    "r486"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about components of accumulated other comprehensive income (loss).",
                            "label":  "Accumulated Other Comprehensive Income (Loss) [Table]",
                            "terseLabel":  "Accumulated Other Comprehensive Income (Loss) [Table]"
                            }
                        }
                    },
                "localname":  "AccumulatedOtherComprehensiveIncomeLossTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AccumulatedOtherComprehensiveIncomeMember":  {
                "auth_ref":  [
                    "r65",
                    "r68",
                    "r69",
                    "r137",
                    "r138",
                    "r139",
                    "r453",
                    "r589",
                    "r590"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent.  Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.",
                            "label":  "Accumulated Other Comprehensive Income [Member]",
                            "terseLabel":  "Accumulated Other Comprehensive Income (Loss) [Member]"
                            }
                        }
                    },
                "localname":  "AccumulatedOtherComprehensiveIncomeMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AccumulatedTranslationAdjustmentMember":  {
                "auth_ref":  [
                    "r61",
                    "r68",
                    "r69",
                    "r453",
                    "r481",
                    "r482",
                    "r483",
                    "r484",
                    "r486"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated other comprehensive income (loss) resulting from foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to the parent.",
                            "label":  "Accumulated Translation Adjustment [Member]",
                            "terseLabel":  "Foreign Currency Translation Adjustment [Member]"
                            }
                        }
                    },
                "localname":  "AccumulatedTranslationAdjustmentMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Acquired Finite-Lived Intangible Assets [Line Items]",
                            "terseLabel":  "Acquired Finite-Lived Intangible Assets [Line Items]"
                            }
                        }
                    },
                "localname":  "AcquiredFiniteLivedIntangibleAssetsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AdditionalPaidInCapitalCommonStock":  {
                "auth_ref":  [
                    "r22"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_StockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions.  Includes only common stock transactions (excludes preferred stock transactions).  May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.",
                            "label":  "Additional Paid in Capital, Common Stock",
                            "terseLabel":  "Additional paid-in capital"
                            }
                        }
                    },
                "localname":  "AdditionalPaidInCapitalCommonStock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AdditionalPaidInCapitalMember":  {
                "auth_ref":  [
                    "r137",
                    "r138",
                    "r139",
                    "r366",
                    "r367",
                    "r368"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.",
                            "label":  "Additional Paid In Capital [Member]",
                            "terseLabel":  "Additional Paid-in Capital [Member]"
                            }
                        }
                    },
                "localname":  "AdditionalPaidInCapitalMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis":  {
                "auth_ref":  [
                    "r142",
                    "r143",
                    "r144",
                    "r146",
                    "r224",
                    "r225",
                    "r226",
                    "r227",
                    "r230",
                    "r231",
                    "r362",
                    "r363",
                    "r364",
                    "r365",
                    "r366",
                    "r367",
                    "r368",
                    "r370",
                    "r406",
                    "r407",
                    "r408",
                    "r409",
                    "r531",
                    "r532",
                    "r533",
                    "r587",
                    "r588",
                    "r589",
                    "r590",
                    "r591",
                    "r592",
                    "r593",
                    "r594",
                    "r595",
                    "r596",
                    "r597",
                    "r598"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by amendment to accounting standards.",
                            "label":  "Adjustments for New Accounting Pronouncements [Axis]"
                            }
                        }
                    },
                "localname":  "AdjustmentsForNewAccountingPronouncementsAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":  {
                "auth_ref":  [
                    "r326",
                    "r328",
                    "r373",
                    "r374"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.",
                            "label":  "Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition",
                            "terseLabel":  "Share-based employee compensation expense"
                            }
                        }
                    },
                "localname":  "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
                            "terseLabel":  "Adjustments to reconcile net loss to net cash used in operating activities:"
                            }
                        }
                    },
                "localname":  "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AdvertisingCostsPolicyTextBlock":  {
                "auth_ref":  [
                    "r376"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for advertising cost.",
                            "label":  "Advertising Costs, Policy [Policy Text Block]",
                            "terseLabel":  "Advertising Costs"
                            }
                        }
                    },
                "localname":  "AdvertisingCostsPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_AllocatedShareBasedCompensationExpense":  {
                "auth_ref":  [
                    "r328",
                    "r356",
                    "r372"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of expense for award under share-based payment arrangement.  Excludes amount capitalized.",
                            "label":  "Allocated Share-based Compensation Expense",
                            "terseLabel":  "Share-based compensation expense recognized",
                            "verboseLabel":  "Total"
                            }
                        }
                    },
                "localname":  "AllocatedShareBasedCompensationExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent":  {
                "auth_ref":  [
                    "r28",
                    "r215",
                    "r232"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of allowance for credit loss on accounts receivable, classified as current.",
                            "label":  "Allowance for Doubtful Accounts Receivable, Current",
                            "terseLabel":  "Accounts receivable, allowance for credit losses"
                            }
                        }
                    },
                "localname":  "AllowanceForDoubtfulAccountsReceivableCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AmortizationOfFinancingCosts":  {
                "auth_ref":  [
                    "r83",
                    "r111",
                    "r489"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization expense attributable to debt issuance costs.",
                            "label":  "Amortization of Financing Costs",
                            "terseLabel":  "Amortization of deferred financing costs"
                            }
                        }
                    },
                "localname":  "AmortizationOfFinancingCosts",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AmortizationOfIntangibleAssets":  {
                "auth_ref":  [
                    "r111",
                    "r243",
                    "r250"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.  As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.",
                            "label":  "Amortization of Intangible Assets",
                            "terseLabel":  "Amortization of intangible assets"
                            }
                        }
                    },
                "localname":  "AmortizationOfIntangibleAssets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount":  {
                "auth_ref":  [
                    "r159"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.",
                            "label":  "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
                            "terseLabel":  "Options, restricted stock and performance based shares excluded from calculation of net loss per share"
                            }
                        }
                    },
                "localname":  "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_AssetBackedSecuritiesMember":  {
                "auth_ref":  [
                    "r221",
                    "r309"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Securities that are primarily serviced by the cash flows of a discrete pool of receivables or other financial assets for example, but not limited to, credit card receivables, car loans, recreational vehicle loans, and mobile home loans.",
                            "label":  "Asset Backed Securities [Member]",
                            "terseLabel":  "Asset-backed Securities [Member]"
                            }
                        }
                    },
                "localname":  "AssetBackedSecuritiesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_Assets":  {
                "auth_ref":  [
                    "r121",
                    "r187",
                    "r191",
                    "r197",
                    "r223",
                    "r449",
                    "r454",
                    "r478",
                    "r553",
                    "r571"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized.  Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
                            "label":  "Assets",
                            "totalLabel":  "Total Assets"
                            }
                        }
                    },
                "localname":  "Assets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AssetsCurrent":  {
                "auth_ref":  [
                    "r5",
                    "r6",
                    "r58",
                    "r121",
                    "r223",
                    "r449",
                    "r454",
                    "r478"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer).  Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
                            "label":  "Assets, Current",
                            "totalLabel":  "Total current assets"
                            }
                        }
                    },
                "localname":  "AssetsCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AssetsCurrentAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Assets, Current [Abstract]",
                            "terseLabel":  "Current assets:"
                            }
                        }
                    },
                "localname":  "AssetsCurrentAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AssetsFairValueDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Assets, Fair Value Disclosure [Abstract]",
                            "terseLabel":  "Assets:"
                            }
                        }
                    },
                "localname":  "AssetsFairValueDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_AvailableForSaleSecurities":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.",
                            "label":  "Available-for-sale Securities",
                            "terseLabel":  "Total assets"
                            }
                        }
                    },
                "localname":  "AvailableForSaleSecurities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_AwardTypeAxis":  {
                "auth_ref":  [
                    "r330",
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of award under share-based payment arrangement.",
                            "label":  "Award Type [Axis]"
                            }
                        }
                    },
                "localname":  "AwardTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_BalanceSheetLocationAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by location on balance sheet (statement of financial position).",
                            "label":  "Balance Sheet Location [Axis]"
                            }
                        }
                    },
                "localname":  "BalanceSheetLocationAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_BalanceSheetLocationDomain":  {
                "auth_ref":  [
                    "r457",
                    "r458"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Location in the balance sheet (statement of financial position).",
                            "label":  "Balance Sheet Location [Domain]",
                            "terseLabel":  "Balance Sheet Location [Domain]"
                            }
                        }
                    },
                "localname":  "BalanceSheetLocationDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_BuildingMember":  {
                "auth_ref":  [
                    "r255"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities.",
                            "label":  "Building [Member]",
                            "terseLabel":  "Building [Member]"
                            }
                        }
                    },
                "localname":  "BuildingMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_BusinessAcquisitionAcquireeDomain":  {
                "auth_ref":  [
                    "r320",
                    "r323"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.",
                            "label":  "Business Acquisition Acquiree [Domain]",
                            "terseLabel":  "Business Acquisition, Acquiree [Domain]"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionAcquireeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_BusinessAcquisitionAxis":  {
                "auth_ref":  [
                    "r320",
                    "r323",
                    "r430",
                    "r431"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by business combination or series of individually immaterial business combinations.",
                            "label":  "Business Acquisition [Axis]"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued":  {
                "auth_ref":  [
                    "r442"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares of equity interests issued or issuable to acquire entity.",
                            "label":  "Business Acquisition, Equity Interest Issued or Issuable, Number of Shares",
                            "terseLabel":  "Consideration payment, shares",
                            "verboseLabel":  "Shares issued or issuable"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_BusinessAcquisitionLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Business Acquisition [Line Items]"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired":  {
                "auth_ref":  [
                    "r427"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of voting equity interests acquired at the acquisition date in the business combination.",
                            "label":  "Business Acquisition, Percentage of Voting Interests Acquired",
                            "terseLabel":  "Acquisition of shares and voting interest"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionPercentageOfVotingInterestsAcquired",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_BusinessAcquisitionProFormaInformationTextBlock":  {
                "auth_ref":  [
                    "r428",
                    "r429"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate.",
                            "label":  "Business Acquisition, Pro Forma Information [Table Text Block]",
                            "terseLabel":  "Pro-forma Acquisition Information"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionProFormaInformationTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss":  {
                "auth_ref":  [
                    "r428",
                    "r429"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.",
                            "label":  "Business Acquisition, Pro Forma Net Income (Loss)",
                            "terseLabel":  "Net loss"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionsProFormaNetIncomeLoss",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessAcquisitionsProFormaRevenue":  {
                "auth_ref":  [
                    "r428",
                    "r429"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.",
                            "label":  "Business Acquisition, Pro Forma Revenue",
                            "terseLabel":  "Revenue"
                            }
                        }
                    },
                "localname":  "BusinessAcquisitionsProFormaRevenue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationProFormaAcquisitionInformationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationAcquisitionRelatedCosts":  {
                "auth_ref":  [
                    "r426"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period.  Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.",
                            "label":  "Business Combination, Acquisition Related Costs",
                            "terseLabel":  "Acquisition related costs"
                            }
                        }
                    },
                "localname":  "BusinessCombinationAcquisitionRelatedCosts",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationConsiderationTransferred1":  {
                "auth_ref":  [
                    "r437",
                    "r438",
                    "r440"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationScheduleOfComponentsOfAggregatePurchasePriceDetails1":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.",
                            "label":  "Business Combination, Consideration Transferred",
                            "totalLabel":  "Total purchase price"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferred1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable":  {
                "auth_ref":  [
                    "r437",
                    "r438"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationScheduleOfComponentsOfAggregatePurchasePriceDetails1":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.",
                            "label":  "Business Acquisition, Equity Interest Issued or Issuable, Value Assigned",
                            "terseLabel":  "Fair value of AtriCure common stock issued at closing",
                            "verboseLabel":  "Consideration payment, value"
                            }
                        }
                    },
                "localname":  "BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1":  {
                "auth_ref":  [
                    "r110",
                    "r445"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.",
                            "label":  "Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability",
                            "terseLabel":  "Change in value of contingent consideration",
                            "verboseLabel":  "Change in value of contingent consideration"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh":  {
                "auth_ref":  [
                    "r444"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.",
                            "label":  "Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High",
                            "terseLabel":  "Maximum contingent consideration payable"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow":  {
                "auth_ref":  [
                    "r444"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.",
                            "label":  "Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low",
                            "terseLabel":  "Potential contingent consideration reduction if regulatory milestone not met"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationContingentConsiderationLiability":  {
                "auth_ref":  [
                    "r436",
                    "r439",
                    "r443"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LiabilitiesFairValueDisclosure",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liability recognized arising from contingent consideration in a business combination.",
                            "label":  "Business Combination, Contingent Consideration, Liability",
                            "terseLabel":  "Contingent consideration",
                            "verboseLabel":  "Contingent liability consideration"
                            }
                        }
                    },
                "localname":  "BusinessCombinationContingentConsiderationLiability",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationDisclosureTextBlock":  {
                "auth_ref":  [
                    "r446"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities.  The disclosure may include leverage buyout transactions (as applicable).",
                            "label":  "Business Combination Disclosure [Text Block]",
                            "terseLabel":  "Business Combinations"
                            }
                        }
                    },
                "localname":  "BusinessCombinationDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinations"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets":  {
                "auth_ref":  [
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of assets acquired at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets",
                            "totalLabel":  "Total identifiable assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets":  {
                "auth_ref":  [
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets",
                            "terseLabel":  "Current assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities":  {
                "auth_ref":  [
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities",
                            "terseLabel":  "Current liabilities"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets":  {
                "auth_ref":  [
                    "r433"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.",
                            "label":  "Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets",
                            "terseLabel":  "Net deferred tax assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill":  {
                "auth_ref":  [
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of intangible assets, excluding goodwill, acquired at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill",
                            "terseLabel":  "Intangible assets",
                            "verboseLabel":  "Intangible assets"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory":  {
                "auth_ref":  [
                    "r432",
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of inventory recognized as of the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory",
                            "terseLabel":  "Inventories"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities":  {
                "auth_ref":  [
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities assumed at the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities",
                            "totalLabel":  "Total liabilities assumed"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet":  {
                "auth_ref":  [
                    "r432",
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net",
                            "terseLabel":  "Net identifiable assets acquired"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r432",
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of property, plant, and equipment recognized as of the acquisition date.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment",
                            "terseLabel":  "Property and equipment"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet":  {
                "auth_ref":  [
                    "r433"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.",
                            "label":  "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net",
                            "totalLabel":  "Total consideration"
                            }
                        }
                    },
                "localname":  "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_BusinessCombinationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Business Combinations [Abstract]"
                            }
                        }
                    },
                "localname":  "BusinessCombinationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CapitalExpendituresIncurredButNotYetPaid":  {
                "auth_ref":  [
                    "r116",
                    "r117",
                    "r118"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Future cash outflow to pay for purchases of fixed assets that have occurred.",
                            "label":  "Capital Expenditures Incurred but Not yet Paid",
                            "terseLabel":  "Accrued purchases of property and equipment"
                            }
                        }
                    },
                "localname":  "CapitalExpendituresIncurredButNotYetPaid",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CapitalLeaseObligationsIncurred":  {
                "auth_ref":  [
                    "r116",
                    "r117"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in lease obligation from new lease.",
                            "label":  "Capital Lease Obligations Incurred",
                            "terseLabel":  "Assets obtained in exchange for finance lease obligations"
                            }
                        }
                    },
                "localname":  "CapitalLeaseObligationsIncurred",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CashAndCashEquivalentsAtCarryingValue":  {
                "auth_ref":  [
                    "r2",
                    "r37",
                    "r113"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of currency on hand as well as demand deposits with banks or financial institutions.  Includes other kinds of accounts that have the general characteristics of demand deposits.  Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.  Excludes cash and cash equivalents within disposal group and discontinued operation.",
                            "label":  "Cash and Cash Equivalents, at Carrying Value",
                            "periodEndLabel":  "Cash and cash equivalents-end of period",
                            "periodStartLabel":  "Cash and cash equivalents-beginning of period",
                            "terseLabel":  "Cash and cash equivalents"
                            }
                        }
                    },
                "localname":  "CashAndCashEquivalentsAtCarryingValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CashAndCashEquivalentsPolicyTextBlock":  {
                "auth_ref":  [
                    "r12",
                    "r114",
                    "r119"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents.  Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.",
                            "label":  "Cash and Cash Equivalents, Policy [Policy Text Block]",
                            "terseLabel":  "Cash and Cash Equivalents"
                            }
                        }
                    },
                "localname":  "CashAndCashEquivalentsPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":  {
                "auth_ref":  [
                    "r106",
                    "r479"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change.  Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.  Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
                            "label":  "Cash and Cash Equivalents, Period Increase (Decrease)",
                            "totalLabel":  "Net increase (decrease) in cash and cash equivalents"
                            }
                        }
                    },
                "localname":  "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CashFDICInsuredAmount":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.",
                            "label":  "Cash, FDIC Insured Amount",
                            "terseLabel":  "Cash and cash equivalents balance in excess of FDIC limits"
                            }
                        }
                    },
                "localname":  "CashFDICInsuredAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CommercialPaperMember":  {
                "auth_ref":  [
                    "r267"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Unsecured promissory note (generally negotiable) that provides institutions with short-term funds.",
                            "label":  "Commercial Paper [Member]",
                            "terseLabel":  "Commercial Paper [Member]"
                            }
                        }
                    },
                "localname":  "CommercialPaperMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CommitmentsAndContingencies":  {
                "auth_ref":  [
                    "r53",
                    "r264",
                    "r559",
                    "r577"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.",
                            "label":  "Commitments and Contingencies",
                            "terseLabel":  "Commitments and contingencies (Note 8)"
                            }
                        }
                    },
                "localname":  "CommitmentsAndContingencies",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CommitmentsAndContingenciesDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Commitments and Contingencies [Abstract]"
                            }
                        }
                    },
                "localname":  "CommitmentsAndContingenciesDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock":  {
                "auth_ref":  [
                    "r261",
                    "r262",
                    "r263",
                    "r266"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for commitments and contingencies.",
                            "label":  "Commitments and Contingencies Disclosure [Text Block]",
                            "terseLabel":  "Commitments and Contingencies"
                            }
                        }
                    },
                "localname":  "CommitmentsAndContingenciesDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingencies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_CommonStockCapitalSharesReservedForFutureIssuance":  {
                "auth_ref":  [
                    "r54"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate number of common shares reserved for future issuance.",
                            "label":  "Common Stock, Capital Shares Reserved for Future Issuance",
                            "terseLabel":  "Shares available for future issuance under the ESPP"
                            }
                        }
                    },
                "localname":  "CommonStockCapitalSharesReservedForFutureIssuance",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_CommonStockMember":  {
                "auth_ref":  [
                    "r137",
                    "r138"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Stock that is subordinate to all other stock of the issuer.",
                            "label":  "Common Stock [Member]",
                            "terseLabel":  "Common Stock [Member]"
                            }
                        }
                    },
                "localname":  "CommonStockMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CommonStockParOrStatedValuePerShare":  {
                "auth_ref":  [
                    "r20"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Face amount or stated value per share of common stock.",
                            "label":  "Common Stock, Par or Stated Value Per Share",
                            "terseLabel":  "Common stock, par value"
                            }
                        }
                    },
                "localname":  "CommonStockParOrStatedValuePerShare",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_CommonStockSharesAuthorized":  {
                "auth_ref":  [
                    "r20"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
                            "label":  "Common Stock, Shares Authorized",
                            "terseLabel":  "Common stock, shares authorized"
                            }
                        }
                    },
                "localname":  "CommonStockSharesAuthorized",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_CommonStockSharesIssued":  {
                "auth_ref":  [
                    "r20"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury).  These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized.  Shares issued include shares outstanding and shares held in the treasury.",
                            "label":  "Common Stock, Shares, Issued",
                            "terseLabel":  "Common stock, shares issued"
                            }
                        }
                    },
                "localname":  "CommonStockSharesIssued",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_CommonStockSharesOutstanding":  {
                "auth_ref":  [
                    "r20",
                    "r272"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares of common stock outstanding.  Common stock represent the ownership interest in a corporation.",
                            "label":  "Common Stock, Shares, Outstanding",
                            "terseLabel":  "Common stock, shares outstanding"
                            }
                        }
                    },
                "localname":  "CommonStockSharesOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheetsParenthetical"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_CommonStockValue":  {
                "auth_ref":  [
                    "r20"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_StockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer).  This item includes treasury stock repurchased by the entity.  Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
                            "label":  "Common Stock, Value, Issued",
                            "terseLabel":  "Common stock, $0.001 par value, 90,000 shares authorized; 45,346 and 39,655 issued and outstanding"
                            }
                        }
                    },
                "localname":  "CommonStockValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CompensationAndEmployeeBenefitPlansTextBlock":  {
                "auth_ref":  [
                    "r305",
                    "r306",
                    "r325",
                    "r375"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.",
                            "label":  "Compensation and Employee Benefit Plans [Text Block]",
                            "terseLabel":  "Employee Benefit Plans"
                            }
                        }
                    },
                "localname":  "CompensationAndEmployeeBenefitPlansTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEmployeeBenefitPlans"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Components of Deferred Tax Assets and Liabilities [Abstract]",
                            "terseLabel":  "Deferred tax assets (liabilities):"
                            }
                        }
                    },
                "localname":  "ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ComprehensiveIncomeNetOfTax":  {
                "auth_ref":  [
                    "r72",
                    "r74",
                    "r75",
                    "r82",
                    "r562",
                    "r579"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity.  Excludes changes in equity resulting from investments by owners and distributions to owners.",
                            "label":  "Comprehensive Income (Loss), Net of Tax, Attributable to Parent",
                            "totalLabel":  "Comprehensive loss, net of tax"
                            }
                        }
                    },
                "localname":  "ComprehensiveIncomeNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ComprehensiveIncomeNetOfTaxAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]",
                            "terseLabel":  "Comprehensive loss:"
                            }
                        }
                    },
                "localname":  "ComprehensiveIncomeNetOfTaxAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ComprehensiveIncomePolicyPolicyTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for comprehensive income.",
                            "label":  "Comprehensive Loss And Accumulated Other Comprehensive Income Loss Policy [Text Block]",
                            "terseLabel":  "Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss)"
                            }
                        }
                    },
                "localname":  "ComprehensiveIncomePolicyPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ConcentrationRiskBenchmarkDomain":  {
                "auth_ref":  [
                    "r172",
                    "r173",
                    "r206",
                    "r475",
                    "r476"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The denominator in a calculation of a disclosed concentration risk percentage.",
                            "label":  "Concentration Risk Benchmark [Domain]",
                            "terseLabel":  "Concentration Risk Benchmark [Domain]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskBenchmarkDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ConcentrationRiskByBenchmarkAxis":  {
                "auth_ref":  [
                    "r172",
                    "r173",
                    "r206",
                    "r475",
                    "r476",
                    "r600"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by benchmark of concentration risk.",
                            "label":  "Concentration Risk Benchmark [Axis]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskByBenchmarkAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskByTypeAxis":  {
                "auth_ref":  [
                    "r172",
                    "r173",
                    "r206",
                    "r475",
                    "r476",
                    "r600"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.",
                            "label":  "Concentration Risk Type [Axis]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskByTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskDisclosureTextBlock":  {
                "auth_ref":  [
                    "r178"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact.  This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.",
                            "label":  "Concentration Risk Disclosure [Text Block]",
                            "terseLabel":  "Concentrations"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrations"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ConcentrationRiskLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Concentration Risk [Line Items]",
                            "terseLabel":  "Concentration Risk [Line Items]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskPercentage1":  {
                "auth_ref":  [
                    "r172",
                    "r173",
                    "r206",
                    "r475",
                    "r476"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.",
                            "label":  "Concentration Risk, Percentage",
                            "terseLabel":  "Percentage representation of significant customer"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskPercentage1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ConcentrationRiskTable":  {
                "auth_ref":  [
                    "r170",
                    "r172",
                    "r173",
                    "r174",
                    "r475",
                    "r477"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Describes the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.",
                            "label":  "Concentration Risk [Table]",
                            "terseLabel":  "Concentration Risk [Table]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ConcentrationRiskTypeDomain":  {
                "auth_ref":  [
                    "r172",
                    "r173",
                    "r206",
                    "r475",
                    "r476"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.",
                            "label":  "Concentration Risk Type [Domain]",
                            "terseLabel":  "Concentration Risk Type [Domain]"
                            }
                        }
                    },
                "localname":  "ConcentrationRiskTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ConsolidationPolicyTextBlock":  {
                "auth_ref":  [
                    "r119",
                    "r451"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting.  The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.",
                            "label":  "Consolidation, Policy [Policy Text Block]",
                            "terseLabel":  "Principles of Consolidation"
                            }
                        }
                    },
                "localname":  "ConsolidationPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ConstructionInProgressMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Structure or a modification to a structure under construction.  Includes recently completed structures or modifications to structures that have not been placed into service.",
                            "label":  "Construction In Progress [Member]",
                            "terseLabel":  "Construction in Progress [Member]"
                            }
                        }
                    },
                "localname":  "ConstructionInProgressMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ContingentConsiderationByTypeAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of contingent consideration.",
                            "label":  "Contingent Consideration by Type [Axis]"
                            }
                        }
                    },
                "localname":  "ContingentConsiderationByTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ContingentConsiderationClassifiedAsEquityFairValueDisclosure":  {
                "auth_ref":  [
                    "r459"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of contingent consideration in a business combination that is classified in shareholders' equity.",
                            "label":  "Contingent Consideration Classified as Equity, Fair Value Disclosure",
