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Groupon, Inc. – ‘10-Q’ for 6/30/19 – ‘JSON’

On:  Tuesday, 7/30/19, at 5:07pm ET   ·   For:  6/30/19   ·   Accession #:  1490281-19-76   ·   File #:  1-35335

Previous ‘10-Q’:  ‘10-Q’ on 4/30/19 for 3/31/19   ·   Next:  ‘10-Q’ on 11/4/19 for 9/30/19   ·   Latest:  ‘10-Q’ on 5/9/24 for 3/31/24

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

 7/30/19  Groupon, Inc.                     10-Q        6/30/19   88:11M

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.59M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     31K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     31K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     28K 
11: R1          Cover Page                                          HTML     81K 
12: R2          Condensed Consolidated Balance Sheets               HTML    112K 
13: R3          Condensed Consolidated Balance Sheets               HTML     40K 
                (Parenthetical)                                                  
14: R4          Condensed Consolidated Statements of Operations     HTML    131K 
15: R5          Condensed Consolidated Statements of Operations     HTML     29K 
                (Parenthetical)                                                  
16: R6          Condensed Consolidated Statements of Stockholders'  HTML    204K 
                Equity                                                           
17: R7          Condensed Consolidated Statements of Cash Flows     HTML    175K 
18: R8          Description of Business and Basis of Presentation   HTML     42K 
19: R9          Goodwill and Other Intangible Assets                HTML     81K 
20: R10         Investments                                         HTML     90K 
21: R11         Supplemental Consolidated Balance Sheets and        HTML     97K 
                Statements of Operations Information                             
22: R12         Financing Arrangements                              HTML     75K 
23: R13         Leases                                              HTML     89K 
24: R14         Commitments and Contingencies                       HTML     46K 
25: R15         Stockholders' Equity and Compensation Arrangements  HTML    105K 
26: R16         Revenue Recognition                                 HTML     44K 
27: R17         Income Taxes                                        HTML     39K 
28: R18         Fair Value Measurements                             HTML    161K 
29: R19         Income (Loss) Per Share                             HTML     88K 
30: R20         Segment Information                                 HTML    144K 
31: R21         DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION   HTML     47K 
                Policies (Policies)                                              
32: R22         Goodwill and Other Intangible Assets (Tables)       HTML     85K 
33: R23         Investments (Tables)                                HTML     90K 
34: R24         Supplemental Consolidated Balance Sheets and        HTML    103K 
                Statements of Operations Information (Tables)                    
35: R25         Financing Arrangements (Tables)                     HTML     54K 
36: R26         Leases (Tables)                                     HTML    103K 
37: R27         STOCKHOLDERS' EQUITY AND COMPENSATION ARRANGEMENTS  HTML     99K 
                Tables (Tables)                                                  
38: R28         Revenue Recognition (Tables)                        HTML     35K 
39: R29         Fair Value Measurements (Tables)                    HTML    152K 
40: R30         Income (Loss) Per Share (Tables)                    HTML     89K 
41: R31         Segment Information (Tables)                        HTML    151K 
42: R32         Description of Business and Basis of Presentation   HTML     32K 
                (Details)                                                        
43: R33         GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of  HTML     36K 
                Goodwill (Details)                                               
44: R34         GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of  HTML     51K 
                Intangible Assets (Details)                                      
45: R35         GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of  HTML     42K 
                Estimated Future Amortization Expense (Details)                  
46: R36         GOODWILL AND OTHER INTANGIBLE ASSETS - Additional   HTML     34K 
                Information (Details)                                            
47: R37         INVESTMENTS - Summary of Investments (Details)      HTML     83K 
48: R38         INVESTMENTS - Schedule of Activity for Available    HTML     32K 
                For Sale Securities (Details)                                    
49: R39         INVESTMENTS - Additional Information (Details)      HTML     49K 
50: R40         SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS AND        HTML     45K 
                STATEMENTS OF OPERATIONS INFORMATION - Schedule of               
                Other Income (Expense) (Details)                                 
51: R41         SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS AND        HTML     42K 
                STATEMENTS OF OPERATIONS INFORMATION - Schedule of               
                Prepaid and Other Current Assets (Details)                       
52: R42         SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS AND        HTML     32K 
                STATEMENTS OF OPERATIONS INFORMATION - Schedule of               
                Accrued Merchant and Supplier Payables (Details)                 
53: R43         SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS AND        HTML     50K 
                STATEMENTS OF OPERATIONS INFORMATION - Schedule of               
                Accrued Expense and Other Current Liabilities                    
                (Details)                                                        
54: R44         SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS AND        HTML     41K 
                STATEMENTS OF OPERATIONS INFORMATION - Schedule of               
                Other Non-current Liabilities (Details)                          
55: R45         FINANCING ARRANGEMENTS - Schedule of Notes          HTML     41K 
                (Details)                                                        
56: R46         FINANCING ARRANGEMENTS - Schedule of Convertible    HTML     35K 
                Debt Interest Expense (Details)                                  
57: R47         FINANCING ARRANGEMENTS - Convertible Senior Notes   HTML     70K 
                (Details)                                                        
58: R48         FINANCING ARRANGEMENTS - Note Hedges and Warrants   HTML     37K 
                (Details)                                                        
59: R49         FINANCING ARRANGEMENTS - Revolving Credit Facility  HTML     56K 
                (Details)                                                        
60: R50         LEASES - Additional Information (Details)           HTML     55K 
61: R51         LEASES Right-of-Use Assets (Details)                HTML     35K 
62: R52         LEASES Total Lease Cost (Details)                   HTML     45K 
63: R53         LEASES Future Lease Amount (Details)                HTML     75K 
64: R54         LEASES Sublease (Details)                           HTML     42K 
65: R55         LEASES Supplemental Cash Flow (Details)             HTML     38K 
66: R56         COMMITMENTS AND CONTINGENCIES - Additional          HTML     33K 
                Information (Details)                                            
67: R57         STOCKHOLDERS' EQUITY AND COMPENSATION ARRANGEMENTS  HTML     82K 
                Narrative (Details)                                              
68: R58         STOCKHOLDERS' EQUITY AND COMPENSATION ARRANGEMENTS  HTML     44K 
                Stock-based Compensation Expense (Details)                       
69: R59         Stockholders' Equity and Compensation Arrangements  HTML     53K 
                Rsu (Details)                                                    
70: R60         STOCKHOLDERS' EQUITY AND COMPENSATION ARRANGEMENTS  HTML     71K 
                Stock Options (Details)                                          
71: R61         Stockholders' Equity and Compensation Arrangements  HTML     72K 
                Psu (Details)                                                    
72: R62         REVENUE RECOGNITION - Additional Information        HTML     42K 
                (Details)                                                        
73: R63         REVENUE RECOGNITION - Liability for Customer        HTML     38K 
                Credits Rollforward (Details)                                    
74: R64         Income Taxes (Details)                              HTML     44K 
75: R65         FAIR VALUE MEASUREMENTS - Additional Information    HTML     35K 
                (Details)                                                        
76: R66         FAIR VALUE MEASUREMENTS - Schedule of Fair Value,   HTML     56K 
                Assets and Liabilities Measured on Recurring Basis               
                (Details)                                                        
77: R67         FAIR VALUE MEASUREMENTS - Fair Value, Assets and    HTML     80K 
                Liabilities, Reconciliation of Level 3 Inputs                    
                (Details)                                                        
78: R68         Income (LOSS) PER SHARE - Schedule of Computation   HTML     62K 
                of Basic and Diluted Net Income (Loss) Per Share                 
                (Details)                                                        
79: R69         Income (LOSS) PER SHARE - Schedule of               HTML     44K 
                Weighted-Average Potentially Dilutive Instruments                
                (Details)                                                        
80: R70         SEGMENT INFORMATION Schedule of Revenue by Segment  HTML     59K 
                (Details)                                                        
81: R71         SEGMENT INFORMATION Schedule of Gross Profit by     HTML     48K 
                Segment (Details)                                                
82: R72         SEGMENT INFORMATION Schedule of Operating Income    HTML     42K 
                by Segment (Details)                                             
83: R73         SEGMENT INFORMATION Schedule of Total Assets by     HTML     37K 
                Segment (Details)                                                
84: R9999       Uncategorized Items - a2019q210-q.htm               HTML     31K 
86: XML         IDEA XML File -- Filing Summary                      XML    165K 
10: XML         XBRL Instance -- a2019q210-q_htm                     XML   2.85M 
85: EXCEL       IDEA Workbook of Financial Reports                  XLSX     99K 
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 5: EX-101.SCH  XBRL Schema -- grpn-20190630                         XSD    174K 
87: JSON        XBRL Instance as JSON Data -- MetaLinks              399±   607K 
88: ZIP         XBRL Zipped Folder -- 0001490281-19-000076-xbrl      Zip    368K