                            "netLabel":  "Fair value contingent consideration",
                            "verboseLabel":  "Regulatory & Reimbursement milestones"
                            }
                        }
                    },
                "localname":  "ContingentConsiderationClassifiedAsEquityFairValueDisclosure",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ContingentConsiderationTypeDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Description of contingent payment arrangement.",
                            "label":  "Contingent Consideration Type [Domain]",
                            "terseLabel":  "Contingent Consideration Type [Domain]"
                            }
                        }
                    },
                "localname":  "ContingentConsiderationTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CorporateBondSecuritiesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "This category includes information about long-term debt securities that are issued by either a domestic or foreign corporate business entity with a date certain promise of repayment and a return to the holder for the time value of money (for example, variable or fixed interest, original issue discount).",
                            "label":  "Corporate Bond Securities [Member]",
                            "terseLabel":  "Corporate Bonds [Member]"
                            }
                        }
                    },
                "localname":  "CorporateBondSecuritiesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CostOfGoodsAndServicesSold":  {
                "auth_ref":  [
                    "r85",
                    "r529"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period.  This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.",
                            "label":  "Advertising Revenue Cost",
                            "terseLabel":  "Advertising costs"
                            }
                        }
                    },
                "localname":  "CostOfGoodsAndServicesSold",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CostOfRevenue":  {
                "auth_ref":  [
                    "r86",
                    "r121",
                    "r223",
                    "r478"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_GrossProfit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate cost of goods produced and sold and services rendered during the reporting period.",
                            "label":  "Cost of Revenue",
                            "terseLabel":  "Cost of revenue"
                            }
                        }
                    },
                "localname":  "CostOfRevenue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CostOfSalesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Primary financial statement caption encompassing cost of sales.",
                            "label":  "Cost Of Sales [Member]",
                            "terseLabel":  "Cost of Revenue [Member]"
                            }
                        }
                    },
                "localname":  "CostOfSalesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CreditFacilityAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of credit facility.  Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
                            "label":  "Credit Facility [Axis]"
                            }
                        }
                    },
                "localname":  "CreditFacilityAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CreditFacilityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Type of credit facility.  Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
                            "label":  "Credit Facility [Domain]",
                            "terseLabel":  "Credit Facility [Domain]"
                            }
                        }
                    },
                "localname":  "CreditFacilityDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_CurrentFederalTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r402",
                    "r415"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_CurrentIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Current Federal Tax Expense (Benefit)",
                            "terseLabel":  "Federal"
                            }
                        }
                    },
                "localname":  "CurrentFederalTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CurrentForeignTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r125",
                    "r402"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_CurrentIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Current Foreign Tax Expense (Benefit)",
                            "terseLabel":  "Foreign"
                            }
                        }
                    },
                "localname":  "CurrentForeignTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CurrentIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r402",
                    "r415",
                    "r417"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.",
                            "label":  "Current Income Tax Expense (Benefit)",
                            "totalLabel":  "Total current tax expense"
                            }
                        }
                    },
                "localname":  "CurrentIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Current Income Tax Expense (Benefit), Continuing Operations [Abstract]",
                            "terseLabel":  "Current Tax Expense"
                            }
                        }
                    },
                "localname":  "CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_CurrentStateAndLocalTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r402",
                    "r415"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_CurrentIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Current State and Local Tax Expense (Benefit)",
                            "terseLabel":  "State"
                            }
                        }
                    },
                "localname":  "CurrentStateAndLocalTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_CustomerConcentrationRiskMember":  {
                "auth_ref":  [
                    "r171",
                    "r206"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Reflects the percentage that revenues in the period from one or more significant customers is to net revenues, as defined by the entity, such as total net revenues, product line revenues, segment revenues.  The risk is the materially adverse effects of loss of a significant customer.",
                            "label":  "Customer Concentration Risk [Member]",
                            "terseLabel":  "Customer Concentration Risk [Member]"
                            }
                        }
                    },
                "localname":  "CustomerConcentrationRiskMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DebtDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Indebtedness [Abstract]"
                            }
                        }
                    },
                "localname":  "DebtDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DebtDisclosureTextBlock":  {
                "auth_ref":  [
                    "r271"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.",
                            "label":  "Debt Disclosure [Text Block]",
                            "terseLabel":  "Indebtedness"
                            }
                        }
                    },
                "localname":  "DebtDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtedness"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_DebtInstrumentAxis":  {
                "auth_ref":  [
                    "r15",
                    "r17",
                    "r18",
                    "r554",
                    "r555",
                    "r569"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
                            "label":  "Debt Instrument [Axis]"
                            }
                        }
                    },
                "localname":  "DebtInstrumentAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage points added to the reference rate to compute the variable rate on the debt instrument.",
                            "label":  "Debt Instrument, Basis Spread on Variable Rate",
                            "terseLabel":  "Basis rate"
                            }
                        }
                    },
                "localname":  "DebtInstrumentBasisSpreadOnVariableRate1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_DebtInstrumentFaceAmount":  {
                "auth_ref":  [
                    "r488",
                    "r490"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Face (par) amount of debt instrument at time of issuance.",
                            "label":  "Debt Instrument, Face Amount",
                            "terseLabel":  "Loan amount"
                            }
                        }
                    },
                "localname":  "DebtInstrumentFaceAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DebtInstrumentInterestRateStatedPercentage":  {
                "auth_ref":  [
                    "r50"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contractual interest rate for funds borrowed, under the debt agreement.",
                            "label":  "Debt Instrument, Interest Rate, Stated Percentage",
                            "terseLabel":  "Interest rate"
                            }
                        }
                    },
                "localname":  "DebtInstrumentInterestRateStatedPercentage",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_DebtInstrumentNameDomain":  {
                "auth_ref":  [
                    "r51"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
                            "label":  "Debt Instrument Name [Domain]",
                            "terseLabel":  "Debt Instrument, Name [Domain]"
                            }
                        }
                    },
                "localname":  "DebtInstrumentNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.",
                            "label":  "Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance",
                            "terseLabel":  "Common stock reserved for issuance"
                            }
                        }
                    },
                "localname":  "DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_DeferredFederalIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r403",
                    "r415"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred Federal Income Tax Expense (Benefit)",
                            "terseLabel":  "Federal"
                            }
                        }
                    },
                "localname":  "DeferredFederalIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredFinanceCostsGross":  {
                "auth_ref":  [
                    "r489"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before accumulated amortization, of debt issuance costs.  Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
                            "label":  "Debt Issuance Costs, Gross",
                            "terseLabel":  "Financing costs"
                            }
                        }
                    },
                "localname":  "DeferredFinanceCostsGross",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredForeignIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r403",
                    "r415"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred Foreign Income Tax Expense (Benefit)",
                            "terseLabel":  "Foreign"
                            }
                        }
                    },
                "localname":  "DeferredForeignIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r111",
                    "r122",
                    "r403",
                    "r415",
                    "r416",
                    "r417"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred Income Tax Expense (Benefit)",
                            "totalLabel":  "Total deferred tax expense"
                            }
                        }
                    },
                "localname":  "DeferredIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]",
                            "terseLabel":  "Deferred Tax Expense"
                            }
                        }
                    },
                "localname":  "DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r403",
                    "r415"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.",
                            "label":  "Deferred State and Local Income Tax Expense (Benefit)",
                            "terseLabel":  "State"
                            }
                        }
                    },
                "localname":  "DeferredStateAndLocalIncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsDeferredIncome":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.",
                            "label":  "Deferred Tax Assets, Deferred Income",
                            "terseLabel":  "Deferred interest"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsDeferredIncome",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsGross":  {
                "auth_ref":  [
                    "r394"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.",
                            "label":  "Deferred Tax Assets, Gross",
                            "totalLabel":  "Subtotal"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsGross",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsInventory":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.",
                            "label":  "Deferred Tax Assets, Inventory",
                            "terseLabel":  "Inventories"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsInventory",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsNet":  {
                "auth_ref":  [
                    "r396"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.",
                            "label":  "Deferred Tax Assets, Net of Valuation Allowance",
                            "totalLabel":  "Total"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.",
                            "label":  "Deferred Tax Assets, Operating Loss Carryforwards",
                            "terseLabel":  "Net operating loss carryforward"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsOperatingLossCarryforwards",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards.  Excludes state and local operating loss carryforwards.",
                            "label":  "Deferred Tax Assets, Operating Loss Carryforwards, Domestic",
                            "terseLabel":  "Federal net operating loss carryforwards"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsOperatingLossCarryforwardsDomestic",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsOther":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  11.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.",
                            "label":  "Deferred Tax Assets, Other",
                            "terseLabel":  "Other, net"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsOther",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch":  {
                "auth_ref":  [
                    "r399",
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.",
                            "label":  "Deferred Tax Assets, Tax Credit Carryforwards, Research",
                            "terseLabel":  "Research and development and AMT credit carryforwards, net"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsTaxCreditCarryforwardsResearch",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.",
                            "label":  "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost",
                            "terseLabel":  "Equity compensation"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.",
                            "label":  "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals",
                            "terseLabel":  "Accruals and reserves"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxAssetsValuationAllowance":  {
                "auth_ref":  [
                    "r395"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsNet",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.",
                            "label":  "Deferred Tax Assets, Valuation Allowance",
                            "negatedLabel":  "Less valuation allowance"
                            }
                        }
                    },
                "localname":  "DeferredTaxAssetsValuationAllowance",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.",
                            "label":  "Deferred Tax Liabilities, Intangible Assets",
                            "negatedLabel":  "Intangible assets"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r400",
                    "r401"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails":  {
                        "order":  10.0,
                        "parentTag":  "us-gaap_DeferredTaxAssetsGross",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.",
                            "label":  "Deferred Tax Liabilities, Property, Plant and Equipment",
                            "negatedLabel":  "Property and equipment, net"
                            }
                        }
                    },
                "localname":  "DeferredTaxLiabilitiesPropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DefinedBenefitPlanContributionsByEmployer":  {
                "auth_ref":  [
                    "r307",
                    "r309",
                    "r310",
                    "r317",
                    "r318",
                    "r319"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of contribution received by defined benefit plan from employer which increases plan assets.",
                            "label":  "Defined Benefit Plan, Contributions by Employer",
                            "terseLabel":  "Total contributions to retirement plan"
                            }
                        }
                    },
                "localname":  "DefinedBenefitPlanContributionsByEmployer",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEmployeeBenefitPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount":  {
                "auth_ref":  [
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of discretionary contributions made by an employer to a defined contribution plan.",
                            "label":  "Defined Contribution Plan, Employer Discretionary Contribution Amount",
                            "terseLabel":  "Discretionary contributions made"
                            }
                        }
                    },
                "localname":  "DefinedContributionPlanEmployerDiscretionaryContributionAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEmployeeBenefitPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.",
                            "label":  "Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay",
                            "terseLabel":  "Maximum percentage of employee contribution to the plan"
                            }
                        }
                    },
                "localname":  "DefinedContributionPlanEmployerMatchingContributionPercent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEmployeeBenefitPlansNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.",
                            "label":  "Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent",
                            "terseLabel":  "Employee contribution percent"
                            }
                        }
                    },
                "localname":  "DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEmployeeBenefitPlansNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_Depreciation":  {
                "auth_ref":  [
                    "r111",
                    "r254"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives.  Includes production and non-production related depreciation.",
                            "label":  "Depreciation",
                            "terseLabel":  "Depreciation"
                            }
                        }
                    },
                "localname":  "Depreciation",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_DevelopedTechnologyRightsMember":  {
                "auth_ref":  [
                    "r435"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Rights to developed technology, which can include the right to develop, use, market, sell, or offer for sale products, compounds, or intellectual property.",
                            "label":  "Developed Technology Rights [Member]",
                            "terseLabel":  "Developed Technology [Member]"
                            }
                        }
                    },
                "localname":  "DevelopedTechnologyRightsMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_DisaggregationOfRevenueLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Disaggregation of Revenue [Line Items]"
                            }
                        }
                    },
                "localname":  "DisaggregationOfRevenueLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DisaggregationOfRevenueTable":  {
                "auth_ref":  [
                    "r291",
                    "r293",
                    "r294",
                    "r295",
                    "r296",
                    "r297",
                    "r298",
                    "r299"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
                            "label":  "Disaggregation of Revenue [Table]"
                            }
                        }
                    },
                "localname":  "DisaggregationOfRevenueTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock":  {
                "auth_ref":  [
                    "r375"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for share-based payment arrangement.",
                            "label":  "Disclosure of Compensation Related Costs, Share-based Payments [Text Block]",
                            "terseLabel":  "Equity Compensation Plans"
                            }
                        }
                    },
                "localname":  "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlans"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Equity Compensation Plans [Abstract]"
                            }
                        }
                    },
                "localname":  "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_DomesticCountryMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile.",
                            "label":  "Domestic Country [Member]",
                            "terseLabel":  "Federal [Member]"
                            }
                        }
                    },
                "localname":  "DomesticCountryMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EarningsPerShareBasicAndDiluted":  {
                "auth_ref":  [
                    "r158"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements.  Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period.  Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
                            "label":  "Earnings Per Share, Basic and Diluted",
                            "terseLabel":  "Basic and diluted net loss per share"
                            }
                        }
                    },
                "localname":  "EarningsPerShareBasicAndDiluted",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_EarningsPerSharePolicyTextBlock":  {
                "auth_ref":  [
                    "r119",
                    "r159",
                    "r160"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security.  Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.",
                            "label":  "Earnings Per Share, Policy [Policy Text Block]",
                            "terseLabel":  "Net Loss Per Share"
                            }
                        }
                    },
                "localname":  "EarningsPerSharePolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents":  {
                "auth_ref":  [
                    "r479"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.",
                            "label":  "Effect of Exchange Rate on Cash and Cash Equivalents",
                            "terseLabel":  "Effect of exchange rate changes on cash and cash equivalents"
                            }
                        }
                    },
                "localname":  "EffectOfExchangeRateOnCashAndCashEquivalents",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateContinuingOperations":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
                            "label":  "Effective Income Tax Rate Reconciliation, Percent",
                            "totalLabel":  "Effective tax rate"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateContinuingOperations",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate":  {
                "auth_ref":  [
                    "r383",
                    "r419"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of domestic federal statutory tax rate applicable to pretax income (loss).",
                            "label":  "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent",
                            "terseLabel":  "Federal tax at statutory rate"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance":  {
                "auth_ref":  [
                    "r383",
                    "r419"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.",
                            "label":  "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent",
                            "terseLabel":  "Valuation allowance"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential":  {
                "auth_ref":  [
                    "r383",
                    "r419"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.",
                            "label":  "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent",
                            "terseLabel":  "Foreign tax rate differential"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments":  {
                "auth_ref":  [
                    "r383",
                    "r419"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.",
                            "label":  "Effective Income Tax Rate Reconciliation, Other Adjustments, Percent",
                            "terseLabel":  "Permanent differences and other"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationOtherAdjustments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes":  {
                "auth_ref":  [
                    "r383",
                    "r419"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).",
                            "label":  "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent",
                            "terseLabel":  "State income taxes"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign":  {
                "auth_ref":  [
                    "r383",
                    "r419"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in foreign income tax contingency.",
                            "label":  "Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Percent",
                            "terseLabel":  "Foreign NOL rate change"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch":  {
                "auth_ref":  [
                    "r383",
                    "r419"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_EffectiveIncomeTaxRateContinuingOperations",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.",
                            "label":  "Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent",
                            "terseLabel":  "Federal R&D credit"
                            }
                        }
                    },
                "localname":  "EffectiveIncomeTaxRateReconciliationTaxCreditsResearch",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ElectricGenerationEquipmentMember":  {
                "auth_ref":  [
                    "r255"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Equipment used for the primary purpose of generating electricity to be distributed to the consumer.",
                            "label":  "Electric Generation Equipment [Member]",
                            "terseLabel":  "Generators and Other Capital Equipment [Member]"
                            }
                        }
                    },
                "localname":  "ElectricGenerationEquipmentMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EmployeeRelatedLiabilitiesCurrent":  {
                "auth_ref":  [
                    "r48"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Accrued Payroll And Employee Related Liabilities Current",
                            "terseLabel":  "Accrued payroll and employee-related expenses"
                            }
                        }
                    },
                "localname":  "EmployeeRelatedLiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]",
                            "terseLabel":  "Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized":  {
                "auth_ref":  [
                    "r359"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.",
                            "label":  "Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized",
                            "terseLabel":  "Unrecognized compensation costs related to non-vested share-based compensation arrangements with performance shares"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1":  {
                "auth_ref":  [
                    "r359"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition",
                            "terseLabel":  "Weighted average period of recognizing cost"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions":  {
                "auth_ref":  [
                    "r359"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cost to be recognized for nonvested award under share-based payment arrangement.  Excludes share and unit options.",
                            "label":  "Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options",
                            "terseLabel":  "Unrecognized compensation costs related to non-vested performance options"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions":  {
                "auth_ref":  [
                    "r359"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cost to be recognized for option under share-based payment arrangement.",
                            "label":  "Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options",
                            "terseLabel":  "Stock options compensation costs"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions":  {
                "auth_ref":  [
                    "r361"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of tax benefit from exercise of option under share-based payment arrangement.",
                            "label":  "Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options",
                            "terseLabel":  "Tax benefit recognized"
                            }
                        }
                    },
                "localname":  "EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_EmployeeStockOptionMember":  {
                "auth_ref":  [
                    "r354"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.",
                            "label":  "Employee Stock Option [Member]",
                            "terseLabel":  "Employee Stock Option [Member]"
                            }
                        }
                    },
                "localname":  "EmployeeStockOptionMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Revenue from External Customer [Line Items]"
                            }
                        }
                    },
                "localname":  "EntityWideInformationRevenueFromExternalCustomerLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_EquityComponentDomain":  {
                "auth_ref":  [
                    "r137",
                    "r138",
                    "r139",
                    "r143",
                    "r151",
                    "r153",
                    "r164",
                    "r227",
                    "r272",
                    "r273",
                    "r366",
                    "r367",
                    "r368",
                    "r408",
                    "r409",
                    "r480",
                    "r481",
                    "r482",
                    "r483",
                    "r484",
                    "r486",
                    "r589",
                    "r590",
                    "r591"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.",
                            "label":  "Equity Component [Domain]",
                            "terseLabel":  "Equity Component [Domain]"
                            }
                        }
                    },
                "localname":  "EquityComponentDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
                            "terseLabel":  "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueTables"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable":  {
                "auth_ref":  [
                    "r459",
                    "r460",
                    "r461",
                    "r470"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.",
                            "label":  "Fair Value Measurements, Recurring and Nonrecurring [Table]",
                            "terseLabel":  "Fair Value Measurements, Recurring and Nonrecurring [Table]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureFairValueTables"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Fair Value Measurement Inputs and Valuation Techniques [Line Items]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable":  {
                "auth_ref":  [
                    "r462"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.",
                            "label":  "Fair Value Measurement Inputs and Valuation Techniques [Table]"
                            }
                        }
                    },
                "localname":  "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueByFairValueHierarchyLevelAxis":  {
                "auth_ref":  [
                    "r309",
                    "r310",
                    "r311",
                    "r312",
                    "r313",
                    "r314",
                    "r315",
                    "r318",
                    "r460",
                    "r516",
                    "r517",
                    "r518"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.",
                            "label":  "Fair Value, Hierarchy [Axis]"
                            }
                        }
                    },
                "localname":  "FairValueByFairValueHierarchyLevelAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueByMeasurementFrequencyAxis":  {
                "auth_ref":  [
                    "r459",
                    "r460",
                    "r463",
                    "r464",
                    "r471"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by measurement frequency.",
                            "label":  "Measurement Frequency [Axis]"
                            }
                        }
                    },
                "localname":  "FairValueByMeasurementFrequencyAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueTables"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueDisclosuresAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Fair Value [Abstract]"
                            }
                        }
                    },
                "localname":  "FairValueDisclosuresAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueDisclosuresTextBlock":  {
                "auth_ref":  [
                    "r468"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities.  Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.",
                            "label":  "Fair Value Disclosures [Text Block]",
                            "terseLabel":  "Fair Value"
                            }
                        }
                    },
                "localname":  "FairValueDisclosuresTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValue"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FairValueInputsLevel1Member":  {
                "auth_ref":  [
                    "r309",
                    "r310",
                    "r315",
                    "r318",
                    "r460",
                    "r516"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.",
                            "label":  "Fair Value Inputs Level1 [Member]",
                            "terseLabel":  "Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]"
                            }
                        }
                    },
                "localname":  "FairValueInputsLevel1Member",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueInputsLevel2Member":  {
                "auth_ref":  [
                    "r309",
                    "r310",
                    "r315",
                    "r318",
                    "r460",
                    "r517"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.",
                            "label":  "Fair Value Inputs Level2 [Member]",
                            "terseLabel":  "Significant Other Observable Inputs (Level 2) [Member]"
                            }
                        }
                    },
                "localname":  "FairValueInputsLevel2Member",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueInputsLevel3Member":  {
                "auth_ref":  [
                    "r309",
                    "r310",
                    "r311",
                    "r312",
                    "r313",
                    "r314",
                    "r315",
                    "r318",
                    "r460",
                    "r518"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value Inputs Level3 [Member]",
                            "terseLabel":  "Significant Other Unobservable Inputs (Level 3) [Member]"
                            }
                        }
                    },
                "localname":  "FairValueInputsLevel3Member",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock":  {
                "auth_ref":  [
                    "r465",
                    "r470"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.",
                            "label":  "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]",
                            "terseLabel":  "Level 3 Fair Value Measurements Using Significant Other Unobservable Inputs For Acquisition-Related Contingent Consideration"
                            }
                        }
                    },
                "localname":  "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FairValueMeasurementFrequencyDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Measurement frequency.",
                            "label":  "Fair Value Measurement Frequency [Domain]",
                            "terseLabel":  "Fair Value, Measurement Frequency [Domain]"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementFrequencyDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueTables"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings":  {
                "auth_ref":  [
                    "r466"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings",
                            "negatedLabel":  "Changes in fair value included in earnings"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements":  {
                "auth_ref":  [
                    "r467"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)",
                            "verboseLabel":  "Settlement of trial enrollment milestone"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue":  {
                "auth_ref":  [
                    "r465"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value",
                            "periodEndLabel":  "Ending Balance",
                            "periodStartLabel":  "Beginning Balance"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FairValueMeasurementsFairValueHierarchyDomain":  {
                "auth_ref":  [
                    "r309",
                    "r310",
                    "r311",
                    "r312",
                    "r313",
                    "r314",
                    "r315",
                    "r318",
                    "r516",
                    "r517",
                    "r518"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Categories used to prioritize the inputs to valuation techniques to measure fair value.",
                            "label":  "Fair Value Measurements Fair Value Hierarchy [Domain]",
                            "terseLabel":  "Fair Value Hierarchy [Domain]"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementsFairValueHierarchyDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueMeasurementsRecurringMember":  {
                "auth_ref":  [
                    "r468",
                    "r471"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Frequent fair value measurement.  Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.",
                            "label":  "Fair Value Measurements Recurring [Member]",
                            "terseLabel":  "Fair Value, Measurements, Recurring [Member]"
                            }
                        }
                    },
                "localname":  "FairValueMeasurementsRecurringMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails",
                    "http://www.atricure.com/role/DisclosureFairValueTables"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]"
                            }
                        }
                    },
                "localname":  "FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable":  {
                "auth_ref":  [
                    "r465",
                    "r469"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) using recurring unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
                            "label":  "Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]"
                            }
                        }
                    },
                "localname":  "FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FairValueOfFinancialInstrumentsPolicy":  {
                "auth_ref":  [
                    "r119",
                    "r472",
                    "r473"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for determining the fair value of financial instruments.",
                            "label":  "Fair Value of Financial Instruments, Policy [Policy Text Block]",
                            "terseLabel":  "Fair Value Disclosures"
                            }
                        }
                    },
                "localname":  "FairValueOfFinancialInstrumentsPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FinanceLeaseInterestExpense":  {
                "auth_ref":  [
                    "r495",
                    "r502",
                    "r510"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LeaseCost",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of interest expense on finance lease liability.",
                            "label":  "Finance Lease, Interest Expense",
                            "terseLabel":  "Interest on lease liabilities"
                            }
                        }
                    },
                "localname":  "FinanceLeaseInterestExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseInterestPaymentOnLiability":  {
                "auth_ref":  [
                    "r497",
                    "r504"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of interest paid on finance lease liability.",
                            "label":  "Finance Lease, Interest Payment on Liability",
                            "terseLabel":  "Operating cash flows from finance leases"