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                        }
                    },
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                            "terseLabel":  "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period",
                            "verboseLabel":  "Exercise in stock options (in shares)"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodSharesStockOptionsExercised",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity",
                    "http://www.groupon.com/role/StockholdersEquityAndCompensationArrangementsStockOptionsDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan":  {
                "auth_ref":  [
                    "r35",
                    "r36",
                    "r235",
                    "r240"
                    ],
                "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":  "Shares issued under employee stock purchase plan"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueEmployeeStockPurchasePlan",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation":  {
                "auth_ref":  [
                    "r35",
                    "r36",
                    "r240",
                    "r257",
                    "r274"
                    ],
                "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":  "Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture",
                            "terseLabel":  "Stock-based compensation on equity-classified awards"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueShareBasedCompensation",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised":  {
                "auth_ref":  [
                    "r62",
                    "r235",
                    "r240"
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Value of stock issued as a result of the exercise of stock options.",
                            "label":  "Stock Issued During Period, Value, Stock Options Exercised",
                            "terseLabel":  "Exercise of stock options"
                            }
                        }
                    },
                "localname":  "StockIssuedDuringPeriodValueStockOptionsExercised",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockRepurchaseProgramAuthorizedAmount1":  {
                "auth_ref":  [
                    ],
                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Amount of stock repurchase plan authorized.",
                            "label":  "Stock Repurchase Program, Authorized Amount",
                            "terseLabel":  "Stock Repurchase Program, Authorized Amount"
                            }
                        }
                    },
                "localname":  "StockRepurchaseProgramAuthorizedAmount1",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/StockholdersEquityAndCompensationArrangementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased":  {
                "auth_ref":  [
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.",
                            "label":  "Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased",
                            "terseLabel":  "Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased"
                            }
                        }
                    },
                "localname":  "StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/StockholdersEquityAndCompensationArrangementsNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockRepurchasedDuringPeriodShares":  {
                "auth_ref":  [
                    "r35",
                    "r36",
                    "r235",
                    "r240"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Number of shares that have been repurchased during the period and have not been retired and are not held in treasury.  Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore.  This element is used when state law does not recognize treasury stock.",
                            "label":  "Stock Repurchased During Period, Shares",
                            "terseLabel":  "Stock Repurchased During Period, Shares"
                            }
                        }
                    },
                "localname":  "StockRepurchasedDuringPeriodShares",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/StockholdersEquityAndCompensationArrangementsNarrativeDetails"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_StockRepurchasedDuringPeriodValue":  {
                "auth_ref":  [
                    "r35",
                    "r36",
                    "r235",
                    "r240"
                    ],
                "crdr":  "debit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury.  Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore.  This element is used when state law does not recognize treasury stock.",
                            "label":  "Stock Repurchased During Period, Value",
                            "terseLabel":  "Stock Repurchased During Period, Value"
                            }
                        }
                    },
                "localname":  "StockRepurchasedDuringPeriodValue",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/StockholdersEquityAndCompensationArrangementsNarrativeDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_StockholdersEquity":  {
                "auth_ref":  [
                    "r36",
                    "r40",
                    "r41",
                    "r169"
                    ],
                "calculation":  {
                    "http://www.groupon.com/role/CondensedConsolidatedBalanceSheets":  {
                        "order":  1.0,
                        "parentTag":  "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                        "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",
                            "totalLabel":  "Total Groupon, Inc.  Stockholders' Equity"
                            }
                        }
                    },
                "localname":  "StockholdersEquity",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedBalanceSheets"
                    ],
                "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/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedBalanceSheets"
                    ],
                "xbrltype":  "stringItemType"
                },
            "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest":  {
                "auth_ref":  [
                    "r297",
                    "r298",
                    "r308"
                    ],
                "calculation":  {
                    "http://www.groupon.com/role/CondensedConsolidatedBalanceSheets":  {
                        "order":  2.0,
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                        "weight":  1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests.  Amount excludes temporary equity.  Alternate caption for the concept is permanent equity.",
                            "label":  "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest",
                            "periodEndLabel":  "Ending balance",
                            "periodStartLabel":  "Beginning balance",
                            "totalLabel":  "Total Equity"
                            }
                        }
                    },
                "localname":  "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedBalanceSheets",
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_SubleaseIncome":  {
                "auth_ref":  [
                    "r359",
                    "r366"
                    ],
                "calculation":  {
                    "http://www.groupon.com/role/LeasesTotalLeaseCostDetails":  {
                        "order":  5.0,