                            }
                        }
                    },
                "localname":  "FinanceLeaseInterestPaymentOnLiability",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Finance Lease, Liability, Payment, Due [Abstract]",
                            "terseLabel":  "Finance Leases"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilitiesPaymentsDueAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FinanceLeaseLiability":  {
                "auth_ref":  [
                    "r494",
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsAlternate":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        },
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from finance lease.",
                            "label":  "Finance Lease, Liability",
                            "terseLabel":  "Total",
                            "totalLabel":  "Total finance lease liabilities"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiability",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityCurrent":  {
                "auth_ref":  [
                    "r494"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiability",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.",
                            "label":  "Finance Lease, Liability, Current",
                            "terseLabel":  "Other current liabilities and current maturities of debt and leases"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityNoncurrent":  {
                "auth_ref":  [
                    "r494"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiability",
                        "weight":  1.0
                        },
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_Liabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.",
                            "label":  "Finance Lease, Liability, Noncurrent",
                            "terseLabel":  "Finance lease liabilities",
                            "verboseLabel":  "Finance lease liabilities"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityPaymentsDue":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsAlternate":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payments for finance lease.",
                            "label":  "Finance Lease, Liability, Payments, Due",
                            "totalLabel":  "Total payments"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityPaymentsDue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finance Lease, Liability, Payments, Due after Year Five",
                            "terseLabel":  "2025 and thereafter"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityPaymentsDueAfterYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finance Lease, Liability, Payments, Due Next Twelve Months",
                            "terseLabel":  "2021"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finance Lease, Liability, Payments, Due Year Five",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityPaymentsDueYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finance Lease, Liability, Payments, Due Year Four",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityPaymentsDueYearFour",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finance Lease, Liability, Payments, Due Year Three",
                            "terseLabel":  "2023"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityPaymentsDueYearThree",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finance Lease, Liability, Payments, Due Year Two",
                            "terseLabel":  "2022"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityPaymentsDueYearTwo",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsAlternate":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_FinanceLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.",
                            "label":  "Finance Lease, Liability, Undiscounted Excess Amount",
                            "negatedLabel":  "Less imputed interest"
                            }
                        }
                    },
                "localname":  "FinanceLeaseLiabilityUndiscountedExcessAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeasePrincipalPayments":  {
                "auth_ref":  [
                    "r496",
                    "r504"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow for principal payment on finance lease.",
                            "label":  "Finance Lease, Principal Payments",
                            "terseLabel":  "Financing cash flows from finance leases"
                            }
                        }
                    },
                "localname":  "FinanceLeasePrincipalPayments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseRightOfUseAssetAmortization":  {
                "auth_ref":  [
                    "r495",
                    "r502",
                    "r510"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LeaseCost",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization expense attributable to right-of-use asset from finance lease.",
                            "label":  "Finance Lease, Right-of-Use Asset, Amortization",
                            "terseLabel":  "Amortization of right-of-use assets"
                            }
                        }
                    },
                "localname":  "FinanceLeaseRightOfUseAssetAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent":  {
                "auth_ref":  [
                    "r507",
                    "r510"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average discount rate for finance lease calculated at point in time.",
                            "label":  "Finance Leases, Weighted average discount rate"
                            }
                        }
                    },
                "localname":  "FinanceLeaseWeightedAverageDiscountRatePercent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfWeightedAverageRemainingLeaseTermAndDiscountRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1":  {
                "auth_ref":  [
                    "r506",
                    "r510"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Finance Leases, Weighted average remaining lease term (years)"
                            }
                        }
                    },
                "localname":  "FinanceLeaseWeightedAverageRemainingLeaseTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfWeightedAverageRemainingLeaseTermAndDiscountRateDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of finite-lived and indefinite-lived intangible assets acquired as part of a business combination.",
                            "label":  "Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]",
                            "terseLabel":  "Valuation of Intangible Assets Acquired and Related Amortization Periods"
                            }
                        }
                    },
                "localname":  "FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetUsefulLife":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Finite-Lived Intangible Asset, Useful Life",
                            "terseLabel":  "Estimated Useful Life"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetUsefulLife",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization":  {
                "auth_ref":  [
                    "r249"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Finite-Lived Intangible Assets, Accumulated Amortization",
                            "terseLabel":  "Accumulated Amortization"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAccumulatedAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable":  {
                "auth_ref":  [
                    "r244"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A table containing detailed characteristics of finite-lived intangible assets acquired during a business combination.  Finite-lived intangible assets are assets that have no physical form, but have expected future economic benefit, and are expected to be used over a defined period.  Acquired finite-lived intangible assets are disclosed by major class (assets that can be grouped together because they are similar, either by their nature or by their use in operations of the Entity) and in total.  Additionally, any significant residual value (the expected value of the asset at the end of its useful life) and the weighted-average amortization period are also disclosed.",
                            "label":  "Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]",
                            "terseLabel":  "Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Assets, Amortization Expense, after Year Five",
                            "terseLabel":  "2026 and thereafter"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":  {
                "auth_ref":  [
                    "r251"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Asset, Expected Amortization, Year One",
                            "terseLabel":  "2021"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":  {
                "auth_ref":  [
                    "r251"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Assets, Amortization Expense, Year Five",
                            "terseLabel":  "2025"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":  {
                "auth_ref":  [
                    "r251"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Assets, Amortization Expense, Year Four",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":  {
                "auth_ref":  [
                    "r251"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Assets, Amortization Expense, Year Three",
                            "terseLabel":  "2023"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":  {
                "auth_ref":  [
                    "r251"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_FiniteLivedIntangibleAssetsNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Finite-Lived Intangible Assets, Amortization Expense, Year Two",
                            "terseLabel":  "2022"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis":  {
                "auth_ref":  [
                    "r244",
                    "r245",
                    "r249",
                    "r252",
                    "r530",
                    "r537"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by major type or class of finite-lived intangible assets.",
                            "label":  "Finite-Lived Intangible Assets by Major Class [Axis]"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsByMajorClassAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsGross":  {
                "auth_ref":  [
                    "r249",
                    "r537"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Finite-Lived Intangible Assets, Gross",
                            "terseLabel":  "Cost"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsGross",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Finite-Lived Intangible Assets [Line Items]",
                            "terseLabel":  "Finite-Lived Intangible Assets [Line Items]"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain":  {
                "auth_ref":  [
                    "r244",
                    "r248"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.",
                            "label":  "Finite Lived Intangible Assets Major Class Name [Domain]",
                            "terseLabel":  "Finite-Lived Intangible Assets, Major Class Name [Domain]"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsMajorClassNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsNet":  {
                "auth_ref":  [
                    "r249",
                    "r530"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Finite-Lived Intangible Assets, Net",
                            "totalLabel":  "Total"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillFutureAmortizationExpenseRelatedToIntangibleAssetsWithDefiniteLivesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1":  {
                "auth_ref":  [
                    "r530"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Finite-Lived Intangible Assets, Remaining Amortization Period",
                            "terseLabel":  "Intangible assets amortization period"
                            }
                        }
                    },
                "localname":  "FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_ForeignCountryMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax departments of governments entitled to levy and collect income taxes from the entity outside the entity's country of domicile.",
                            "label":  "Foreign Country [Member]",
                            "terseLabel":  "Foreign [Member]"
                            }
                        }
                    },
                "localname":  "ForeignCountryMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_FurnitureAndFixturesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities.  Examples include, but are not limited to, desks, chairs, tables, and bookcases.",
                            "label":  "Furniture And Fixtures [Member]",
                            "terseLabel":  "Furniture and Fixtures [Member]"
                            }
                        }
                    },
                "localname":  "FurnitureAndFixturesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_GainLossOnContractTermination":  {
                "auth_ref":  [
                    "r112",
                    "r260"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Gain (loss) related to the termination of a contract between the parties.  The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.",
                            "label":  "Gain (Loss) on Contract Termination",
                            "terseLabel":  "Early termination of operating lease"
                            }
                        }
                    },
                "localname":  "GainLossOnContractTermination",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GainLossOnInvestments":  {
                "auth_ref":  [
                    "r90",
                    "r111",
                    "r220"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of realized and unrealized gain (loss) on investment.",
                            "label":  "Gain (Loss) on Investments"
                            }
                        }
                    },
                "localname":  "GainLossOnInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestmentsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GainLossOnSaleOfPropertyPlantEquipment":  {
                "auth_ref":  [
                    "r111"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.",
                            "label":  "Gain (Loss) on Disposition of Property Plant Equipment",
                            "negatedLabel":  "Loss on disposal of property and equipment"
                            }
                        }
                    },
                "localname":  "GainLossOnSaleOfPropertyPlantEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_Goodwill":  {
                "auth_ref":  [
                    "r237",
                    "r238",
                    "r552"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet",
                        "weight":  1.0
                        },
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
                            "label":  "Goodwill",
                            "periodEndLabel":  "Ending Balance",
                            "periodStartLabel":  "Beginning Balance",
                            "terseLabel":  "Goodwill"
                            }
                        }
                    },
                "localname":  "Goodwill",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillSummaryOfCompanySGoodwillDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GoodwillAcquiredDuringPeriod":  {
                "auth_ref":  [
                    "r239"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.",
                            "label":  "Goodwill, Acquired During Period",
                            "terseLabel":  "Amounts acquired"
                            }
                        }
                    },
                "localname":  "GoodwillAcquiredDuringPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillSummaryOfCompanySGoodwillDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Intangible Assets and Goodwill [Abstract]"
                            }
                        }
                    },
                "localname":  "GoodwillAndIntangibleAssetsDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock":  {
                "auth_ref":  [
                    "r119",
                    "r240",
                    "r246"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for goodwill and intangible assets.  This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.",
                            "label":  "Goodwill and Intangible Assets, Policy [Policy Text Block]",
                            "terseLabel":  "Goodwill"
                            }
                        }
                    },
                "localname":  "GoodwillAndIntangibleAssetsPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_GrossProfit":  {
                "auth_ref":  [
                    "r84",
                    "r121",
                    "r187",
                    "r190",
                    "r193",
                    "r196",
                    "r199",
                    "r223",
                    "r478"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OperatingIncomeLoss",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.",
                            "label":  "Gross Profit",
                            "terseLabel":  "Gross profit",
                            "totalLabel":  "Gross profit"
                            }
                        }
                    },
                "localname":  "GrossProfit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InProcessResearchAndDevelopmentMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "In process investigation of new knowledge useful in developing new product or service or new process or technique or improvement to existing product or process, and translation of knowledge into plan or design for new product or process or for improvement to existing product or process.",
                            "label":  "In Process Research And Development [Member]",
                            "terseLabel":  "IPR&D [Member]"
                            }
                        }
                    },
                "localname":  "InProcessResearchAndDevelopmentMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsValuationOfIntangibleAssetsAcquiredAndRelatedAmortizationPeriodsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic":  {
                "auth_ref":  [
                    "r124",
                    "r418"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.",
                            "label":  "Income (Loss) from Continuing Operations before Income Taxes, Domestic",
                            "terseLabel":  "Pre-tax book loss for domestic operations"
                            }
                        }
                    },
                "localname":  "IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":  {
                "auth_ref":  [
                    "r80",
                    "r187",
                    "r190",
                    "r193",
                    "r196",
                    "r199",
                    "r550",
                    "r560",
                    "r564",
                    "r580"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetIncomeLoss",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.",
                            "label":  "Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest",
                            "totalLabel":  "Loss before income tax expense"
                            }
                        }
                    },
                "localname":  "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign":  {
                "auth_ref":  [
                    "r124",
                    "r418"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.",
                            "label":  "Income (Loss) from Continuing Operations before Income Taxes, Foreign",
                            "terseLabel":  "Pre-tax book loss for international operations"
                            }
                        }
                    },
                "localname":  "IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.",
                            "label":  "Income (Loss) from Continuing Operations, Per Basic and Diluted Share",
                            "terseLabel":  "Net loss per share (basic and diluted)"
                            }
                        }
                    },
                "localname":  "IncomeLossFromContinuingOperationsPerBasicAndDilutedShare",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_IncomeStatementAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidated Statements of Operations and Comprehensive Loss [Abstract]"
                            }
                        }
                    },
                "localname":  "IncomeStatementAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeStatementLocationAxis":  {
                "auth_ref":  [
                    "r258"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by location in the income statement.",
                            "label":  "Income Statement Location [Axis]"
                            }
                        }
                    },
                "localname":  "IncomeStatementLocationAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeStatementLocationDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Location in the income statement.",
                            "label":  "Income Statement Location [Domain]",
                            "terseLabel":  "Income Statement Location [Domain]"
                            }
                        }
                    },
                "localname":  "IncomeStatementLocationDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IncomeTaxAuthorityAxis":  {
                "auth_ref":  [
                    "r385"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by tax jurisdiction.",
                            "label":  "Income Tax Authority [Axis]"
                            }
                        }
                    },
                "localname":  "IncomeTaxAuthorityAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeTaxAuthorityDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.",
                            "label":  "Income Tax Authority [Domain]",
                            "terseLabel":  "Income Tax Authority [Domain]"
                            }
                        }
                    },
                "localname":  "IncomeTaxAuthorityDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_IncomeTaxContingencyLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Income Tax Contingency [Line Items]",
                            "terseLabel":  "Income Tax Contingency [Line Items]"
                            }
                        }
                    },
                "localname":  "IncomeTaxContingencyLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeTaxContingencyTable":  {
                "auth_ref":  [
                    "r386",
                    "r391",
                    "r393",
                    "r405"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies.  Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.",
                            "label":  "Income Tax Contingency [Table]",
                            "terseLabel":  "Income Tax Contingency [Table]"
                            }
                        }
                    },
                "localname":  "IncomeTaxContingencyTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeTaxDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Income Taxes [Abstract]"
                            }
                        }
                    },
                "localname":  "IncomeTaxDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncomeTaxDisclosureTextBlock":  {
                "auth_ref":  [
                    "r384",
                    "r392",
                    "r398",
                    "r413",
                    "r420",
                    "r422",
                    "r423",
                    "r425"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for income taxes.  Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.",
                            "label":  "Income Tax Disclosure [Text Block]",
                            "terseLabel":  "Income Taxes"
                            }
                        }
                    },
                "localname":  "IncomeTaxDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxes"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_IncomeTaxExpenseBenefit":  {
                "auth_ref":  [
                    "r122",
                    "r152",
                    "r153",
                    "r186",
                    "r382",
                    "r414",
                    "r421",
                    "r581"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetIncomeLoss",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
                            "label":  "Income Tax Expense (Benefit)",
                            "terseLabel":  "Income tax expense (benefit)",
                            "totalLabel":  "Total tax expense"
                            }
                        }
                    },
                "localname":  "IncomeTaxExpenseBenefit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxPolicyTextBlock":  {
                "auth_ref":  [
                    "r76",
                    "r119",
                    "r380",
                    "r381",
                    "r392",
                    "r393",
                    "r397",
                    "r404",
                    "r625"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.",
                            "label":  "Income Tax, Policy [Policy Text Block]",
                            "terseLabel":  "Income Taxes"
                            }
                        }
                    },
                "localname":  "IncomeTaxPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.",
                            "label":  "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount",
                            "terseLabel":  "Valuation allowance"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).",
                            "label":  "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount",
                            "terseLabel":  "Foreign tax rate differential"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationForeignIncomeTaxRateDifferential",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.",
                            "label":  "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount",
                            "terseLabel":  "Federal tax at statutory rate"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationOtherAdjustments":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.",
                            "label":  "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount",
                            "terseLabel":  "Permanent differences and other"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationOtherAdjustments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).",
                            "label":  "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount",
                            "terseLabel":  "State income taxes"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationStateAndLocalIncomeTaxes",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationTaxContingenciesForeign":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in foreign income tax contingency.",
                            "label":  "Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount",
                            "terseLabel":  "Foreign NOL rate change"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationTaxContingenciesForeign",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxReconciliationTaxCreditsResearch":  {
                "auth_ref":  [
                    "r383"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_IncomeTaxExpenseBenefit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.",
                            "label":  "Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount",
                            "negatedLabel":  "Federal R&D credit"
                            }
                        }
                    },
                "localname":  "IncomeTaxReconciliationTaxCreditsResearch",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncomeTaxesPaid":  {
                "auth_ref":  [
                    "r108",
                    "r115"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.",
                            "label":  "Income Taxes Paid",
                            "terseLabel":  "Cash paid for income taxes, net of refunds"
                            }
                        }
                    },
                "localname":  "IncomeTaxesPaid",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInAccountsPayable":  {
                "auth_ref":  [
                    "r110"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  14.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.",
                            "label":  "Increase (Decrease) in Accounts Payable",
                            "terseLabel":  "Accounts payable"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInAccountsPayable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInAccountsReceivable":  {
                "auth_ref":  [
                    "r110"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  11.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.",
                            "label":  "Increase (Decrease) in Accounts Receivable",
                            "negatedLabel":  "Accounts receivable"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInAccountsReceivable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInAccruedLiabilities":  {
                "auth_ref":  [
                    "r110"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  15.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.",
                            "label":  "Increase (Decrease) in Accrued Liabilities",
                            "terseLabel":  "Accrued liabilities"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInAccruedLiabilities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInInventories":  {
                "auth_ref":  [
                    "r110"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  12.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.",
                            "label":  "Increase (Decrease) in Inventories",
                            "negatedLabel":  "Inventories"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInInventories",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Increase (Decrease) in Operating Capital [Abstract]",
                            "terseLabel":  "Changes in operating assets and liabilities, net of amounts acquired:"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInOperatingCapitalAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_IncreaseDecreaseInOtherCurrentAssets":  {
                "auth_ref":  [
                    "r110"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  13.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in current assets classified as other.",
                            "label":  "Increase (Decrease) in Other Current Assets",
                            "negatedLabel":  "Other current assets"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInOtherCurrentAssets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  16.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in noncurrent operating assets after deduction of noncurrent operating liabilities classified as other.",
                            "label":  "Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net",
                            "negatedLabel":  "Other noncurrent assets and liabilities"
                            }
                        }
                    },
                "localname":  "IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_IntangibleAssetsDisclosureTextBlock":  {
                "auth_ref":  [
                    "r253"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for all or part of the information related to intangible assets.",
                            "label":  "Intangible Assets Disclosure [Text Block]",
                            "terseLabel":  "Intangible Assets and Goodwill"
                            }
                        }
                    },
                "localname":  "IntangibleAssetsDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwill"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_IntangibleAssetsFiniteLivedPolicy":  {
                "auth_ref":  [
                    "r119",
                    "r248",
                    "r526",
                    "r527",
                    "r528",
                    "r530"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for finite-lived intangible assets.  This accounting policy also might address: (1) the amortization method used; (2) the useful lives of such assets; and (3) how the entity assesses and measures impairment of such assets.",
                            "label":  "Intangible Assets, Finite-Lived, Policy [Policy Text Block]",
                            "terseLabel":  "Intangible Assets"
                            }
                        }
                    },
                "localname":  "IntangibleAssetsFiniteLivedPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_IntangibleAssetsNetExcludingGoodwill":  {
                "auth_ref":  [
                    "r242",
                    "r247"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.",
                            "label":  "Intangible Assets, Net (Excluding Goodwill)",
                            "terseLabel":  "Intangible assets, net"
                            }
                        }
                    },
                "localname":  "IntangibleAssetsNetExcludingGoodwill",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InterestExpense":  {
                "auth_ref":  [
                    "r78",
                    "r185",
                    "r487",
                    "r489",
                    "r563"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the cost of borrowed funds accounted for as interest expense.",
                            "label":  "Interest Expense",
                            "negatedLabel":  "Interest expense"
                            }
                        }
                    },
                "localname":  "InterestExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InterestPaidNet":  {
                "auth_ref":  [
                    "r104",
                    "r107",
                    "r115"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity.  Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.",
                            "label":  "Interest Paid",
                            "terseLabel":  "Cash paid for interest"
                            }
                        }
                    },
                "localname":  "InterestPaidNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InventoryDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Inventories [Abstract]"
                            }
                        }
                    },
                "localname":  "InventoryDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_InventoryDisclosureTextBlock":  {
                "auth_ref":  [
                    "r236"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for inventory.  Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.",
                            "label":  "Inventory Disclosure [Text Block]",
                            "terseLabel":  "Inventories"
                            }
                        }
                    },
                "localname":  "InventoryDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInventories"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_InventoryFinishedGoodsNetOfReserves":  {
                "auth_ref":  [
                    "r29",
                    "r235"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_InventoryNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.",
                            "label":  "Inventory, Finished Goods, Net of Reserves",
                            "terseLabel":  "Finished goods"
                            }
                        }
                    },
                "localname":  "InventoryFinishedGoodsNetOfReserves",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InventoryNet":  {
                "auth_ref":  [
                    "r3",
                    "r56"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.",
                            "label":  "Inventory, Net",
                            "terseLabel":  "Inventories",
                            "totalLabel":  "Inventories"
                            }
                        }
                    },
                "localname":  "InventoryNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InventoryPolicyTextBlock":  {
                "auth_ref":  [
                    "r11",
                    "r57",
                    "r119",
                    "r161",
                    "r233",
                    "r234",
                    "r236"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.",
                            "label":  "Inventory, Policy [Policy Text Block]",
                            "terseLabel":  "Inventories"
                            }
                        }
                    },
                "localname":  "InventoryPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_InventoryRawMaterialsNetOfReserves":  {
                "auth_ref":  [
                    "r31",
                    "r235"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_InventoryNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.",
                            "label":  "Inventory, Raw Materials, Net of Reserves",
                            "terseLabel":  "Raw materials"
                            }
                        }
                    },
                "localname":  "InventoryRawMaterialsNetOfReserves",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InventoryValuationReserveMember":  {
                "auth_ref":  [
                    "r134"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Reserve to reduce inventory to lower of cost or net realizable value.",
                            "label":  "Inventory Valuation Reserve [Member]",
                            "terseLabel":  "Allowance For Inventory Valuation [Member]"
                            }
                        }
                    },
                "localname":  "InventoryValuationReserveMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_InventoryWorkInProcessNetOfReserves":  {
                "auth_ref":  [
                    "r30",
                    "r235"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_InventoryNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed.  This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.",
                            "label":  "Inventory, Work in Process, Net of Reserves",
                            "terseLabel":  "Work in process"
                            }
                        }
                    },
                "localname":  "InventoryWorkInProcessNetOfReserves",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInventoriesSummaryOfInventoriesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InvestmentHoldingsTable":  {
                "auth_ref":  [
                    "r602",
                    "r613",
                    "r617",
                    "r618"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The investment holdings table is used for any listing of investments.  The \"Investment [Axis]\" identifies the investment for which the line items apply.  The other axes are used for categorizing the investments and creating useful subtotals.  These axes cover different categorizations.  The appropriate axes are expected to be used.  Additional axes can be added for alternative categorizations.",
                            "label":  "Investment Holdings [Table]"
                            }
                        }
                    },
                "localname":  "InvestmentHoldingsTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_InvestmentIncomeInterest":  {
                "auth_ref":  [
                    "r89",
                    "r184"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.",
                            "label":  "Investment Income, Interest",
                            "terseLabel":  "Interest income"
                            }
                        }
                    },
                "localname":  "InvestmentIncomeInterest",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InvestmentOwnedAtCost":  {
                "auth_ref":  [
                    "r601"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Cost of the investment.",
                            "label":  "Investment Owned, at Cost",
                            "terseLabel":  "Short-term investments, Cost Basis"
                            }
                        }
                    },
                "localname":  "InvestmentOwnedAtCost",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InvestmentOwnedAtFairValue":  {
                "auth_ref":  [
                    "r601",
                    "r609",
                    "r616"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Value of the investment at close of period.  For schedules of investments that are categorized, the value would be aggregated by category.  For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.",
                            "label":  "Investment Owned, at Fair Value",
                            "terseLabel":  "Short-term investments, Fair Value"
                            }
                        }
                    },
                "localname":  "InvestmentOwnedAtFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_InvestmentTypeAxis":  {
                "auth_ref":  [
                    "r603",
                    "r604",
                    "r605",
                    "r606",
                    "r607",
                    "r608",
                    "r610",
                    "r611",
                    "r612",
                    "r614",
                    "r615",
                    "r619",
                    "r620",
                    "r621",
                    "r622"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of investments.",
                            "label":  "Investment Type [Axis]"
                            }
                        }
                    },
                "localname":  "InvestmentTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_InvestmentTypeCategorizationMember":  {
                "auth_ref":  [
                    "r603",
                    "r604",
                    "r605",
                    "r606",
                    "r607",
                    "r608",
                    "r610",
                    "r611",
                    "r612",
                    "r614",
                    "r615",
                    "r619",
                    "r620",
                    "r621",
                    "r622"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Asset obtained to generate income or appreciate in value.",
                            "label":  "Investment Type Categorization [Member]",
                            "terseLabel":  "Investments [Domain]"
                            }
                        }
                    },
                "localname":  "InvestmentTypeCategorizationMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Investments [Abstract]"
                            }
                        }
                    },
                "localname":  "InvestmentsDebtAndEquitySecuritiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock":  {
                "auth_ref":  [
                    "r222",
                    "r551",
                    "r567",
                    "r623"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for investments in certain debt and equity securities.",
                            "label":  "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]",
                            "terseLabel":  "Investments"
                            }
                        }
                    },
                "localname":  "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestments"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LandMember":  {
                "auth_ref":  [
                    "r293"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Part of earth's surface not covered by water.",
                            "label":  "Land [Member]",
                            "terseLabel":  "Land [Member]"
                            }
                        }
                    },
                "localname":  "LandMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LeaseContractualTermAxis":  {
                "auth_ref":  [
                    "r501"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by contractual term of lease arrangement.",
                            "label":  "Lease Contractual Term [Axis]"
                            }
                        }
                    },
                "localname":  "LeaseContractualTermAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LeaseContractualTermDomain":  {
                "auth_ref":  [
                    "r501"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Contractual term of lease arrangement.",
                            "label":  "Lease Contractual Term [Domain]",
                            "terseLabel":  "Lease Contractual Term [Domain]"
                            }
                        }
                    },
                "localname":  "LeaseContractualTermDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LeaseCost":  {
                "auth_ref":  [
                    "r508",
                    "r510"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lease cost recognized by lessee for lease contract.",
                            "label":  "Lease, Cost",
                            "totalLabel":  "Total finance lease cost"
                            }
                        }
                    },
                "localname":  "LeaseCost",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LeaseCostTableTextBlock":  {
                "auth_ref":  [
                    "r508"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of lessee's lease cost.  Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.",
                            "label":  "Lease, Cost [Table Text Block]",
                            "terseLabel":  "Summary Of Components Of Lease Expense"
                            }
                        }
                    },
                "localname":  "LeaseCostTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LeaseholdImprovementsMember":  {
                "auth_ref":  [
                    "r255"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Additions or improvements to assets held under a lease arrangement.",
                            "label":  "Leasehold Improvements [Member]",
                            "terseLabel":  "Leasehold Improvements [Member]"
                            }
                        }
                    },
                "localname":  "LeaseholdImprovementsMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LeasesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Leases [Abstract]"
                            }
                        }
                    },
                "localname":  "LeasesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LeasesOfLesseeDisclosureTextBlock":  {
                "auth_ref":  [
                    "r491"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.",
                            "label":  "Leases of Lessee Disclosure [Text Block]",
                            "terseLabel":  "Leases"
                            }
                        }
                    },
                "localname":  "LeasesOfLesseeDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeases"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LesseeLeaseDescriptionLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Lessee, Lease, Description [Line Items]"
                            }
                        }
                    },
                "localname":  "LesseeLeaseDescriptionLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LesseeLeaseDescriptionTable":  {
                "auth_ref":  [
                    "r501"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about lessee's leases.",
                            "label":  "Lessee, Lease, Description [Table]"
                            }
                        }
                    },
                "localname":  "LesseeLeaseDescriptionTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LesseeLeasesPolicyTextBlock":  {
                "auth_ref":  [
                    "r499"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for leasing arrangement entered into by lessee.",
                            "label":  "Lessee, Leases [Policy Text Block]",
                            "terseLabel":  "Leases"
                            }
                        }
                    },
                "localname":  "LesseeLeasesPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsAlternate":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease.",
                            "label":  "Lessee, Operating Lease, Liability, Payments, Due",
                            "totalLabel":  "Total payments"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, Payments, Due after Year Five",
                            "terseLabel":  "2025 and thereafter"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months",
                            "terseLabel":  "2021"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, Payments, Due Year Five",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearFive",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, Payments, Due Year Four",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearFour",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, Payments, Due Year Three",
                            "terseLabel":  "2023"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearThree",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Lessee, Operating Lease, Liability, Payments, Due Year Two",
                            "terseLabel":  "2022"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount":  {
                "auth_ref":  [
                    "r509"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsAlternate":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.",
                            "label":  "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
                            "negatedLabel":  "Less imputed interest"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LesseeOperatingLeaseRemainingLeaseTerm":  {
                "auth_ref":  [
                    "r500"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Lessee, Operating Lease, Term of Contract"
                            }
                        }
                    },
                "localname":  "LesseeOperatingLeaseRemainingLeaseTerm",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_LetterOfCreditMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A document typically issued by a financial institution which acts as a guarantee of payment to a beneficiary, or as the source of payment for a specific transaction (for example, wiring funds to a foreign exporter if and when specified merchandise is accepted pursuant to the terms of the letter of credit).",
                            "label":  "Letter Of Credit [Member]",
                            "terseLabel":  "Letter of Credit [Member]"
                            }
                        }
                    },
                "localname":  "LetterOfCreditMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LettersOfCreditOutstandingAmount":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.",
                            "label":  "Letters of Credit Outstanding, Amount",
                            "terseLabel":  "Letter of credit outstanding"
                            }
                        }
                    },
                "localname":  "LettersOfCreditOutstandingAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_Liabilities":  {
                "auth_ref":  [
                    "r47",
                    "r121",
                    "r192",
                    "r223",
                    "r450",
                    "r454",
                    "r455",
                    "r478"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized.  Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.",
                            "label":  "Liabilities",
                            "totalLabel":  "Total Liabilities"
                            }
                        }
                    },
                "localname":  "Liabilities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LiabilitiesAndStockholdersEquity":  {
                "auth_ref":  [
                    "r27",
                    "r121",
                    "r223",
                    "r478",
                    "r556",
                    "r575"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
                            "label":  "Liabilities and Equity",
                            "totalLabel":  "Total Liabilities and Stockholders' Equity"
                            }
                        }
                    },
                "localname":  "LiabilitiesAndStockholdersEquity",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LiabilitiesCurrent":  {
                "auth_ref":  [
                    "r49",
                    "r121",
                    "r223",
                    "r450",
                    "r454",
                    "r455",
                    "r478"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_Liabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.",
                            "label":  "Liabilities, Current",
                            "totalLabel":  "Total current liabilities"
                            }
                        }
                    },
                "localname":  "LiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LiabilitiesCurrentAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Liabilities, Current [Abstract]",
                            "terseLabel":  "Current liabilities:"
                            }
                        }
                    },
                "localname":  "LiabilitiesCurrentAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LiabilitiesFairValueDisclosure":  {
                "auth_ref":  [
                    "r459"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of financial and nonfinancial obligations.",
                            "label":  "Financial and Nonfinancial Liabilities, Fair Value Disclosure",
                            "totalLabel":  "Total liabilities"
                            }
                        }
                    },
                "localname":  "LiabilitiesFairValueDisclosure",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LiabilitiesFairValueDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Liabilities, Fair Value Disclosure [Abstract]",
                            "terseLabel":  "Liabilities:"
                            }
                        }
                    },
                "localname":  "LiabilitiesFairValueDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LineOfCredit":  {
                "auth_ref":  [
                    "r18",
                    "r555",
                    "r569"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount.  Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.  Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.",
                            "label":  "Long-term Line of Credit",
                            "terseLabel":  "Line of credit, borrowings"
                            }
                        }
                    },
                "localname":  "LineOfCredit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LineOfCreditFacilityCommitmentFeeAmount":  {
                "auth_ref":  [
                    "r45"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of the fee for available but unused credit capacity under the credit facility.",
                            "label":  "Line of Credit Facility, Commitment Fee Amount",
                            "terseLabel":  "Annual commitment fee"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityCommitmentFeeAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity":  {
                "auth_ref":  [
                    "r45"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.",
                            "label":  "Line of Credit Facility, Current Borrowing Capacity",
                            "terseLabel":  "Line of credit, revolving line of credit"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityCurrentBorrowingCapacity",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LineOfCreditFacilityExpirationDate1":  {
                "auth_ref":  [
                    "r45"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Date the credit facility terminates, in CCYY-MM-DD format.",
                            "label":  "Line of Credit Facility, Expiration Date",
                            "terseLabel":  "Maturity date"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityExpirationDate1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "dateItemType"
                },
            "us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding":  {
                "auth_ref":  [
                    "r474"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of the amount outstanding under the credit facility.",
                            "label":  "Line of Credit Facility, Fair Value of Amount Outstanding",
                            "terseLabel":  "Line of credit, amount outstanding"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityFairValueOfAmountOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LineOfCreditFacilityLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Line of Credit Facility [Line Items]"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity":  {
                "auth_ref":  [
                    "r45"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
                            "label":  "Line of Credit Facility, Maximum Borrowing Capacity",
                            "terseLabel":  "Line of credit, maximum borrowing capacity"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityMaximumBorrowingCapacity",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LineOfCreditFacilityTable":  {
                "auth_ref":  [
                    "r45",
                    "r123"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A table or schedule providing information pertaining to short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.",
                            "label":  "Line of Credit Facility [Table]"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.",
                            "label":  "Line of Credit Facility, Unused Capacity, Commitment Fee Percentage",
                            "terseLabel":  "Annual commitment fee, percentage"
                            }
                        }
                    },
                "localname":  "LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_LongTermDebt":  {
                "auth_ref":  [
                    "r18",
                    "r270",
                    "r555",
                    "r572"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt.  Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper.  Excludes capital lease obligations.",
                            "label":  "Long-term Debt and Capital Lease Obligations, Including Current Maturities",
                            "totalLabel":  "Total long-term debt, of which $6,667 is current and $53,333 is noncurrent"
                            }
                        }
                    },
                "localname":  "LongTermDebt",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtAndCapitalLeaseObligations":  {
                "auth_ref":  [
                    "r18"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of long-term debt and lease obligation, classified as noncurrent.",
                            "label":  "Long-term Debt and Capital Lease Obligations",
                            "netLabel":  "Noncurrent"
                            }
                        }
                    },
                "localname":  "LongTermDebtAndCapitalLeaseObligations",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtCurrent":  {
                "auth_ref":  [
                    "r46"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current.  Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper.  Excludes capital lease obligations.",
                            "label":  "Long-term Debt, Current Maturities",
                            "terseLabel":  "Current"
                            }
                        }
                    },
                "localname":  "LongTermDebtCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":  {
                "auth_ref":  [
                    "r126",
                    "r268"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_LongTermDebt",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Long-term Debt Repayments Next Twelve Months",
                            "terseLabel":  "2021"
                            }
                        }
                    },
                "localname":  "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":  {
                "auth_ref":  [
                    "r126",
                    "r268"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_LongTermDebt",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four",
                            "terseLabel":  "2024"
                            }
                        }
                    },
                "localname":  "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":  {
                "auth_ref":  [
                    "r126",
                    "r268"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_LongTermDebt",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three",
                            "terseLabel":  "2023"
                            }
                        }
                    },
                "localname":  "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":  {
                "auth_ref":  [
                    "r126",
                    "r268"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LongTermDebt",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year.  Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
                            "label":  "Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months",
                            "terseLabel":  "2022"
                            }
                        }
                    },
                "localname":  "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessFutureMaturitiesOnDebtDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermDebtNoncurrent":  {
                "auth_ref":  [
                    "r51"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_Liabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer.  Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper.  Excludes capital lease obligations.",
                            "label":  "Long-term Debt, Excluding Current Maturities",
                            "terseLabel":  "Long-term debt"
                            }
                        }
                    },
                "localname":  "LongTermDebtNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongTermInvestments":  {
                "auth_ref":  [
                    "r38"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).",
                            "label":  "Long-term Investments",
                            "terseLabel":  "Long-term investments"
                            }
                        }
                    },
                "localname":  "LongTermInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_LongtermDebtTypeAxis":  {
                "auth_ref":  [
                    "r51"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of long-term debt.",
                            "label":  "Long-term Debt, Type [Axis]"
                            }
                        }
                    },
                "localname":  "LongtermDebtTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_LongtermDebtTypeDomain":  {
                "auth_ref":  [
                    "r51",
                    "r269"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing.  These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
                            "label":  "Longterm Debt Type [Domain]",
                            "terseLabel":  "Long-term Debt, Type [Domain]"
                            }
                        }
                    },
                "localname":  "LongtermDebtTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_LossContingencyAccrualCarryingValueCurrent":  {
                "auth_ref":  [
                    "r264"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.",
                            "label":  "Loss Contingency, Accrual, Current",
                            "verboseLabel":  "Liability related settlement current"
                            }
                        }
                    },
                "localname":  "LossContingencyAccrualCarryingValueCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_MarketableSecuritiesPolicy":  {
                "auth_ref":  [
                    "r566"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for investment classified as marketable security.",
                            "label":  "Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]",
                            "terseLabel":  "Investments"
                            }
                        }
                    },
                "localname":  "MarketableSecuritiesPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_MeasurementInputDiscountRateMember":  {
                "auth_ref":  [
                    "r462"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Measurement input using interest rate to determine present value of future cash flows.",
                            "label":  "Measurement Input Discount Rate [Member]",
                            "terseLabel":  "Measurement Input, Discount Rate [Member]"
                            }
                        }
                    },
                "localname":  "MeasurementInputDiscountRateMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_MeasurementInputTypeAxis":  {
                "auth_ref":  [
                    "r462"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of measurement input used to determine value of asset and liability.",
                            "label":  "Measurement Input Type [Axis]"
                            }
                        }
                    },
                "localname":  "MeasurementInputTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_MeasurementInputTypeDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Measurement input used to determine value of asset and liability.",
                            "label":  "Measurement Input Type [Domain]",
                            "terseLabel":  "Measurement Input Type [Domain]"
                            }
                        }
                    },
                "localname":  "MeasurementInputTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueLevel3FairValueMeasurementsUsingSignificantOtherUnobservableInputsForAcquisitionRelatedContingentConsiderationRecurringDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_MediumTermNotesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debt instruments with maturities ranging from five to ten years.",
                            "label":  "Medium Term Notes [Member]",
                            "terseLabel":  "Term Loan [Member]"
                            }
                        }
                    },
                "localname":  "MediumTermNotesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_MoneyMarketFundsMember":  {
                "auth_ref":  [
                    "r309"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fund that invests in short-term money-market instruments, for example, but not limited to, commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and other highly liquid securities.",
                            "label":  "Money Market Funds [Member]",
                            "terseLabel":  "Money Market Funds [Member]"
                            }
                        }
                    },
                "localname":  "MoneyMarketFundsMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_NatureOfOperations":  {
                "auth_ref":  [
                    "r165",
                    "r178"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings.  For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.",
                            "label":  "Nature Of Business Policy Policy [Text Block]",
                            "terseLabel":  "Nature of the Business"
                            }
                        }
                    },
                "localname":  "NatureOfOperations",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_NetCashProvidedByUsedInFinancingActivities":  {
                "auth_ref":  [
                    "r106"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow (outflow) from financing activities, including discontinued operations.  Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
                            "label":  "Net Cash Provided by (Used in) Financing Activities, Continuing Operations",
                            "totalLabel":  "Net cash provided by financing activities"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInFinancingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]",
                            "terseLabel":  "Cash flows from financing activities:"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NetCashProvidedByUsedInInvestingActivities":  {
                "auth_ref":  [
                    "r106"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow (outflow) from investing activities, including discontinued operations.  Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
                            "label":  "Net Cash Provided by (Used in) Investing Activities, Continuing Operations",
                            "totalLabel":  "Net cash (used in) provided by investing activities"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInInvestingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]",
                            "terseLabel":  "Cash flows from investing activities:"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NetCashProvidedByUsedInOperatingActivities":  {
                "auth_ref":  [
                    "r106",
                    "r109",
                    "r112"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
                        "weight":  1.0
                        }
                    },
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow (outflow) from operating activities, including discontinued operations.  Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
                            "label":  "Net Cash Provided by (Used in) Operating Activities, Continuing Operations",
                            "totalLabel":  "Net cash used in operating activities"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInOperatingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]",
                            "terseLabel":  "Cash flows from operating activities:"
                            }
                        }
                    },
                "localname":  "NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NetIncomeLoss":  {
                "auth_ref":  [
                    "r0",
                    "r70",
                    "r73",
                    "r81",
                    "r112",
                    "r121",
                    "r142",
                    "r147",
                    "r148",
                    "r149",
                    "r150",
                    "r152",
                    "r153",
                    "r157",
                    "r187",
                    "r190",
                    "r193",
                    "r196",
                    "r199",
                    "r223",
                    "r478",
                    "r561",
                    "r578"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        },
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_ComprehensiveIncomeNetOfTax",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
                            "label":  "Net Income (Loss) Attributable to Parent",
                            "netLabel":  "Net loss",
                            "terseLabel":  "Net loss",
                            "totalLabel":  "Net loss"
                            }
                        }
                    },
                "localname":  "NetIncomeLoss",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock":  {
                "auth_ref":  [
                    "r140",
                    "r141",
                    "r144",
                    "r145",
                    "r154",
                    "r155",
                    "r156",
                    "r228",
                    "r229",
                    "r300",
                    "r301",
                    "r302",
                    "r303",
                    "r369",
                    "r410",
                    "r411",
                    "r412",
                    "r534",
                    "r535",
                    "r536",
                    "r593",
                    "r594",
                    "r595",
                    "r596",
                    "r598"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for change in accounting principle.  Includes, but is not limited to, nature, reason, and method of adopting amendment to accounting standards or other change in accounting principle.",
                            "label":  "New Accounting Pronouncements and Changes in Accounting Principles [Text Block]",
                            "terseLabel":  "Recent Accounting Pronouncements"
                            }
                        }
                    },
                "localname":  "NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureRecentAccountingPronouncements"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_NonUsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Countries excluding the United States of America (US).",
                            "label":  "Non Us [Member]",
                            "terseLabel":  "International [Member]"
                            }
                        }
                    },
                "localname":  "NonUsMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_NoncashInvestingAndFinancingItemsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Noncash Investing and Financing Items [Abstract]",
                            "terseLabel":  "Non-cash investing and financing activities:"
                            }
                        }
                    },
                "localname":  "NoncashInvestingAndFinancingItemsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_NoncurrentAssets":  {
                "auth_ref":  [
                    "r203"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.",
                            "label":  "Long-Lived Assets",
                            "terseLabel":  "Long-lived assets"
                            }
                        }
                    },
                "localname":  "NoncurrentAssets",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OpenTaxYear":  {
                "auth_ref":  [
                    "r385"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tax year that remains open to examination under enacted tax laws, in CCYY format.",
                            "label":  "Open Tax Year"
                            }
                        }
                    },
                "localname":  "OpenTaxYear",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "gYearListItemType"
                },
            "us-gaap_OperatingExpenses":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OperatingIncomeLoss",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services.  Includes selling, general and administrative expense.",
                            "label":  "Operating Expenses",
                            "totalLabel":  "Total operating expenses"
                            }
                        }
                    },
                "localname":  "OperatingExpenses",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingExpensesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Operating Expenses [Abstract]",
                            "terseLabel":  "Operating expenses:"
                            }
                        }
                    },
                "localname":  "OperatingExpensesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_OperatingIncomeLoss":  {
                "auth_ref":  [
                    "r187",
                    "r190",
                    "r193",
                    "r196",
                    "r199"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The net result for the period of deducting operating expenses from operating revenues.",
                            "label":  "Operating Income (Loss)",
                            "terseLabel":  "Loss from operations",
                            "totalLabel":  "Loss from operations"
                            }
                        }
                    },
                "localname":  "OperatingIncomeLoss",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingIncomeLossAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Operating Income (Loss) [Abstract]",
                            "terseLabel":  "Operating Results:"
                            }
                        }
                    },
                "localname":  "OperatingIncomeLossAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_OperatingLeaseCost":  {
                "auth_ref":  [
                    "r503",
                    "r510"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term.  Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.",
                            "label":  "Operating Lease, Cost",
                            "terseLabel":  "Operating lease cost"
                            }
                        }
                    },
                "localname":  "OperatingLeaseCost",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Lessee, Operating Lease, Liability, Payment, Due [Abstract]",
                            "terseLabel":  "Operating Leases"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiabilitiesPaymentsDueAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_OperatingLeaseLiability":  {
                "auth_ref":  [
                    "r494"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsAlternate":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
                        "weight":  1.0
                        },
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from operating lease.",
                            "label":  "Operating Lease, Liability",
                            "terseLabel":  "Total",
                            "totalLabel":  "Total operating lease liabilities"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiability",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseLiabilityCurrent":  {
                "auth_ref":  [
                    "r494"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OperatingLeaseLiability",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.",
                            "label":  "Operating Lease, Liability, Current",
                            "terseLabel":  "Other current liabilities and current maturities of debt and leases"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiabilityCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseLiabilityNoncurrent":  {
                "auth_ref":  [
                    "r494"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OperatingLeaseLiability",
                        "weight":  1.0
                        },
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_Liabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.",
                            "label":  "Operating Lease, Liability, Noncurrent",
                            "verboseLabel":  "Operating lease liabilities"
                            }
                        }
                    },
                "localname":  "OperatingLeaseLiabilityNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeasePayments":  {
                "auth_ref":  [
                    "r498",
                    "r504"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.",
                            "label":  "Operating Lease, Payments",
                            "terseLabel":  "Operating cash flows from operating leases"
                            }
                        }
                    },
                "localname":  "OperatingLeasePayments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseRightOfUseAsset":  {
                "auth_ref":  [
                    "r493"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of lessee's right to use underlying asset under operating lease.",
                            "label":  "Operating Lease, Right-of-Use Asset",
                            "terseLabel":  "Operating lease right-of-use assets"
                            }
                        }
                    },
                "localname":  "OperatingLeaseRightOfUseAsset",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent":  {
                "auth_ref":  [
                    "r507",
                    "r510"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average discount rate for operating lease calculated at point in time.",
                            "label":  "Operating Leases, Weighted average discount rate"
                            }
                        }
                    },
                "localname":  "OperatingLeaseWeightedAverageDiscountRatePercent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfWeightedAverageRemainingLeaseTermAndDiscountRateDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1":  {
                "auth_ref":  [
                    "r506",
                    "r510"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Operating Leases, Weighted average remaining lease term (years)"
                            }
                        }
                    },
                "localname":  "OperatingLeaseWeightedAverageRemainingLeaseTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfWeightedAverageRemainingLeaseTermAndDiscountRateDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_OperatingLossCarryforwards":  {
                "auth_ref":  [
                    "r399"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.",
                            "label":  "Operating Loss Carryforwards",
                            "terseLabel":  "Operating loss carryforward"
                            }
                        }
                    },
                "localname":  "OperatingLossCarryforwards",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Description of Business and Summary of Significant Accounting Policies [Abstract]"
                            }
                        }
                    },
                "localname":  "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock":  {
                "auth_ref":  [
                    "r1",
                    "r136",
                    "r178",
                    "r456"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity.  May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows.  Describes procedure if disclosures are provided in more than one note to the financial statements.",
                            "label":  "Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]",
                            "terseLabel":  "Description of Business and Summary of Significant Accounting Policies"
                            }
                        }
                    },
                "localname":  "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_OtherAccruedLiabilitiesCurrent":  {
                "auth_ref":  [
                    "r8",
                    "r9",
                    "r10",
                    "r48"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.",
                            "label":  "Other Accrued Liabilities, Current",
                            "terseLabel":  "Other accrued liabilities"
                            }
                        }
                    },
                "localname":  "OtherAccruedLiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherAssetsNoncurrent":  {
                "auth_ref":  [
                    "r42"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of noncurrent assets classified as other.",
                            "label":  "Other Assets, Noncurrent",
                            "terseLabel":  "Other noncurrent assets"
                            }
                        }
                    },
                "localname":  "OtherAssetsNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax":  {
                "auth_ref":  [
                    "r68",
                    "r77",
                    "r480",
                    "r482",
                    "r486"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax, before reclassification adjustments of other comprehensive income (loss).",
                            "label":  "Other Comprehensive Income (Loss), before Reclassifications, Net of Tax",
                            "terseLabel":  "Other comprehensive income (loss) before reclassifications"
                            }
                        }
                    },
                "localname":  "OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax":  {
                "auth_ref":  [
                    "r60"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.",
                            "label":  "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax",
                            "terseLabel":  "Foreign currency translation adjustment"
                            }
                        }
                    },
                "localname":  "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":  {
                "auth_ref":  [
                    "r71",
                    "r74",
                    "r447",
                    "r448",
                    "r452"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_ComprehensiveIncomeNetOfTax",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax of other comprehensive income (loss) attributable to parent entity.",
                            "label":  "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent",
                            "terseLabel":  "Other comprehensive income (loss)",
                            "totalLabel":  "Other comprehensive income (loss)"
                            }
                        }
                    },
                "localname":  "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax":  {
                "auth_ref":  [
                    "r62",
                    "r66"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).  Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.",
                            "label":  "Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax",
                            "terseLabel":  "Unrealized (loss) gain on investments"
                            }
                        }
                    },
                "localname":  "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherCurrentLiabilitiesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Primary financial statement caption encompassing other current liabilities.",