                        "parentTag":  "us-gaap_LeaseCost",
                        "weight":  -1.0
                        }
                    },
                "crdr":  "credit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Amount of sublease income excluding finance and operating lease expense.",
                            "label":  "Sublease Income",
                            "negatedTerseLabel":  "Sublease income, gross",
                            "terseLabel":  "Sublease income"
                            }
                        }
                    },
                "localname":  "SubleaseIncome",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/LeasesAdditionalInformationDetails",
                    "http://www.groupon.com/role/LeasesTotalLeaseCostDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TaxesPayableCurrent":  {
                "auth_ref":  [
                    "r52"
                    ],
                "calculation":  {
                    "http://www.groupon.com/role/SupplementalConsolidatedBalanceSheetsAndStatementsOfOperationsInformationScheduleOfAccruedExpenseAndOtherCurrentLiabilitiesDetails":  {
                        "order":  5.0,
                        "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":  "Income taxes payable"
                            }
                        }
                    },
                "localname":  "TaxesPayableCurrent",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/SupplementalConsolidatedBalanceSheetsAndStatementsOfOperationsInformationScheduleOfAccruedExpenseAndOtherCurrentLiabilitiesDetails"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TradeNamesMember":  {
                "auth_ref":  [
                    "r291"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Rights acquired through registration of a business name to gain or protect exclusive use thereof.",
                            "label":  "Trade Names [Member]",
                            "terseLabel":  "Trade names"
                            }
                        }
                    },
                "localname":  "TradeNamesMember",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/GoodwillAndOtherIntangibleAssetsScheduleOfIntangibleAssetsDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain":  {
                "auth_ref":  [
                    "r377"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.",
                            "label":  "Financial Instruments [Domain]",
                            "terseLabel":  "Financial Instruments [Domain]"
                            }
                        }
                    },
                "localname":  "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/FairValueMeasurementsScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TreasuryStockMember":  {
                "auth_ref":  [
                    "r61",
                    "r241"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Shares of an entity that have been repurchased by the entity.  This stock has no voting rights and receives no dividends.  Note that treasury stock may be recorded at its total cost or separately as par (or stated) value and additional paid in capital.  Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer.  Classified within temporary equity if redemption is outside the control of the issuer.",
                            "label":  "Treasury Stock [Member]",
                            "terseLabel":  "Treasury Stock"
                            }
                        }
                    },
                "localname":  "TreasuryStockMember",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "domainItemType"
                },
            "us-gaap_TreasuryStockShares":  {
                "auth_ref":  [
                    "r61",
                    "r241"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date.  This stock has no voting rights and receives no dividends.",
                            "label":  "Treasury Stock, Shares",
                            "negatedTerseLabel":  "Treasury stock (in shares)",
                            "periodEndLabel":  "Treasury stock, ending balance (in shares)",
                            "periodStartLabel":  "Treasury stock, beginning balance (in shares)"
                            }
                        }
                    },
                "localname":  "TreasuryStockShares",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_TreasuryStockSharesAcquired":  {
                "auth_ref":  [
                    "r36",
                    "r235",
                    "r240"
                    ],
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "Number of shares that have been repurchased during the period and are being held in treasury.",
                            "label":  "Treasury Stock, Shares, Acquired",
                            "negatedTerseLabel":  "Purchases of treasury stock (in shares)"
                            }
                        }
                    },
                "localname":  "TreasuryStockSharesAcquired",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "sharesItemType"
                },
            "us-gaap_TreasuryStockValue":  {
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                    "r61",
                    "r241",
                    "r244"
                    ],
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                        "weight":  -1.0
                        }
                    },
                "crdr":  "debit",
                "lang":  {
                    "en-US":  {
                        "role":  {
                            "documentation":  "The amount allocated to treasury stock.  Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.",
                            "label":  "Treasury Stock, Value",
                            "negatedTerseLabel":  "Treasury stock, at cost, 200,491,271 and 191,855,128 shares at June 30, 2019 and December 31, 2018",
                            "periodEndLabel":  "Treasury stock, ending balance",
                            "periodStartLabel":  "Treasury stock, beginning balance"
                            }
                        }
                    },
                "localname":  "TreasuryStockValue",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
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                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TreasuryStockValueAcquiredParValueMethod":  {
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                    "r240",
                    "r241"
                    ],
                "crdr":  "debit",
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                    "en-US":  {
                        "role":  {
                            "documentation":  "Equity impact of the cost of common and preferred stock that were repurchased during the period.  Recorded using the par value method.",
                            "label":  "Treasury Stock, Value, Acquired, Par Value Method",
                            "negatedTerseLabel":  "Purchases of treasury stock"
                            }
                        }
                    },
                "localname":  "TreasuryStockValueAcquiredParValueMethod",
                "nsuri":  "http://fasb.org/us-gaap/2019-01-31",
                "presentation":  [
                    "http://www.groupon.com/role/CondensedConsolidatedStatementsOfStockholdersEquity"
                    ],
                "xbrltype":  "monetaryItemType"
                },
            "us-gaap_TypeOfAdoptionMember":  {
                "auth_ref":  [
                    ],
                "lang":  {
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}

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