                            "label":  "Other Current Liabilities [Member]",
                            "terseLabel":  "Other Current Liabilities [Member]"
                            }
                        }
                    },
                "localname":  "OtherCurrentLiabilitiesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_OtherLiabilitiesCurrent":  {
                "auth_ref":  [
                    "r7",
                    "r8",
                    "r48"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_LiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.",
                            "label":  "Other Current Liabilities And Capital Lease Obligations Current",
                            "terseLabel":  "Other current liabilities and current maturities of long-term debt and leases"
                            }
                        }
                    },
                "localname":  "OtherLiabilitiesCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherLiabilitiesNoncurrent":  {
                "auth_ref":  [
                    "r52"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_Liabilities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.",
                            "label":  "Other Liabilities, Noncurrent",
                            "terseLabel":  "Contingent consideration and other noncurrent liabilities"
                            }
                        }
                    },
                "localname":  "OtherLiabilitiesNoncurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherNonoperatingIncomeExpense":  {
                "auth_ref":  [
                    "r91"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of income (expense) related to nonoperating activities, classified as other.",
                            "label":  "Other Nonoperating Income (Expense)",
                            "terseLabel":  "Other"
                            }
                        }
                    },
                "localname":  "OtherNonoperatingIncomeExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_OtherNonoperatingIncomeExpenseAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Other Nonoperating Income (Expense) [Abstract]",
                            "terseLabel":  "Other income (expense):"
                            }
                        }
                    },
                "localname":  "OtherNonoperatingIncomeExpenseAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_OtherOperatingActivitiesCashFlowStatement":  {
                "auth_ref":  [
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  10.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).",
                            "label":  "Other Operating Activities, Cash Flow Statement",
                            "terseLabel":  "Other non-cash adjustments to income"
                            }
                        }
                    },
                "localname":  "OtherOperatingActivitiesCashFlowStatement",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PayablesAndAccrualsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Accrued Liabilities [Abstract]"
                            }
                        }
                    },
                "localname":  "PayablesAndAccrualsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities":  {
                "auth_ref":  [
                    "r102"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.",
                            "label":  "Payment for Contingent Consideration Liability, Financing Activities",
                            "negatedLabel":  "Payments of nContact contingent consideration amounts established in purchase accounting"
                            }
                        }
                    },
                "localname":  "PaymentForContingentConsiderationLiabilityFinancingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentForContingentConsiderationLiabilityOperatingActivities":  {
                "auth_ref":  [
                    "r105"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability exceeding amount recognized at acquisition date.  Includes, but is not limited to, measurement period adjustment and less amount paid soon after acquisition date.",
                            "label":  "Payment for Contingent Consideration Liability, Operating Activities",
                            "negatedLabel":  "Payment of nContact contingent consideration in excess of purchase accounting amount"
                            }
                        }
                    },
                "localname":  "PaymentForContingentConsiderationLiabilityOperatingActivities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsOfDebtIssuanceCosts":  {
                "auth_ref":  [
                    "r101"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  6.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.",
                            "label":  "Payments of Debt Issuance Costs",
                            "negatedNetLabel":  "Payments of debt fees"
                            }
                        }
                    },
                "localname":  "PaymentsOfDebtIssuanceCosts",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsOfStockIssuanceCosts":  {
                "auth_ref":  [
                    "r103"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow for cost incurred directly with the issuance of an equity security.",
                            "label":  "Payments of Stock Issuance Costs",
                            "terseLabel":  "Offering cost for sale of stock"
                            }
                        }
                    },
                "localname":  "PaymentsOfStockIssuanceCosts",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlowsParenthetical"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation":  {
                "auth_ref":  [
                    "r100"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  8.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.",
                            "label":  "Payments Related to Tax Withholding for Share-based Compensation",
                            "negatedLabel":  "Shares repurchased for payment of taxes on stock awards"
                            }
                        }
                    },
                "localname":  "PaymentsRelatedToTaxWithholdingForShareBasedCompensation",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquireAvailableForSaleSecurities":  {
                "auth_ref":  [
                    "r95",
                    "r219"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.",
                            "label":  "Payments to Acquire Available-for-sale Securities",
                            "negatedLabel":  "Purchases of available-for-sale securities"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquireAvailableForSaleSecurities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquireBusinessesGross":  {
                "auth_ref":  [
                    "r96",
                    "r441"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow associated with the acquisition of business during the period.  The cash portion only of the acquisition price.",
                            "label":  "Payments to Acquire Businesses, Gross",
                            "negatedLabel":  "Cash paid for SentreHEART business combination",
                            "verboseLabel":  "Cash payments to former shareholders"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquireBusinessesGross",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired":  {
                "auth_ref":  [
                    "r96"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureBusinessCombinationScheduleOfComponentsOfAggregatePurchasePriceDetails1":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_BusinessCombinationConsiderationTransferred1",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.",
                            "label":  "Payments to Acquire Businesses, Net of Cash Acquired",
                            "terseLabel":  "Cash"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquireBusinessesNetOfCashAcquired",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r97"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.",
                            "label":  "Payments to Acquire Property, Plant, and Equipment",
                            "negatedLabel":  "Purchases of property and equipment"
                            }
                        }
                    },
                "localname":  "PaymentsToAcquirePropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PerformanceSharesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Share-based payment arrangement awarded for meeting performance target.",
                            "label":  "Performance Shares [Member]",
                            "terseLabel":  "Performance Shares [Member]"
                            }
                        }
                    },
                "localname":  "PerformanceSharesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_PlanNameAxis":  {
                "auth_ref":  [
                    "r330",
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by plan name for share-based payment arrangement.",
                            "label":  "Plan Name [Axis]"
                            }
                        }
                    },
                "localname":  "PlanNameAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PlanNameDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Plan name for share-based payment arrangement.",
                            "label":  "Plan Name [Domain]",
                            "terseLabel":  "Plan Name [Domain]"
                            }
                        }
                    },
                "localname":  "PlanNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_PostemploymentBenefitsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Employee Benefit Plans [Abstract]"
                            }
                        }
                    },
                "localname":  "PostemploymentBenefitsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PrepaidExpenseAndOtherAssetsCurrent":  {
                "auth_ref":  [
                    "r5",
                    "r35",
                    "r36"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.",
                            "label":  "Prepaid Expense And Other Assets, Current",
                            "terseLabel":  "Prepaid and other current assets"
                            }
                        }
                    },
                "localname":  "PrepaidExpenseAndOtherAssetsCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PrimeRateMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Interest rate charged by financial institutions to their most creditworthy borrowers.",
                            "label":  "Prime Rate [Member]",
                            "terseLabel":  "Prime Rate [Member]"
                            }
                        }
                    },
                "localname":  "PrimeRateMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ProceedsFromIssuanceOfCommonStock":  {
                "auth_ref":  [
                    "r98"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash inflow from the additional capital contribution to the entity.",
                            "label":  "Proceeds from Issuance of Common Stock",
                            "verboseLabel":  "Proceeds from sale of stock, net of offering costs of $218, $0, $229"
                            }
                        }
                    },
                "localname":  "ProceedsFromIssuanceOfCommonStock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromIssuanceOfLongTermDebt":  {
                "auth_ref":  [
                    "r99"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.",
                            "label":  "Proceeds from Issuance of Long-term Debt",
                            "terseLabel":  "Proceeds from debt borrowings"
                            }
                        }
                    },
                "localname":  "ProceedsFromIssuanceOfLongTermDebt",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans":  {
                "auth_ref":  [
                    "r98",
                    "r361"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  9.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow from issuance of shares under share-based payment arrangement.  Excludes option exercised.",
                            "label":  "Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options",
                            "terseLabel":  "Proceeds from issuance of common stock under employee stock purchase plan"
                            }
                        }
                    },
                "localname":  "ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities":  {
                "auth_ref":  [
                    "r92",
                    "r93",
                    "r219"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
                            "label":  "Proceeds from Sale and Maturity of Available-for-sale Securities",
                            "terseLabel":  "Sales and maturities of available-for-sale securities"
                            }
                        }
                    },
                "localname":  "ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment":  {
                "auth_ref":  [
                    "r94"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInInvestingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.",
                            "label":  "Proceeds from Sale of Property, Plant, and Equipment",
                            "terseLabel":  "Proceeds from sale of property and equipment"
                            }
                        }
                    },
                "localname":  "ProceedsFromSaleOfPropertyPlantAndEquipment",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ProceedsFromStockOptionsExercised":  {
                "auth_ref":  [
                    "r98",
                    "r361"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  7.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInFinancingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of cash inflow from exercise of option under share-based payment arrangement.",
                            "label":  "Proceeds from Stock Options Exercised",
                            "terseLabel":  "Proceeds from stock option exercises and employee stock purchase plan"
                            }
                        }
                    },
                "localname":  "ProceedsFromStockOptionsExercised",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Property and Equipment [Abstract]"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization":  {
                "auth_ref":  [
                    "r256",
                    "r495",
                    "r502"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.",
                            "label":  "Finance Lease, Right-of-Use Asset, Accumulated Depreciation",
                            "negatedLabel":  "Finance Leases, Accumulated depreciation"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization":  {
                "auth_ref":  [
                    "r59",
                    "r257",
                    "r502"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.",
                            "label":  "Finance Lease, Right-of-Use Asset",
                            "totalLabel":  "Finance Leases, Property and equipment, net"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization":  {
                "auth_ref":  [
                    "r13",
                    "r255",
                    "r493"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.",
                            "label":  "Finance Lease, Right-of-Use Asset, Property Plant And Equipment",
                            "terseLabel":  "Finance Leases, Property and equipment, at cost"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentByTypeAxis":  {
                "auth_ref":  [
                    "r41",
                    "r257"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.",
                            "label":  "Property, Plant and Equipment, Type [Axis]"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentByTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock":  {
                "auth_ref":  [
                    "r259",
                    "r626",
                    "r627",
                    "r628"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale.  Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.",
                            "label":  "Property, Plant and Equipment Disclosure [Text Block]",
                            "terseLabel":  "Property and Equipment"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipment"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentGross":  {
                "auth_ref":  [
                    "r40",
                    "r255"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_PropertyPlantAndEquipmentNet",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale.  Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
                            "label":  "Property, Plant and Equipment, Gross",
                            "terseLabel":  "Property and equipment, gross",
                            "verboseLabel":  "Property and equipment, at cost"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentGross",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Property, Plant and Equipment [Line Items]",
                            "terseLabel":  "Property, Plant and Equipment [Line Items]"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentNet":  {
                "auth_ref":  [
                    "r13",
                    "r14",
                    "r257",
                    "r576"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails":  {
                        "order":  null,
                        "parentTag":  null,
                        "root":  true,
                        "weight":  null
                        },
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_Assets",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale.  Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
                            "label":  "Property, Plant and Equipment, Net",
                            "netLabel":  "Property and equipment, net",
                            "terseLabel":  "Net carrying value",
                            "totalLabel":  "Property, and equipment, net",
                            "verboseLabel":  "Property and equipment, net"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentNet",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalBalanceSheetInformationRelatedToLeasesDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails",
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock":  {
                "auth_ref":  [
                    "r39",
                    "r119",
                    "r257",
                    "r626",
                    "r627"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale.  Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.",
                            "label":  "Property, Plant and Equipment, Policy [Policy Text Block]",
                            "terseLabel":  "Property and Equipment"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentTextBlock":  {
                "auth_ref":  [
                    "r13",
                    "r257"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale.  Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.",
                            "label":  "Property, Plant and Equipment [Table Text Block]",
                            "terseLabel":  "Summary Of Property And Equipment"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentTypeDomain":  {
                "auth_ref":  [
                    "r13",
                    "r255"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.  Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.",
                            "label":  "Property Plant And Equipment Type [Domain]",
                            "terseLabel":  "Property, Plant and Equipment, Type [Domain]"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentTypeDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_PropertyPlantAndEquipmentUsefulLife":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.  Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.",
                            "label":  "Property, Plant and Equipment, Useful Life",
                            "verboseLabel":  "Estimated Useful Life"
                            }
                        }
                    },
                "localname":  "PropertyPlantAndEquipmentUsefulLife",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_QuarterlyFinancialInformationDisclosureAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Selected Quarterly Financial Data [Abstract]"
                            }
                        }
                    },
                "localname":  "QuarterlyFinancialInformationDisclosureAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_QuarterlyFinancialInformationTextBlock":  {
                "auth_ref":  [
                    "r163"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for quarterly financial data.  Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information.",
                            "label":  "Quarterly Financial Information [Text Block]",
                            "terseLabel":  "Selected Quarterly Financial Data"
                            }
                        }
                    },
                "localname":  "QuarterlyFinancialInformationTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialData"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax":  {
                "auth_ref":  [
                    "r68",
                    "r69",
                    "r77",
                    "r480",
                    "r484",
                    "r486"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount after tax of reclassification adjustments of other comprehensive income (loss).",
                            "label":  "Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax",
                            "negatedLabel":  "Amounts reclassified from accumulated other comprehensive (loss) income to other income (expense)"
                            }
                        }
                    },
                "localname":  "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RelatedPartyDomain":  {
                "auth_ref":  [
                    "r316",
                    "r511",
                    "r512"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families.  It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
                            "label":  "Related Party [Domain]",
                            "terseLabel":  "Related Party [Domain]"
                            }
                        }
                    },
                "localname":  "RelatedPartyDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis":  {
                "auth_ref":  [
                    "r316",
                    "r511",
                    "r514",
                    "r538",
                    "r539",
                    "r540",
                    "r541",
                    "r542",
                    "r543",
                    "r544",
                    "r545",
                    "r546",
                    "r547",
                    "r548",
                    "r549"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of related party.  Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families.  It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
                            "label":  "Related Party [Axis]"
                            }
                        }
                    },
                "localname":  "RelatedPartyTransactionsByRelatedPartyAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RepurchaseAgreementsMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Investments represented by an agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price.  Such agreements are generally short-term in nature.",
                            "label":  "Repurchase Agreements [Member]",
                            "terseLabel":  "Repurchase Agreements [Member]"
                            }
                        }
                    },
                "localname":  "RepurchaseAgreementsMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ResearchAndDevelopmentExpense":  {
                "auth_ref":  [
                    "r377",
                    "r638"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_OperatingExpenses",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.",
                            "label":  "Research and Development Expense",
                            "terseLabel":  "Research and development expenses"
                            }
                        }
                    },
                "localname":  "ResearchAndDevelopmentExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ResearchAndDevelopmentExpenseMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Primary financial statement caption in which the reported facts about research and development expense have been included.",
                            "label":  "Research And Development Expense [Member]",
                            "terseLabel":  "Research and Development Expenses [Member]"
                            }
                        }
                    },
                "localname":  "ResearchAndDevelopmentExpenseMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ResearchAndDevelopmentExpensePolicy":  {
                "auth_ref":  [
                    "r119",
                    "r377"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process.",
                            "label":  "Research and Development Expense, Policy [Policy Text Block]",
                            "terseLabel":  "Research and Development Costs"
                            }
                        }
                    },
                "localname":  "ResearchAndDevelopmentExpensePolicy",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_RestrictedStockMember":  {
                "auth_ref":  [
                    "r159"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.",
                            "label":  "Restricted Stock [Member]",
                            "terseLabel":  "Restricted Stock [Member]"
                            }
                        }
                    },
                "localname":  "RestrictedStockMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RetainedEarningsAccumulatedDeficit":  {
                "auth_ref":  [
                    "r23",
                    "r273",
                    "r370",
                    "r574",
                    "r593",
                    "r598"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_StockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
                            "label":  "Retained Earnings (Accumulated Deficit)",
                            "terseLabel":  "Accumulated deficit"
                            }
                        }
                    },
                "localname":  "RetainedEarningsAccumulatedDeficit",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RetainedEarningsMember":  {
                "auth_ref":  [
                    "r137",
                    "r138",
                    "r139",
                    "r143",
                    "r151",
                    "r153",
                    "r227",
                    "r366",
                    "r367",
                    "r368",
                    "r408",
                    "r409",
                    "r589",
                    "r591"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
                            "label":  "Retained Earnings [Member]",
                            "terseLabel":  "Accumulated Deficit [Member]"
                            }
                        }
                    },
                "localname":  "RetainedEarningsMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Revenue [Abstract]"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax":  {
                "auth_ref":  [
                    "r182",
                    "r183",
                    "r189",
                    "r194",
                    "r195",
                    "r201",
                    "r202",
                    "r206",
                    "r290",
                    "r291",
                    "r529"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_GrossProfit",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer.  Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.",
                            "label":  "Revenue from Contract with Customer, Excluding Assessed Tax",
                            "netLabel":  "Revenue",
                            "terseLabel":  "Revenue recognized from contracts with customers",
                            "verboseLabel":  "Revenue"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerExcludingAssessedTax",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails",
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails",
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock":  {
                "auth_ref":  [
                    "r120",
                    "r282",
                    "r283",
                    "r284",
                    "r285",
                    "r286",
                    "r287",
                    "r288",
                    "r289",
                    "r304"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for revenue from contract with customer.",
                            "label":  "Revenue Recognition, Policy [Policy Text Block]",
                            "terseLabel":  "Revenue Recognition"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerPolicyTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_RevenueFromContractWithCustomerTextBlock":  {
                "auth_ref":  [
                    "r274",
                    "r275",
                    "r276",
                    "r277",
                    "r278",
                    "r279",
                    "r280",
                    "r281",
                    "r292",
                    "r304"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset.  Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer.  Excludes insurance and lease contracts.",
                            "label":  "Revenue from Contract with Customer [Text Block]",
                            "terseLabel":  "Revenue"
                            }
                        }
                    },
                "localname":  "RevenueFromContractWithCustomerTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureRevenue"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock":  {
                "auth_ref":  [
                    "r204"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.",
                            "label":  "Revenue from External Customers by Geographic Areas [Table Text Block]",
                            "terseLabel":  "Revenue By Geographic Area"
                            }
                        }
                    },
                "localname":  "RevenueFromExternalCustomersByGeographicAreasTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Revenues from External Customers and Long-Lived Assets [Line Items]"
                            }
                        }
                    },
                "localname":  "RevenuesFromExternalCustomersAndLongLivedAssetsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RevolvingCreditFacilityMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.",
                            "label":  "Revolving Credit Facility [Member]",
                            "terseLabel":  "Revolving Credit Facility [Member]"
                            }
                        }
                    },
                "localname":  "RevolvingCreditFacilityMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability":  {
                "auth_ref":  [
                    "r505",
                    "r510"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in right-of-use asset obtained in exchange for finance lease liability.",
                            "label":  "Right-of-Use Asset Obtained in Exchange for Finance Lease Liability",
                            "terseLabel":  "Finance Leases"
                            }
                        }
                    },
                "localname":  "RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability":  {
                "auth_ref":  [
                    "r505",
                    "r510"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.",
                            "label":  "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability",
                            "terseLabel":  "Operating Leases"
                            }
                        }
                    },
                "localname":  "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_RisksAndUncertaintiesAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Concentrations [Abstract]"
                            }
                        }
                    },
                "localname":  "RisksAndUncertaintiesAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_RoyaltyExpense":  {
                "auth_ref":  [
                    "r87"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.",
                            "label":  "Royalty Expense",
                            "terseLabel":  "Royalty expense"
                            }
                        }
                    },
                "localname":  "RoyaltyExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SalesReturnsAndAllowancesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "A revision in the estimated reserve needed for product returns and price or other concessions granted to customers.",
                            "label":  "Sales Returns And Allowances [Member]",
                            "terseLabel":  "Reserve For Sales Returns And Allowances [Member]"
                            }
                        }
                    },
                "localname":  "SalesReturnsAndAllowancesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_SalesRevenueNetMember":  {
                "auth_ref":  [
                    "r172",
                    "r206"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Revenue from sale of product and rendering of service and other sources of income, when it serves as benchmark in concentration of risk calculation.",
                            "label":  "Sales Revenue Net [Member]",
                            "terseLabel":  "Net Revenue [Member]"
                            }
                        }
                    },
                "localname":  "SalesRevenueNetMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureConcentrationsNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ScenarioPlanMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The scenario under which facts represent plans as distinct from actual.",
                            "label":  "Scenario Plan [Member]",
                            "terseLabel":  "Scenario, Plan [Member]"
                            }
                        }
                    },
                "localname":  "ScenarioPlanMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of accrued liabilities.",
                            "label":  "Schedule of Accrued Liabilities [Table Text Block]",
                            "terseLabel":  "Accrued Liabilities"
                            }
                        }
                    },
                "localname":  "ScheduleOfAccruedLiabilitiesTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock":  {
                "auth_ref":  [
                    "r68",
                    "r485",
                    "r486"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of accumulated other comprehensive income (loss).",
                            "label":  "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]",
                            "terseLabel":  "Accumulated Other Comprehensive Income (Loss)"
                            }
                        }
                    },
                "localname":  "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.",
                            "label":  "Schedule of Available-for-sale Securities Reconciliation [Table Text Block]",
                            "terseLabel":  "Summary of Short-term Investments"
                            }
                        }
                    },
                "localname":  "ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestmentsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable":  {
                "auth_ref":  [
                    "r430",
                    "r431"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule reflecting each material business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities.",
                            "label":  "Schedule of Business Acquisitions, by Acquisition [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfBusinessAcquisitionsByAcquisitionTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsScheduleOfComponentsOfAggregatePurchasePriceDetails",
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of supplemental cash flow information for the periods presented.",
                            "label":  "Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]",
                            "terseLabel":  "Summary Of Supplemental Cash Flow Information Related To Leases"
                            }
                        }
                    },
                "localname":  "ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureLeasesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock":  {
                "auth_ref":  [
                    "r404"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.",
                            "label":  "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]",
                            "terseLabel":  "Summary Of Company's Provision for Income Taxes"
                            }
                        }
                    },
                "localname":  "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock":  {
                "auth_ref":  [
                    "r396"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.",
                            "label":  "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]",
                            "terseLabel":  "Summary of Detail of Deferred Tax Assets and Liabilities"
                            }
                        }
                    },
                "localname":  "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock":  {
                "auth_ref":  [
                    "r383"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.",
                            "label":  "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]",
                            "terseLabel":  "Summary Of Difference Between Effective Income Tax Rates and Federal Statutory Rate"
                            }
                        }
                    },
                "localname":  "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable":  {
                "auth_ref":  [
                    "r328",
                    "r355",
                    "r372"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about amount recognized for award under share-based payment arrangement.  Includes, but is not limited to, amount expensed in statement of income or comprehensive income, amount capitalized in statement of financial position, and corresponding reporting line item in financial statements.",
                            "label":  "Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]",
                            "terseLabel":  "Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock":  {
                "auth_ref":  [
                    "r328",
                    "r355",
                    "r372"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position.  Includes, but is not limited to, corresponding line item in financial statement.",
                            "label":  "Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]",
                            "terseLabel":  "Share-Based Compensation Expense Related To Employee Share-Based Compensation"
                            }
                        }
                    },
                "localname":  "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable":  {
                "auth_ref":  [
                    "r201"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular presentation of the description and amount of revenues from a product or service, or a group of similar products or similar services, reported from external customers during the period, if the information is not provided as part of the reportable operating segment information.",
                            "label":  "Revenue from External Customers by Products and Services [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByProductTypeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock":  {
                "auth_ref":  [
                    "r201"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.",
                            "label":  "Revenue from External Customers by Products and Services [Table Text Block]",
                            "terseLabel":  "Revenue By Product Type"
                            }
                        }
                    },
                "localname":  "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock":  {
                "auth_ref":  [
                    "r459",
                    "r460"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis.  The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).",
                            "label":  "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]",
                            "terseLabel":  "Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis"
                            }
                        }
                    },
                "localname":  "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable":  {
                "auth_ref":  [
                    "r244",
                    "r248",
                    "r530"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
                            "label":  "Schedule of Finite-Lived Intangible Assets [Table]",
                            "terseLabel":  "Schedule of Finite-Lived Intangible Assets [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfFiniteLivedIntangibleAssetsTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillCompanySIntangibleAssetsDetails",
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock":  {
                "auth_ref":  [
                    "r244",
                    "r248"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.",
                            "label":  "Schedule of Finite-Lived Intangible Assets [Table Text Block]",
                            "terseLabel":  "Company's Intangible Assets"
                            }
                        }
                    },
                "localname":  "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfGoodwillTextBlock":  {
                "auth_ref":  [
                    "r240",
                    "r241"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.",
                            "label":  "Schedule of Goodwill [Table Text Block]",
                            "terseLabel":  "Summary Of Company's Goodwill"
                            }
                        }
                    },
                "localname":  "ScheduleOfGoodwillTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfInventoryCurrentTableTextBlock":  {
                "auth_ref":  [
                    "r11",
                    "r32",
                    "r33",
                    "r34"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
                            "label":  "Schedule of Inventory, Current [Table Text Block]",
                            "terseLabel":  "Summary Of Inventories"
                            }
                        }
                    },
                "localname":  "ScheduleOfInventoryCurrentTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInventoriesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock":  {
                "auth_ref":  [
                    "r268"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of maturity and sinking fund requirement for long-term debt.",
                            "label":  "Schedule of Maturities of Long-term Debt [Table Text Block]",
                            "terseLabel":  "Future Maturities On Debt"
                            }
                        }
                    },
                "localname":  "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable":  {
                "auth_ref":  [
                    "r41",
                    "r257"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale.  Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.",
                            "label":  "Property, Plant and Equipment [Table]",
                            "terseLabel":  "Property, Plant and Equipment [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfPropertyPlantAndEquipmentTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentNarrativeDetails",
                    "http://www.atricure.com/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock":  {
                "auth_ref":  [
                    "r162"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of quarterly financial data.  Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.",
                            "label":  "Schedule of Quarterly Financial Information [Table Text Block]",
                            "terseLabel":  "Schedule of Quarterly Financial Information"
                            }
                        }
                    },
                "localname":  "ScheduleOfQuarterlyFinancialInformationTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSelectedQuarterlyFinancialDataTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock":  {
                "auth_ref":  [
                    "r434"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed.  May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree.",
                            "label":  "Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]",
                            "terseLabel":  "Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed"
                            }
                        }
                    },
                "localname":  "ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable":  {
                "auth_ref":  [
                    "r79",
                    "r205"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule of material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material.  An entity may also provide subtotals of geographic information about groups of countries.",
                            "label":  "Schedule of Revenues from External Customers and Long-Lived Assets [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationRevenueByGeographicAreaDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock":  {
                "auth_ref":  [
                    "r340",
                    "r344",
                    "r347"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of activity for award under share-based payment arrangement.  Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.",
                            "label":  "Share-based Compensation, Activity [Table Text Block]",
                            "terseLabel":  "Activity Under Stock Based Compensation Plans"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedCompensationActivityTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable":  {
                "auth_ref":  [
                    "r330",
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of information about share-based payment arrangement.",
                            "label":  "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]",
                            "terseLabel":  "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable":  {
                "auth_ref":  [
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Details comprising a table providing supplementary information on outstanding and exercisable share awards as of the balance sheet date which stratifies outstanding options by ranges of exercise prices.",
                            "label":  "Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]",
                            "terseLabel":  "Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock":  {
                "auth_ref":  [
                    "r349"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.",
                            "label":  "Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]",
                            "terseLabel":  "Assumptions Used for Determining Fair Value of Options"
                            }
                        }
                    },
                "localname":  "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock":  {
                "auth_ref":  [
                    "r391",
                    "r405"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the change in unrecognized tax benefits.",
                            "label":  "Schedule Of Federal And State Unrecognized Tax Benefits Reconciliation [Table Text Block]",
                            "terseLabel":  "Summary Of Reconciliation of Change in Federal and State Unrecognized Tax Benefits"
                            }
                        }
                    },
                "localname":  "ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock":  {
                "auth_ref":  [
                    "r248"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.",
                            "label":  "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]",
                            "terseLabel":  "Future Amortization Expense Related To Intangible Assets With Definite Lives"
                            }
                        }
                    },
                "localname":  "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIntangibleAssetsAndGoodwillTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SegmentReportingAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Segment and Geographic Information [Abstract]"
                            }
                        }
                    },
                "localname":  "SegmentReportingAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SegmentReportingDisclosureTextBlock":  {
                "auth_ref":  [
                    "r179",
                    "r180",
                    "r181",
                    "r187",
                    "r188",
                    "r193",
                    "r197",
                    "r198",
                    "r199",
                    "r200",
                    "r201",
                    "r205",
                    "r206",
                    "r207"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The entire disclosure for reporting segments including data and tables.  Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
                            "label":  "Segment Reporting Disclosure [Text Block]",
                            "terseLabel":  "Segment and Geographic Information"
                            }
                        }
                    },
                "localname":  "SegmentReportingDisclosureTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformation"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_SellingGeneralAndAdministrativeExpense":  {
                "auth_ref":  [
                    "r88"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_OperatingExpenses",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses.  Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products.  Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges.  General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.",
                            "label":  "Selling, General and Administrative Expense",
                            "terseLabel":  "Selling, general and administrative expenses"
                            }
                        }
                    },
                "localname":  "SellingGeneralAndAdministrativeExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SellingGeneralAndAdministrativeExpensesMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Primary financial statement caption encompassing selling, general and administrative expense.",
                            "label":  "Selling General And Administrative Expenses [Member]",
                            "terseLabel":  "Selling, General and Administrative Expenses [Member]"
                            }
                        }
                    },
                "localname":  "SellingGeneralAndAdministrativeExpensesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShareBasedCompensation":  {
                "auth_ref":  [
                    "r110"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_NetCashProvidedByUsedInOperatingActivities",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of noncash expense for share-based payment arrangement.",
                            "label":  "Share-based Compensation",
                            "terseLabel":  "Share-based compensation expense"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensation",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1":  {
                "auth_ref":  [
                    "r331"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.  Includes, but is not limited to, combination of market, performance or service condition.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period",
                            "terseLabel":  "Vesting period"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate":  {
                "auth_ref":  [
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Discount rate from fair value on purchase date that participants pay for shares.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date",
                            "terseLabel":  "Company's common stock may be purchased at a discount"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod":  {
                "auth_ref":  [
                    "r339"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period",
                            "negatedLabel":  "Forfeited, Number of Shares Outstanding"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r343"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Forfeited, Weighted Average Grant Date Fair Value"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod":  {
                "auth_ref":  [
                    "r342"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
                            "terseLabel":  "Awarded, Number of Shares Outstanding"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r342"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Awarded, Weighted Average Grant Date Fair Value",
                            "verboseLabel":  "Weighted average estimated grant date fair value per share of the restricted stock granted"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber":  {
                "auth_ref":  [
                    "r341"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number",
                            "periodEndLabel":  "Ending balance, Number of Shares Outstanding",
                            "periodStartLabel":  "Beginning balance, Number of Shares Outstanding"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r341"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement.  Excludes share and unit options.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value",
                            "periodEndLabel":  "Ending balance, Weighted Average Grant Date Fair Value",
                            "periodStartLabel":  "Beginning balance, Weighted Average Grant Date Fair Value"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue":  {
                "auth_ref":  [
                    "r346"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value",
                            "terseLabel":  "Total fair value of restricted stock vested"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate":  {
                "auth_ref":  [
                    "r352"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate",
                            "terseLabel":  "Dividend yield"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate":  {
                "auth_ref":  [
                    "r351"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The estimated measure of the percentage by which a share price is expected to fluctuate during a period.  Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean.  The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period.  That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate",
                            "terseLabel":  "Range of expected volatility of stock",
                            "verboseLabel":  "Expected volatility of stock"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate":  {
                "auth_ref":  [
                    "r353"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The risk-free interest rate assumption that is used in valuing an option on its own shares.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate",
                            "terseLabel":  "Interest rate",
                            "verboseLabel":  "Range of risk-free interest rate"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate":  {
                "auth_ref":  [
                    "r351"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Rate of weighted-average expected volatility for award under share-based payment arrangement.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate",
                            "terseLabel":  "Weighted-average volatility"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]",
                            "terseLabel":  "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee":  {
                "auth_ref":  [
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The highest quantity of shares an employee can purchase under the plan per period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee",
                            "terseLabel":  "Participants purchase limit shares"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant":  {
                "auth_ref":  [
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant",
                            "verboseLabel":  "Shares available for future grants"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber":  {
                "auth_ref":  [
                    "r337"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number",
                            "terseLabel":  "Exercisable, Ending balance, Number of Shares Outstanding, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    "r337"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price",
                            "terseLabel":  "Exercisable, Ending balance, Weighted Average Exercise Price, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue":  {
                "auth_ref":  [
                    "r346"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value",
                            "terseLabel":  "Total intrinsic value of options exercised"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":  {
                "auth_ref":  [
                    "r339"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period",
                            "negatedLabel":  "Cancelled or forfeited, Number of Shares Outstanding, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Gross number of share options (or share units) granted during the period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross",
                            "terseLabel":  "Granted, Number of Shares Outstanding, Stock Options",
                            "verboseLabel":  "Options awarded"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":  {
                "auth_ref":  [
                    "r345"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value",
                            "terseLabel":  "Fair Value",
                            "verboseLabel":  "Weighted average estimated grant date fair value per share of the stock options granted"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock":  {
                "auth_ref":  [
                    "r345"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]",
                            "terseLabel":  "Weighted Average Estimated Grant Date Fair Value Per Share of Stock Options, Restricted Stock Granted, And Performance Awards"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansTables"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue":  {
                "auth_ref":  [
                    "r360"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value",
                            "terseLabel":  "Outstanding, Ending balance, Aggregate Intrinsic Value, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":  {
                "auth_ref":  [
                    "r336",
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of options outstanding, including both vested and non-vested options.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number",
                            "periodEndLabel":  "Ending balance, Number of Shares Outstanding, Stock Options",
                            "periodStartLabel":  "Beginning balance, Number of Shares Outstanding, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    "r335"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price",
                            "periodEndLabel":  "Ending balance, Weighted Average Exercise Price, Stock Options",
                            "periodStartLabel":  "Beginning balance, Weighted Average Exercise Price, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue":  {
                "auth_ref":  [
                    "r347"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding.  Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value",
                            "terseLabel":  "Vested and expected to vest, Aggregate Intrinsic Value, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber":  {
                "auth_ref":  [
                    "r348"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan.  Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number",
                            "terseLabel":  "Vested and expected to vest, Number of Shares Outstanding, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    "r348"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding.  Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price",
                            "terseLabel":  "Vested and expected to vest, Weighted Average Exercise Price, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms":  {
                "auth_ref":  [
                    "r357"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Description of modification of award under share-based payment arrangement.  Includes, but is not limited to, terms for expiration date, vesting rights and exercise price.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Description and Terms",
                            "terseLabel":  "Description of participants purchase limit"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost":  {
                "auth_ref":  [
                    "r358"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "An excess of the fair value of the modified award over the fair value of the award immediately before the modification.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost",
                            "terseLabel":  "Incremental compensation expenses"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain":  {
                "auth_ref":  [
                    "r327",
                    "r333"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Award under share-based payment arrangement.",
                            "label":  "Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]",
                            "terseLabel":  "Equity Award [Domain]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansShareBasedCompensationExpenseRelatedToEmployeeShareBasedCompensationDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansWeightedAverageEstimatedGrantDateFairValuePerShareOfStockOptionsRestrictedStockGrantedAndPerformanceAwardsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average price at which option holders acquired shares when converting their stock options into shares.",
                            "label":  "Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price",
                            "terseLabel":  "Exercised, Weighted Average Exercise Price, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.",
                            "label":  "Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price",
                            "terseLabel":  "Cancelled or forfeited, Weighted Average Exercise Price, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.",
                            "label":  "Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price",
                            "terseLabel":  "Granted, Weighted Average Exercise Price, Stock Options"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "perShareItemType"
                },
            "us-gaap_ShareBasedCompensationAwardTrancheOneMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "First portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
                            "label":  "Share Based Compensation Award Tranche One [Member]",
                            "terseLabel":  "Tranche 1 [Member]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationAwardTrancheOneMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShareBasedCompensationAwardTrancheThreeMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Third portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
                            "label":  "Share Based Compensation Award Tranche Three [Member]",
                            "terseLabel":  "Tranche 3 [Member]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationAwardTrancheThreeMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShareBasedCompensationAwardTrancheTwoMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Second portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
                            "label":  "Share Based Compensation Award Tranche Two [Member]",
                            "terseLabel":  "Tranche 2 [Member]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationAwardTrancheTwoMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy":  {
                "auth_ref":  [
                    "r119",
                    "r330",
                    "r334"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for award under share-based payment arrangement.  Includes, but is not limited to, methodology and assumption used in measuring cost.",
                            "label":  "Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]",
                            "terseLabel":  "Share-Based Compensation"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationOptionAndIncentivePlansPolicy",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]",
                            "terseLabel":  "Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]"
                            }
                        }
                    },
                "localname":  "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage":  {
                "auth_ref":  [
                    "r331"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Percentage of vesting of award under share-based payment arrangement.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage",
                            "terseLabel":  "Annual vesting percentage"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "percentItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod":  {
                "auth_ref":  [
                    "r332"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period",
                            "terseLabel":  "Expiry of options from the date of grant"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1":  {
                "auth_ref":  [
                    "r350",
                    "r371"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term",
                            "terseLabel":  "Contractual term (years)",
                            "verboseLabel":  "Range of expected life of stock option (years)"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansAssumptionsUsedForDeterminingFairValueOfOptionsDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1":  {
                "auth_ref":  [
                    "r360"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value",
                            "terseLabel":  "Exercisable, Ending balance, Aggregate Intrinsic Value, Stock Options"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1":  {
                "auth_ref":  [
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term",
                            "terseLabel":  "Exercisable, Ending balance, Weighted Average Remaining Contractual Term, Stock Options"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2":  {
                "auth_ref":  [
                    "r348"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term",
                            "terseLabel":  "Outstanding, Ending balance, Weighted Average Remaining Contractual Term, Stock Options"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1":  {
                "auth_ref":  [
                    "r348"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.  Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term",
                            "terseLabel":  "Vested and expected to vest, Weighted Average Remaining Contractual Term, Stock Options"
                            }
                        }
                    },
                "localname":  "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "durationItemType"
                },
            "us-gaap_SharesOutstanding":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares issued which are neither cancelled nor held in the treasury.",
                            "label":  "Shares, Outstanding",
                            "periodEndLabel":  "Ending Balance, Shares",
                            "periodStartLabel":  "Beginning Balance, Shares"
                            }
                        }
                    },
                "localname":  "SharesOutstanding",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_ShippingAndHandlingMember":  {
                "auth_ref":  [
                    "r293"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Packing and transport of product.",
                            "label":  "Shipping And Handling [Member]",
                            "terseLabel":  "Shipping and Handling [Member]"
                            }
                        }
                    },
                "localname":  "ShippingAndHandlingMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureRevenueNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ShortTermInvestments":  {
                "auth_ref":  [
                    "r16",
                    "r557",
                    "r558",
                    "r570"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  2.0,
                        "parentTag":  "us-gaap_AssetsCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.",
                            "label":  "Short-term Investments",
                            "terseLabel":  "Short-term investments"
                            }
                        }
                    },
                "localname":  "ShortTermInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StateAndLocalJurisdictionMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity.",
                            "label":  "State And Local Jurisdiction [Member]",
                            "terseLabel":  "State [Member]"
                            }
                        }
                    },
                "localname":  "StateAndLocalJurisdictionMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_StatementEquityComponentsAxis":  {
                "auth_ref":  [
                    "r55",
                    "r137",
                    "r138",
                    "r139",
                    "r143",
                    "r151",
                    "r153",
                    "r164",
                    "r227",
                    "r272",
                    "r273",
                    "r366",
                    "r367",
                    "r368",
                    "r408",
                    "r409",
                    "r480",
                    "r481",
                    "r482",
                    "r483",
                    "r484",
                    "r486",
                    "r589",
                    "r590",
                    "r591"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by component of equity.",
                            "label":  "Equity Components [Axis]"
                            }
                        }
                    },
                "localname":  "StatementEquityComponentsAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureBusinessCombinationsNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Statement [Line Items]",
                            "terseLabel":  "Statement [Line Items]"
                            }
                        }
                    },
                "localname":  "StatementLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationNarrativeDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementOfCashFlowsAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidated Statements of Cash Flows [Abstract]"
                            }
                        }
                    },
                "localname":  "StatementOfCashFlowsAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementOfFinancialPositionAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidated Balance Sheets [Abstract]"
                            }
                        }
                    },
                "localname":  "StatementOfFinancialPositionAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementOfStockholdersEquityAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Consolidated Statement of Stockholders' Equity [Abstract]"
                            }
                        }
                    },
                "localname":  "StatementOfStockholdersEquityAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StatementTable":  {
                "auth_ref":  [
                    "r137",
                    "r138",
                    "r139",
                    "r164",
                    "r529"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
                            "label":  "Statement [Table]",
                            "terseLabel":  "Statement [Table]"
                            }
                        }
                    },
                "localname":  "StatementTable",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureSegmentAndGeographicInformationNarrativeDetails",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StockIssued1":  {
                "auth_ref":  [
                    "r116",
                    "r117",
                    "r118"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The fair value of stock issued in noncash financing activities.",
                            "label":  "Stock Issued",
                            "terseLabel":  "Stock issuance in business combinations"
                            }
                        }
                    },
                "localname":  "StockIssued1",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans":  {
                "auth_ref":  [
                    "r19",
                    "r20",
                    "r272",
                    "r273"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of shares issued during the period as a result of an employee stock purchase plan.",
                            "label":  "Stock Issued During Period, Shares, Employee Stock Purchase Plans",
                            "terseLabel":  "Issuance of common stock under employee stock purchase plan, Shares"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockIssuedDuringPeriodSharesNewIssues":  {
                "auth_ref":  [
                    "r19",
                    "r20",
                    "r272",
                    "r273"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of new stock issued during the period.",
                            "label":  "Stock Issued During Period, Shares, New Issues",
                            "verboseLabel":  "Issuance of common stock through public offering, Shares"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesNewIssues",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation":  {
                "auth_ref":  [
                    "r19",
                    "r20",
                    "r272",
                    "r273"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number, after forfeiture, of shares or units issued under share-based payment arrangement.  Excludes shares or units issued under employee stock ownership plan (ESOP).",
                            "label":  "Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures",
                            "terseLabel":  "Impact of equity compensation plans, Shares"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesShareBasedCompensation",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised":  {
                "auth_ref":  [
                    "r19",
                    "r20",
                    "r272",
                    "r273",
                    "r338"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Number of share options (or share units) exercised during the current period.",
                            "label":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period",
                            "negatedLabel":  "Exercised, Number of Shares Outstanding, Stock Options"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesStockOptionsExercised",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansActivityUnderStockBasedCompensationPlansDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan":  {
                "auth_ref":  [
                    "r19",
                    "r20",
                    "r272",
                    "r273"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.",
                            "label":  "Stock Issued During Period, Value, Employee Stock Purchase Plan",
                            "terseLabel":  "Issuance of common stock under employee stock purchase plan"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueEmployeeStockPurchasePlan",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockIssuedDuringPeriodValueNewIssues":  {
                "auth_ref":  [
                    "r19",
                    "r20",
                    "r272",
                    "r273"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Equity impact of the value of new stock issued during the period.  Includes shares issued in an initial public offering or a secondary public offering.",
                            "label":  "Stock Issued During Period, Value, New Issues",
                            "terseLabel":  "Issuance of common stock through public offering"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueNewIssues",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation":  {
                "auth_ref":  [
                    "r19",
                    "r20",
                    "r273",
                    "r329",
                    "r345"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Value, after forfeiture, of shares issued under share-based payment arrangement.  Excludes employee stock ownership plan (ESOP).",
                            "label":  "Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures",
                            "terseLabel":  "Impact of equity compensation plans"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueShareBasedCompensation",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockholdersEquity":  {
                "auth_ref":  [
                    "r20",
                    "r25",
                    "r26",
                    "r121",
                    "r217",
                    "r223",
                    "r478"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets":  {
                        "order":  3.0,
                        "parentTag":  "us-gaap_LiabilitiesAndStockholdersEquity",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent.  The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest).  This excludes temporary equity and is sometimes called permanent equity.",
                            "label":  "Stockholders' Equity Attributable to Parent",
                            "periodEndLabel":  "Ending Balance",
                            "periodStartLabel":  "Beginning Balance",
                            "totalLabel":  "Total Stockholders' Equity"
                            }
                        }
                    },
                "localname":  "StockholdersEquity",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets",
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockholdersEquityAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Stockholders' Equity Attributable to Parent [Abstract]",
                            "terseLabel":  "Stockholders' Equity:"
                            }
                        }
                    },
                "localname":  "StockholdersEquityAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SummaryOfInvestmentHoldingsLineItems":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Line items represent financial concepts included in a table.  These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
                            "label":  "Summary of Investment Holdings [Line Items]"
                            }
                        }
                    },
                "localname":  "SummaryOfInvestmentHoldingsLineItems",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_SupplementalCashFlowInformationAbstract":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "label":  "Supplemental Cash Flow Information [Abstract]",
                            "terseLabel":  "Supplemental cash flow information:"
                            }
                        }
                    },
                "localname":  "SupplementalCashFlowInformationAbstract",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfCashFlows"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_TaxPeriodAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information about the period subject to enacted tax laws.",
                            "label":  "Tax Period [Axis]"
                            }
                        }
                    },
                "localname":  "TaxPeriodAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_TaxPeriodDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identified tax period.",
                            "label":  "Tax Period [Domain]",
                            "terseLabel":  "Tax Period [Domain]"
                            }
                        }
                    },
                "localname":  "TaxPeriodDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TaxYear2015Member":  {
                "auth_ref":  [
                    "r385"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identified as tax year 2015.",
                            "label":  "Tax Year2015 [Member]",
                            "terseLabel":  "Tax Year 2015 [Member]"
                            }
                        }
                    },
                "localname":  "TaxYear2015Member",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TaxYear2016Member":  {
                "auth_ref":  [
                    "r385"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Identified as tax year 2016.",
                            "label":  "Tax Year2016 [Member]",
                            "terseLabel":  "Tax Year 2016 [Member]"
                            }
                        }
                    },
                "localname":  "TaxYear2016Member",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TaxesPayableCurrent":  {
                "auth_ref":  [
                    "r46"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_AccruedLiabilitiesCurrent",
                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.  Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
                            "label":  "Taxes Payable, Current",
                            "terseLabel":  "Accrued taxes and value-added taxes payable"
                            }
                        }
                    },
                "localname":  "TaxesPayableCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureAccruedLiabilitiesAccruedLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TradeAndOtherAccountsReceivablePolicy":  {
                "auth_ref":  [
                    "r211",
                    "r212",
                    "r213",
                    "r214",
                    "r216",
                    "r218"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for accounts receivable.",
                            "label":  "Trade and Other Accounts Receivable, Policy [Policy Text Block]",
                            "terseLabel":  "Allowance for Credit Losses on Accounts Receivable"
                            }
                        }
                    },
                "localname":  "TradeAndOtherAccountsReceivablePolicy",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_TypeOfAdoptionMember":  {
                "auth_ref":  [
                    "r142",
                    "r143",
                    "r144",
                    "r146",
                    "r224",
                    "r225",
                    "r226",
                    "r227",
                    "r230",
                    "r231",
                    "r362",
                    "r363",
                    "r364",
                    "r365",
                    "r366",
                    "r367",
                    "r368",
                    "r370",
                    "r406",
                    "r407",
                    "r408",
                    "r409",
                    "r531",
                    "r532",
                    "r533",
                    "r587",
                    "r588",
                    "r589",
                    "r590",
                    "r591",
                    "r592",
                    "r593",
                    "r594",
                    "r595",
                    "r596",
                    "r597",
                    "r598"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amendment to accounting standards.",
                            "label":  "Type Of Adoption [Member]",
                            "terseLabel":  "Type of Adoption [Domain]"
                            }
                        }
                    },
                "localname":  "TypeOfAdoptionMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_USGovernmentAgenciesDebtSecuritiesMember":  {
                "auth_ref":  [
                    "r309",
                    "r565"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Debentures, notes, and other debt securities issued by US government agencies, for example, but not limited to, Government National Mortgage Association (GNMA or Ginnie Mae).  Excludes US treasury securities and debt issued by government-sponsored Enterprises (GSEs), for example, but is not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB).",
                            "label":  "U S Government Agencies Debt Securities [Member]",
                            "terseLabel":  "U.S.  Government And Agency Obligations [Member]"
                            }
                        }
                    },
                "localname":  "USGovernmentAgenciesDebtSecuritiesMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureFairValueFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails",
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_UndistributedEarningsOfForeignSubsidiaries":  {
                "auth_ref":  [
                    "r378",
                    "r424",
                    "r568",
                    "r599"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.",
                            "label":  "Undistributed Earnings of Foreign Subsidiaries",
                            "terseLabel":  "Undistributed earnings of foreign subsidiaries"
                            }
                        }
                    },
                "localname":  "UndistributedEarningsOfForeignSubsidiaries",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrealizedGainLossOnInvestments":  {
                "auth_ref":  [
                    "r111"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of unrealized gain (loss) on investment.",
                            "label":  "Unrealized Gain (Loss) on Investments",
                            "terseLabel":  "Short-term investment, Unrealized Gains (Losses)"
                            }
                        }
                    },
                "localname":  "UnrealizedGainLossOnInvestments",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureInvestmentsSummaryOfShortTermInvestmentsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefits":  {
                "auth_ref":  [
                    "r379",
                    "r387"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of unrecognized tax benefits.",
                            "label":  "Unrecognized Tax Benefits",
                            "periodEndLabel":  "Balance at the end of the year",
                            "periodStartLabel":  "Balance at the beginning of the year",
                            "terseLabel":  "Unrecognized tax benefits"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefits",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails",
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfReconciliationOfChangeInFederalAndStateUnrecognizedTaxBenefitsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions":  {
                "auth_ref":  [
                    "r388"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.",
                            "label":  "Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions",
                            "negatedLabel":  "Increases (decreases) for prior year tax positions"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfReconciliationOfChangeInFederalAndStateUnrecognizedTaxBenefitsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions":  {
                "auth_ref":  [
                    "r388"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.",
                            "label":  "Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions",
                            "terseLabel":  "Increases (decreases) for prior year tax positions"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfReconciliationOfChangeInFederalAndStateUnrecognizedTaxBenefitsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations":  {
                "auth_ref":  [
                    "r389"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.",
                            "label":  "Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations",
                            "terseLabel":  "Decreases related to statute lapse"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfReconciliationOfChangeInFederalAndStateUnrecognizedTaxBenefitsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate":  {
                "auth_ref":  [
                    "r390"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.",
                            "label":  "Unrecognized Tax Benefits that Would Impact Effective Tax Rate",
                            "terseLabel":  "Unrecognized tax benefits that would impact effective tax rate"
                            }
                        }
                    },
                "localname":  "UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_UseOfEstimates":  {
                "auth_ref":  [
                    "r166",
                    "r167",
                    "r168",
                    "r169",
                    "r175",
                    "r176",
                    "r177"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.",
                            "label":  "Use of Estimates, Policy [Policy Text Block]",
                            "terseLabel":  "Use of Estimates"
                            }
                        }
                    },
                "localname":  "UseOfEstimates",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies"
                    ],
                "xbrltype":  "textBlockItemType"
                },
            "us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount":  {
                "auth_ref":  [
                    "r396"
                    ],
                "calculation":  {
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails":  {
                        "order":  4.0,
                        "parentTag":  "us-gaap_DeferredIncomeTaxExpenseBenefit",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.",
                            "label":  "Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount",
                            "negatedNetLabel":  "Change in valuation allowance"
                            }
                        }
                    },
                "localname":  "ValuationAllowanceDeferredTaxAssetChangeInAmount",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIncomeTaxesSummaryOfCompanySProvisionForIncomeTaxesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember":  {
                "auth_ref":  [
                    "r134"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Valuation allowance of deferred tax asset attributable to deductible temporary difference and carryforward.",
                            "label":  "Valuation Allowance Of Deferred Tax Assets [Member]",
                            "terseLabel":  "Valuation Allowance For Deferred Tax Assets [Member]"
                            }
                        }
                    },
                "localname":  "ValuationAllowanceOfDeferredTaxAssetsMember",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ValuationAllowancesAndReservesBalance":  {
                "auth_ref":  [
                    "r127",
                    "r133"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of valuation and qualifying accounts and reserves.",
                            "label":  "Valuation Allowances and Reserves, Balance",
                            "periodEndLabel":  "Ending Balance",
                            "periodStartLabel":  "Beginning Balance"
                            }
                        }
                    },
                "localname":  "ValuationAllowancesAndReservesBalance",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense":  {
                "auth_ref":  [
                    "r130"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.",
                            "label":  "SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense",
                            "terseLabel":  "Additions"
                            }
                        }
                    },
                "localname":  "ValuationAllowancesAndReservesChargedToCostAndExpense",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts":  {
                "auth_ref":  [
                    "r131"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense.",
                            "label":  "SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account",
                            "terseLabel":  "Other"
                            }
                        }
                    },
                "localname":  "ValuationAllowancesAndReservesChargedToOtherAccounts",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ValuationAllowancesAndReservesDeductions":  {
                "auth_ref":  [
                    "r132"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Amount of decrease in valuation and qualifying accounts and reserves.",
                            "label":  "Valuation Allowances and Reserves, Deductions",
                            "terseLabel":  "Deductions"
                            }
                        }
                    },
                "localname":  "ValuationAllowancesAndReservesDeductions",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_ValuationAllowancesAndReservesDomain":  {
                "auth_ref":  [
                    "r127",
                    "r128",
                    "r129",
                    "r132",
                    "r133"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Valuation and qualifying accounts and reserves.",
                            "label":  "Valuation Allowances And Reserves [Domain]",
                            "terseLabel":  "SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]"
                            }
                        }
                    },
                "localname":  "ValuationAllowancesAndReservesDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_ValuationAllowancesAndReservesTypeAxis":  {
                "auth_ref":  [
                    "r127",
                    "r128",
                    "r129",
                    "r132",
                    "r133"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by valuation and qualifying accounts and reserves.",
                            "label":  "SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]"
                            }
                        }
                    },
                "localname":  "ValuationAllowancesAndReservesTypeAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureScheduleIiScheduleOfValuationAndQualifyingAccountsDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_VariableRateAxis":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by type of variable rate.",
                            "label":  "Variable Rate [Axis]"
                            }
                        }
                    },
                "localname":  "VariableRateAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_VariableRateDomain":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.",
                            "label":  "Variable Rate [Domain]",
                            "terseLabel":  "Variable Rate [Domain]"
                            }
                        }
                    },
                "localname":  "VariableRateDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureIndebtednessNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_VestingAxis":  {
                "auth_ref":  [
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Information by vesting schedule of award under share-based payment arrangement.",
                            "label":  "Vesting [Axis]"
                            }
                        }
                    },
                "localname":  "VestingAxis",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_VestingDomain":  {
                "auth_ref":  [
                    "r360"
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Vesting schedule of award under share-based payment arrangement.",
                            "label":  "Vesting [Domain]",
                            "terseLabel":  "Vesting [Domain]"
                            }
                        }
                    },
                "localname":  "VestingDomain",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansEstimatedGrantDateFairValuePerShareOfPerformanceOptionsGrantedDetails",
                    "http://www.atricure.com/role/DisclosureEquityCompensationPlansNarrativeDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-us":  {
                        "role":  {
                            "documentation":  "Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).",
                            "label":  "Weighted Average Number of Shares Outstanding, Basic and Diluted",
                            "terseLabel":  "Weighted average shares outstanding \u2014 basic and diluted"
                            }
                        }
                    },
                "localname":  "WeightedAverageNumberOfShareOutstandingBasicAndDiluted",
                "nsuri":  "http://fasb.org/us-gaap/2020-01-31",
                "presentation":  [
                    "http://www.atricure.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss"
                    ],
                "xbrltype":  "sharesItemType"
                }
            },
        "unitCount":  5
        }
    },
"std_ref":  {
    "r0":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "205",
        "URI":  "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760"
        },
    "r1":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "205",
        "URI":  "http://asc.fasb.org/topic&trid=2122149"
        },
    "r10":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e7018-107765"
        },
    "r100":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585"
        },
    "r101":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585"
        },
    "r102":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585"
        },
    "r103":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585"
        },
    "r104":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585"
        },
    "r105":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(ee)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585"
        },
    "r106":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "24",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3521-108585"
        },
    "r107":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585"
        },
    "r108":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585"
        },
    "r109":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585"
        },
    "r11":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766"
        },
    "r110":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585"
        },
    "r111":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585"
        },
    "r112":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585"
        },
    "r113":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3044-108585"
        },
    "r114":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4273-108586"
        },
    "r115":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586"
        },
    "r116":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586"
        },
    "r117":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586"
        },
    "r118":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586"
        },
    "r119":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790"
        },
    "r12":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r120":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790"
        },
    "r121":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(g)(1)(ii))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r122":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08(h))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r123":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08.(e),(f))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r124":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08.(h)(1)(i))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r125":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.4-08.(h))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
        },
    "r126":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-04.(a))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690"
        },
    "r127":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(Column B))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r128":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(Column C(1)))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r129":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(Column C(2)))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r13":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(13))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r130":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(Column C)(1))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r131":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(Column C)(2))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r132":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(Column D))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r133":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(Column E))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r134":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09(ColumnA))",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r135":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.12-09)",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
        },
    "r136":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "235",
        "URI":  "http://asc.fasb.org/topic&trid=2122369"
        },
    "r137":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "23",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21914-107793"
        },
    "r138":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "24",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21930-107793"
        },
    "r139":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21711-107793"
        },
    "r14":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(14))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r140":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
        },
    "r141":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(1)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
        },
    "r142":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(2)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
        },
    "r143":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(3)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
        },
    "r144":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(4)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
        },
    "r145":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
        },
    "r146":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
        },
    "r147":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
        },
    "r148":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
        },
    "r149":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794"
        },
    "r15":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(19))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r150":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22595-107794"
        },
    "r151":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794"
        },
    "r152":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794"
        },
    "r153":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794"
        },
    "r154":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 11.M.Q2)",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=112272810&loc=d3e31137-122693"
        },
    "r155":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/extlink&oid=112272810&loc=SL108384541-122693"
        },
    "r156":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "250",
        "URI":  "http://asc.fasb.org/topic&trid=2122394"
        },
    "r157":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "60B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256"
        },
    "r158":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1337-109256"
        },
    "r159":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
        },
    "r16":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(2))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r160":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "260",
        "URI":  "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257"
        },
    "r161":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "270",
        "URI":  "http://asc.fasb.org/extlink&oid=116846552&loc=d3e543-108305"
        },
    "r162":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "270",
        "URI":  "http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306"
        },
    "r163":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "270",
        "URI":  "http://asc.fasb.org/topic&trid=2126967"
        },
    "r164":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "272",
        "URI":  "http://asc.fasb.org/extlink&oid=6828210&loc=d3e70191-108054"
        },
    "r165":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
        },
    "r166":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
        },
    "r167":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
        },
    "r168":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
        },
    "r169":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
        },
    "r17":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(20))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r170":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "16",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592"
        },
    "r171":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
        },
    "r172":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
        },
    "r173":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592"
        },
    "r174":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592"
        },
    "r175":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
        },
    "r176":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
        },
    "r177":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
        },
    "r178":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "275",
        "URI":  "http://asc.fasb.org/topic&trid=2134479"
        },
    "r179":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599"
        },
    "r18":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(22))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r180":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599"
        },
    "r181":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599"
        },
    "r182":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
        },
    "r183":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
        },
    "r184":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
        },
    "r185":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
        },
    "r186":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
        },
    "r187":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "22",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
        },
    "r188":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "26",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8844-108599"
        },
    "r189":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
        },
    "r19":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(28))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r190":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
        },
    "r191":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
        },
    "r192":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "30",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
        },
    "r193":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "31",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599"
        },
    "r194":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
        },
    "r195":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
        },
    "r196":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
        },
    "r197":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
        },
    "r198":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
        },
    "r199":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "32",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
        },
    "r2":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765"
        },
    "r20":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(29))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r200":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "34",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599"
        },
    "r201":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "40",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599"
        },
    "r202":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599"
        },
    "r203":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599"
        },
    "r204":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "a",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599"
        },
    "r205":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "41",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599"
        },
    "r206":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "42",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599"
        },
    "r207":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "280",
        "URI":  "http://asc.fasb.org/topic&trid=2134510"
        },
    "r208":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121593590&loc=d3e4647-111522"
        },
    "r209":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522"
        },
    "r21":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(3))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r210":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121593590&loc=d3e4531-111522"
        },
    "r211":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121611835&loc=d3e4975-111524"
        },
    "r212":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
        },
    "r213":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524"
        },
    "r214":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5033-111524"
        },
    "r215":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524"
        },
    "r216":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5093-111524"
        },
    "r217":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 4.E)",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707"
        },
    "r218":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "310",
        "URI":  "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534"
        },
    "r219":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=121553693&loc=d3e26853-111562"
        },
    "r22":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(30)(a)(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r220":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27405-111563"
        },
    "r221":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563"
        },
    "r222":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "320",
        "URI":  "http://asc.fasb.org/topic&trid=2196928"
        },
    "r223":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "323",
        "URI":  "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
        },
    "r224":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r225":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r226":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r227":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r228":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(1)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r229":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(2)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r23":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(30)(a)(3))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r230":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(3)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r231":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(4)",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
        },
    "r232":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "326",
        "URI":  "http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446"
        },
    "r233":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314"
        },
    "r234":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4556-108314"
        },
    "r235":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 5.BB)",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
        },
    "r236":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "330",
        "URI":  "http://asc.fasb.org/topic&trid=2126998"
        },
    "r237":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266"
        },
    "r238":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975"
        },
    "r239":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
        },
    "r24":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(30)(a)(4))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r240":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
        },
    "r241":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267"
        },
    "r242":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
        },
    "r243":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274"
        },
    "r244":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r245":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(d)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r246":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
        },
    "r247":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "((a)(1),(b))",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r248":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r249":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(1)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r25":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(30))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r250":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(2)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r251":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(3)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r252":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(d)",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
        },
    "r253":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "350",
        "URI":  "http://asc.fasb.org/topic&trid=2144416"
        },
    "r254":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r255":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r256":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r257":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
        },
    "r258":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
        },
    "r259":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "360",
        "URI":  "http://asc.fasb.org/topic&trid=2155823"
        },
    "r26":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(31))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r260":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(1)",
        "Topic":  "420",
        "URI":  "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
        },
    "r261":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "440",
        "URI":  "http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308"
        },
    "r262":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "440",
        "URI":  "http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308"
        },
    "r263":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "440",
        "URI":  "http://asc.fasb.org/topic&trid=2144648"
        },
    "r264":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "450",
        "URI":  "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349"
        },
    "r265":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "450",
        "URI":  "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349"
        },
    "r266":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "450",
        "URI":  "http://asc.fasb.org/topic&trid=2127136"
        },
    "r267":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=99376301&loc=SL5988623-112600"
        },
    "r268":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601"
        },
    "r269":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601"
        },
    "r27":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(32))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r270":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(3)",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870"
        },
    "r271":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "470",
        "URI":  "http://asc.fasb.org/topic&trid=2208564"
        },
    "r272":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644"
        },
    "r273":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.3-04)",
        "Topic":  "505",
        "URI":  "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770"
        },
    "r274":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045"
        },
    "r275":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045"
        },
    "r276":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045"
        },
    "r277":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045"
        },
    "r278":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045"
        },
    "r279":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045"
        },
    "r28":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(4)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r280":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)(2)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045"
        },
    "r281":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045"
        },
    "r282":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130561-203045"
        },
    "r283":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130563-203045"
        },
    "r284":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130563-203045"
        },
    "r285":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "19",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130564-203045"
        },
    "r286":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045"
        },
    "r287":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045"
        },
    "r288":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045"
        },
    "r289":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045"
        },
    "r29":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a)(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r290":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045"
        },
    "r291":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045"
        },
    "r292":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045"
        },
    "r293":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046"
        },
    "r294":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046"
        },
    "r295":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046"
        },
    "r296":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046"
        },
    "r297":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046"
        },
    "r298":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046"
        },
    "r299":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "91",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Subparagraph":  "(g)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046"
        },
    "r3":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765"
        },
    "r30":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a)(3))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r300":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(g)(2)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
        },
    "r301":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(i)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
        },
    "r302":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(i)(2)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
        },
    "r303":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(j)",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
        },
    "r304":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "606",
        "URI":  "http://asc.fasb.org/topic&trid=49130388"
        },
    "r305":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "710",
        "URI":  "http://asc.fasb.org/topic&trid=2127225"
        },
    "r306":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "712",
        "URI":  "http://asc.fasb.org/topic&trid=2197446"
        },
    "r307":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(3)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r308":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(i)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r309":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(ii)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r31":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a)(4))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r310":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(01)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r311":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r312":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)(A)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r313":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)(B)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r314":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(02)(C)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r315":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(d)(iv)(03)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r316":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(n)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
        },
    "r317":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920"
        },
    "r318":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921"
        },
    "r319":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "18",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921"
        },
    "r32":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r320":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(a)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947"
        },
    "r321":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(d)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
        },
    "r322":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(f)(3)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
        },
    "r323":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "80",
        "Subparagraph":  "(a)",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947"
        },
    "r324":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "80",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948"
        },
    "r325":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "715",
        "URI":  "http://asc.fasb.org/topic&trid=2235017"
        },
    "r326":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "35",
        "SubTopic":  "10",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121326096&loc=d3e4534-113899"
        },
    "r327":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
        },
    "r328":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
        },
    "r329":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
        },
    "r33":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(b))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r330":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
        },
    "r331":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r332":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r333":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a),(g)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r334":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b),(f)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r335":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r336":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(i)-(ii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r337":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(iii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r338":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(iv)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r339":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)(iv)(3)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r34":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(6)(c))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r340":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r341":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)(i)-(ii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r342":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)(iii)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r343":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)(iii)(3)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r344":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r345":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r346":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r347":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r348":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r349":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r35":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(7))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r350":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r351":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)(ii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r352":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)(iii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r353":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)(iv)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r354":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(g)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r355":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r356":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(1)(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r357":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(2)(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r358":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(2)(iii)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r359":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(i)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r36":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02(8))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r360":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
        },
    "r361":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120381028&loc=SL79508275-113901"
        },
    "r362":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r363":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r364":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r365":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r366":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r367":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r368":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(f)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r369":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(g)(1)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r37":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.1)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r370":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(g)(2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
        },
    "r371":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 14.D.2)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809"
        },
    "r372":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 14.F)",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809"
        },
    "r373":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120383193&loc=d3e11149-113907"
        },
    "r374":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/extlink&oid=120383193&loc=d3e11178-113907"
        },
    "r375":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "718",
        "URI":  "http://asc.fasb.org/topic&trid=2228938"
        },
    "r376":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "35",
        "Subparagraph":  "(a)",
        "Topic":  "720",
        "URI":  "http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848"
        },
    "r377":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "730",
        "URI":  "http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373"
        },
    "r378":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121573983&loc=d3e28200-109314"
        },
    "r379":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318"
        },
    "r38":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.12)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r380":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=120406818&loc=d3e32247-109318"
        },
    "r381":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=120406818&loc=d3e32280-109318"
        },
    "r382":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32672-109319"
        },
    "r383":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319"
        },
    "r384":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32705-109319"
        },
    "r385":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319"
        },
    "r386":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319"
        },
    "r387":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319"
        },
    "r388":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319"
        },
    "r389":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)(4)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319"
        },
    "r39":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.13(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r390":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319"
        },
    "r391":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319"
        },
    "r392":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319"
        },
    "r393":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "19",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319"
        },
    "r394":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319"
        },
    "r395":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319"
        },
    "r396":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319"
        },
    "r397":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32847-109319"
        },
    "r398":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32857-109319"
        },
    "r399":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319"
        },
    "r4":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765"
        },
    "r40":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.13)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r400":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319"
        },
    "r401":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319"
        },
    "r402":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319"
        },
    "r403":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319"
        },
    "r404":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "9",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319"
        },
    "r405":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "217",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=121610041&loc=d3e36027-109320"
        },
    "r406":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "740"
        },
    "r407":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "740"
        },
    "r408":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(2)",
        "Topic":  "740"
        },
    "r409":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(d)(3)",
        "Topic":  "740"
        },
    "r41":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.14)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r410":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(1)",
        "Topic":  "740"
        },
    "r411":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(2)",
        "Topic":  "740"
        },
    "r412":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Subparagraph":  "(e)(3)",
        "Topic":  "740"
        },
    "r413":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB TOPIC 6.I.5.Q1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
        },
    "r414":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB TOPIC 6.I.7)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
        },
    "r415":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.7)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
        },
    "r416":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.Fact.1)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
        },
    "r417":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.Fact.2)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
        },
    "r418":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.Fact.3)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
        },
    "r419":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 6.I.Fact.4)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
        },
    "r42":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.17)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r420":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 11.C)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817"
        },
    "r421":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=120385591&loc=d3e38679-109324"
        },
    "r422":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "270",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338"
        },
    "r423":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331"
        },
    "r424":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331"
        },
    "r425":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "740",
        "URI":  "http://asc.fasb.org/topic&trid=2144680"
        },
    "r426":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "23",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460"
        },
    "r427":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r428":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(2)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r429":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(h)(3)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r43":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r430":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
        },
    "r431":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463"
        },
    "r432":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "37",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464"
        },
    "r433":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472"
        },
    "r434":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472"
        },
    "r435":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "38",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=121598580&loc=d3e5504-128473"
        },
    "r436":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "30",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476"
        },
    "r437":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "30",
        "SubTopic":  "30",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477"
        },
    "r438":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "30",
        "SubTopic":  "30",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477"
        },
    "r439":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "35",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478"
        },
    "r44":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19(a),20,24)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r440":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r441":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)(1)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r442":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(b)(4)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r443":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(c)(1)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r444":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(c)(3)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479"
        },
    "r445":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Subparagraph":  "(a)(1)",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/extlink&oid=120321790&loc=d3e7008-128479"
        },
    "r446":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "805",
        "URI":  "http://asc.fasb.org/topic&trid=2303972"
        },
    "r447":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "19",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683"
        },
    "r448":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683"
        },
    "r449":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
        },
    "r45":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19(b),22(b))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r450":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "25",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
        },
    "r451":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684"
        },
    "r452":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(3)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
        },
    "r453":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c),(3)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
        },
    "r454":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bb)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685"
        },
    "r455":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685"
        },
    "r456":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "810",
        "URI":  "http://asc.fasb.org/topic&trid=2197479"
        },
    "r457":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959"
        },
    "r458":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "815",
        "URI":  "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959"
        },
    "r459":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r46":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19,20)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r460":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r461":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bb)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r462":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bbb)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r463":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bbb)(1)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r464":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(bbb)(2)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r465":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r466":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(1)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r467":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)(2)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r468":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
        },
    "r469":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258"
        },
    "r47":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.19-26)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r470":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258"
        },
    "r471":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258"
        },
    "r472":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "60",
        "SubTopic":  "10",
        "Topic":  "820",
        "URI":  "http://asc.fasb.org/extlink&oid=7493716&loc=d3e21868-110260"
        },
    "r473":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13279-108611"
        },
    "r474":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611"
        },
    "r475":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611"
        },
    "r476":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611"
        },
    "r477":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "21",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611"
        },
    "r478":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "825",
        "URI":  "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612"
        },
    "r479":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "230",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906"
        },
    "r48":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.20)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r480":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900"
        },
    "r481":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(a)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r482":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(b)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r483":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(c)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r484":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Subparagraph":  "(d)",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r485":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
        },
    "r486":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "30",
        "Topic":  "830",
        "URI":  "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
        },
    "r487":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
        },
    "r488":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399"
        },
    "r489":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399"
        },
    "r49":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.21)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r490":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "30",
        "Topic":  "835",
        "URI":  "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
        },
    "r491":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "Topic":  "840",
        "URI":  "http://asc.fasb.org/topic&trid=2208923"
        },
    "r492":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "10",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121329987&loc=SL77916155-209984"
        },
    "r493":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977"
        },
    "r494":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977"
        },
    "r495":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977"
        },
    "r496":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977"
        },
    "r497":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977"
        },
    "r498":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977"
        },
    "r499":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918666-209980"
        },
    "r5":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765"
        },
    "r50":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.22(a)(1))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r500":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)(1)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980"
        },
    "r501":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980"
        },
    "r502":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
        },
    "r503":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
        },
    "r504":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)(1)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
        },
    "r505":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)(2)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
        },
    "r506":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)(3)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
        },
    "r507":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(g)(4)",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
        },
    "r508":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
        },
    "r509":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980"
        },
    "r51":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.22)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r510":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "53",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "20",
        "Topic":  "842",
        "URI":  "http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971"
        },
    "r511":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
        },
    "r512":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(d)",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
        },
    "r513":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864"
        },
    "r514":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "850",
        "URI":  "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
        },
    "r515":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "855",
        "URI":  "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662"
        },
    "r516":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(bb)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r517":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(bb)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r518":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(bb)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r519":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r52":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.24)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r520":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r521":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(c)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
        },
    "r522":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(1)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
        },
    "r523":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(2)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
        },
    "r524":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Subparagraph":  "(b)(3)",
        "Topic":  "860",
        "URI":  "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
        },
    "r525":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "910",
        "URI":  "http://asc.fasb.org/extlink&oid=119991564&loc=SL119991595-234733"
        },
    "r526":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "350",
        "Subparagraph":  "(a)",
        "Topic":  "920",
        "URI":  "http://asc.fasb.org/extlink&oid=120155617&loc=SL120155628-234783"
        },
    "r527":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "350",
        "Subparagraph":  "(b)",
        "Topic":  "920",
        "URI":  "http://asc.fasb.org/extlink&oid=120155617&loc=SL120155628-234783"
        },
    "r528":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "350",
        "Subparagraph":  "(a)",
        "Topic":  "920",
        "URI":  "http://asc.fasb.org/extlink&oid=120155617&loc=SL120155638-234783"
        },
    "r529":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SAB Topic 11.L)",
        "Topic":  "924",
        "URI":  "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856"
        },
    "r53":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.25)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r530":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959"
        },
    "r531":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(a)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r532":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(b)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r533":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(c)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r534":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(f)(1)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r535":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(f)(2)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r536":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "20",
        "Subparagraph":  "(f)(3)",
        "Topic":  "926",
        "URI":  "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
        },
    "r537":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "340",
        "Topic":  "928",
        "URI":  "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004"
        },
    "r538":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
        },
    "r539":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
        },
    "r54":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.29)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r540":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
        },
    "r541":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "20",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
        },
    "r542":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
        },
    "r543":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "28",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
        },
    "r544":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "33",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
        },
    "r545":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "33",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
        },
    "r546":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "35A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(a)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
        },
    "r547":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "35A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(b)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
        },
    "r548":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(c)(1)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
        },
    "r549":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "235",
        "Subparagraph":  "(c)(2)",
        "Topic":  "932",
        "URI":  "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
        },
    "r55":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.29-31)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r550":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "25",
        "SubTopic":  "20",
        "Topic":  "940",
        "URI":  "http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953"
        },
    "r551":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "SubTopic":  "320",
        "Topic":  "940",
        "URI":  "http://asc.fasb.org/subtopic&trid=2176304"
        },
    "r552":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(10)(1))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r553":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(11))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r554":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(13))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r555":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(16))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r556":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(23))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r557":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(4))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r558":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03(5))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r559":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.9-03.17)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
        },
    "r56":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.6(a))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r560":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(15))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r561":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(22))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r562":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04(26))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r563":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.9-04.9)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
        },
    "r564":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "235",
        "Subparagraph":  "(SX 210.9-05(b)(2))",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884"
        },
    "r565":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "320",
        "Subparagraph":  "(b)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120252992&loc=d3e62557-112803"
        },
    "r566":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "320",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=120252992&loc=d3e62652-112803"
        },
    "r567":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "SubTopic":  "320",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/subtopic&trid=2209399"
        },
    "r568":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "740",
        "Subparagraph":  "(b)",
        "Topic":  "942",
        "URI":  "http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838"
        },
    "r569":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(16))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r57":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.6(b))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r570":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(1)(g))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r571":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(12))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r572":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(16))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r573":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(23)(a)(3))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r574":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(23)(a)(4))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r575":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(25))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r576":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03(a)(8))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r577":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "210",
        "Subparagraph":  "(SX 210.7-03.(a),19)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
        },
    "r578":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(18))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r579":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(22))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r58":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-02.9)",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r580":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(8))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r581":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "220",
        "Subparagraph":  "(SX 210.7-04(9))",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
        },
    "r582":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "4H",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "40",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
        },
    "r583":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7A",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "40",
        "Subparagraph":  "(d)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121643868&loc=SL117782755-158439"
        },
    "r584":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13H",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "40",
        "Subparagraph":  "(a)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121639165&loc=SL117783719-158441"
        },
    "r585":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13H",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "40",
        "Subparagraph":  "(b)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121639165&loc=SL117783719-158441"
        },
    "r586":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "29F",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "40",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121639165&loc=SL117819544-158441"
        },
    "r587":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(a)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r588":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(b)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r589":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(e)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r59":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX210.5-02(13))",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
        },
    "r590":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(f)(1)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r591":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(f)(2)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r592":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(1)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r593":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(i)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r594":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(ii)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r595":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(iii)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r596":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(g)(2)(iv)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r597":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(h)(1)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r598":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "65",
        "SubTopic":  "40",
        "Subparagraph":  "(h)(2)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
        },
    "r599":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "740",
        "Subparagraph":  "(b)",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556"
        },
    "r6":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6801-107765"
        },
    "r60":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
        },
    "r600":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "825",
        "Topic":  "944",
        "URI":  "http://asc.fasb.org/extlink&oid=99380617&loc=SL75241803-196195"
        },
    "r601":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "210",
        "Subparagraph":  "(b)",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841"
        },
    "r602":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12)",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611133-123010"
        },
    "r603":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column B)(Footnote 1))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r604":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column B)(Footnote 6))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r605":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column B)(Footnote 7))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r606":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column C)(Footnote 1))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r607":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column C)(Footnote 6))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r608":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column C)(Footnote 7))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r609":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column C))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r61":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a),(b),(c)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
        },
    "r610":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column D)(Footnote 1))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r611":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column D)(Footnote 6))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r612":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B(Column D)(Footnote 7))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r613":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "3",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-12B)",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010"
        },
    "r614":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5D",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-13D(Column B)(Footnote 2))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=SL120429264-123010"
        },
    "r615":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5D",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-13D(Column C)(Footnote 2))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=SL120429264-123010"
        },
    "r616":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5D",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-13D(Column C))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=SL120429264-123010"
        },
    "r617":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5D",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-13D)",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=SL120429264-123010"
        },
    "r618":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-14)",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611322-123010"
        },
    "r619":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-15(Column A))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611379-123010"
        },
    "r62":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(e)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
        },
    "r620":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-15(Column B))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611379-123010"
        },
    "r621":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-15(Column C))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611379-123010"
        },
    "r622":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "320",
        "Subparagraph":  "(SX 210.12-15(Column D))",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/extlink&oid=120401592&loc=d3e611379-123010"
        },
    "r623":  {
        "Name":  "Accounting Standards Codification",
        "Publisher":  "FASB",
        "SubTopic":  "320",
        "Topic":  "946",
        "URI":  "http://asc.fasb.org/subtopic&trid=2324412"
        },
    "r624":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "310",
        "Subparagraph":  "(SX 210.12-29(Footnote 4))",
        "Topic":  "948",
        "URI":  "http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014"
        },
    "r625":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "740",
        "Topic":  "954",
        "URI":  "http://asc.fasb.org/extlink&oid=6491622&loc=d3e9504-115650"
        },
    "r626":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "360",
        "Subparagraph":  "(d)",
        "Topic":  "958",
        "URI":  "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916"
        },
    "r627":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "360",
        "Topic":  "958",
        "URI":  "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916"
        },
    "r628":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "7",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "360",
        "Topic":  "958",
        "URI":  "http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916"
        },
    "r629":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column B))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r63":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(f)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
        },
    "r630":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column C))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r631":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column D))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r632":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column E))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r633":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column F))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r634":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column G))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r635":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column H))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r636":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Column I))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r637":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "360",
        "Subparagraph":  "(SX 210.12-28(Footnote 2))",
        "Topic":  "970",
        "URI":  "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
        },
    "r638":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "20",
        "Topic":  "985",
        "URI":  "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756"
        },
    "r639":  {
        "Name":  "Exchange Act",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "b"
        },
    "r64":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(h)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
        },
    "r640":  {
        "Name":  "Exchange Act",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "b-23"
        },
    "r641":  {
        "Name":  "Exchange Act",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "d1-1"
        },
    "r642":  {
        "Name":  "Form 10-K",
        "Number":  "249",
        "Publisher":  "SEC",
        "Section":  "310"
        },
    "r643":  {
        "Name":  "Form 20-F",
        "Number":  "249",
        "Publisher":  "SEC",
        "Section":  "220",
        "Subsection":  "f"
        },
    "r644":  {
        "Name":  "Form 40-F",
        "Number":  "249",
        "Publisher":  "SEC",
        "Section":  "240",
        "Subsection":  "f"
        },
    "r645":  {
        "Name":  "Forms 10-K, 10-Q, 20-F",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "13",
        "Subsection":  "a-1"
        },
    "r646":  {
        "Name":  "Regulation 12B",
        "Number":  "240",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "b-2"
        },
    "r647":  {
        "Name":  "Regulation S-T",
        "Number":  "232",
        "Publisher":  "SEC",
        "Section":  "405"
        },
    "r648":  {
        "Name":  "Regulation S-X (SX)",
        "Number":  "210",
        "Publisher":  "SEC",
        "Section":  "11",
        "Subsection":  "03"
        },
    "r649":  {
        "Footnote":  "2",
        "Name":  "Regulation S-X (SX)",
        "Number":  "210",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "28"
        },
    "r65":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "10A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
        },
    "r650":  {
        "Footnote":  "4",
        "Name":  "Regulation S-X (SX)",
        "Number":  "210",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "29"
        },
    "r651":  {
        "Name":  "Regulation S-X (SX)",
        "Number":  "210",
        "Publisher":  "SEC",
        "Section":  "12",
        "Subsection":  "09"
        },
    "r66":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580"
        },
    "r67":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=d3e681-108580"
        },
    "r68":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580"
        },
    "r69":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "17B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL34724394-108580"
        },
    "r7":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6904-107765"
        },
    "r70":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580"
        },
    "r71":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580"
        },
    "r72":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1A",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580"
        },
    "r73":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580"
        },
    "r74":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1B",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580"
        },
    "r75":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "5",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121641772&loc=d3e557-108580"
        },
    "r76":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "1",
        "Publisher":  "FASB",
        "Section":  "50",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=116657188&loc=SL116659661-227067"
        },
    "r77":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "15",
        "Publisher":  "FASB",
        "Section":  "55",
        "SubTopic":  "10",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=121640130&loc=d3e1436-108581"
        },
    "r78":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(210.5-03(11))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r79":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(1))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r8":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "6",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6911-107765"
        },
    "r80":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(10))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r81":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(20))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r82":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(24))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r83":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03(8))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r84":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.1,2)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r85":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.2(a),(d))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r86":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.2)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r87":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.3)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r88":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.4)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r89":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.7(b))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r9":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "8",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "210",
        "URI":  "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6935-107765"
        },
    "r90":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.7(c),9(a))",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r91":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "2",
        "Publisher":  "FASB",
        "Section":  "S99",
        "SubTopic":  "10",
        "Subparagraph":  "(SX 210.5-03.9)",
        "Topic":  "220",
        "URI":  "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
        },
    "r92":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "11",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3151-108585"
        },
    "r93":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585"
        },
    "r94":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "12",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585"
        },
    "r95":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a),(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585"
        },
    "r96":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585"
        },
    "r97":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "13",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(c)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585"
        },
    "r98":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(a)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585"
        },
    "r99":  {
        "Name":  "Accounting Standards Codification",
        "Paragraph":  "14",
        "Publisher":  "FASB",
        "Section":  "45",
        "SubTopic":  "10",
        "Subparagraph":  "(b)",
        "Topic":  "230",
        "URI":  "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585"
        }
    },
"version":  "2.1"
}


4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/16/24  AtriCure, Inc.                    10-K       12/31/23  102:10M
 2/22/23  AtriCure, Inc.                    10-K       12/31/22   99:19M
 2/17/22  AtriCure, Inc.                    10-K       12/31/21  101:19M
 4/28/21  AtriCure, Inc.                    10-Q        3/31/21   69:9.7M


15 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 5/22/20  AtriCure, Inc.                    8-K:5,9     5/20/20   11:444K
 4/29/20  AtriCure, Inc.                    8-K:1,2,7,9 4/29/20   13:4.3M
 2/24/20  AtriCure, Inc.                    10-K       12/31/19  109:23M
10/31/19  AtriCure, Inc.                    10-Q        9/30/19   78:12M
 8/12/19  AtriCure, Inc.                    8-K:1,2,3,7 8/11/19   14:7.9M                                   Donnelley … Solutions/FA
 7/31/19  AtriCure, Inc.                    10-Q        6/30/19   73:10M
 3/01/19  AtriCure, Inc.                    10-K       12/31/18   94:15M
 1/03/19  AtriCure, Inc.                    8-K:1,2,9  12/28/18    2:76K                                    Donnelley … Solutions/FA
 2/26/18  AtriCure, Inc.                    8-K:1,2,9   2/26/18    3:1.3M
 2/16/18  AtriCure, Inc.                    8-K:5,9     2/16/18    2:327K
 5/27/16  AtriCure, Inc.                    8-K:5,9     5/27/16    3:408K
10/05/15  AtriCure, Inc.                    8-K:1,2,3,710/05/15    3:1M                                     Certent, Inc./FA
 8/25/14  AtriCure, Inc.                    8-K:1,9     8/20/14    2:1.7M                                   Donnelley … Solutions/FA
 3/08/13  AtriCure, Inc.                    10-K       12/31/12   94:8.6M                                   Donnelley … Solutions/FA
11/01/12  AtriCure, Inc.                    8-K:1,2,5,911/01/12    4:263K                                   Donnelley … Solutions/FA
Top
Filing Submission 0001323885-21-000011   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Fri., May 17, 6:49:26.7pm ET