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

Six Flags Entertainment Corp – ‘10-K’ for 12/31/15 – ‘XML’

On:  Thursday, 2/18/16, at 5:02pm ET   ·   For:  12/31/15   ·   Accession #:  701374-16-189   ·   File #:  1-13703

Previous ‘10-K’:  ‘10-K’ on 2/19/15 for 12/31/14   ·   Next:  ‘10-K’ on 2/23/17 for 12/31/16   ·   Latest:  ‘10-K’ on 2/29/24 for 12/31/23   ·   5 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 2/18/16  Six Flags Entertainment Corp      10-K       12/31/15   89:13M

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.14M 
 2: EX-10.47    Material Contract                                   HTML    122K 
 3: EX-10.48    Material Contract                                   HTML    119K 
 4: EX-10.49    Material Contract                                   HTML    118K 
 6: EX-21.1     List of Subsidiaries                                HTML     38K 
 7: EX-23.1     Consent of Kpmg LLP                                 HTML     25K 
 5: EX-12.1     Computation of Ratio of Earnings to Fixed Charges   HTML     42K 
 8: EX-31.1     Section 302 CEO Certification                       HTML     30K 
 9: EX-31.2     Section 302 CFO Certification                       HTML     30K 
10: EX-32.1     Section 906 CEO Certification                       HTML     25K 
11: EX-32.2     Section 906 CFO Certification                       HTML     25K 
18: R1          Document and Entity Information                     HTML     52K 
19: R2          Consolidated Balance Sheets                         HTML    132K 
20: R3          Consolidated Balance Sheets (Parenthetical)         HTML     36K 
21: R4          Consolidated Statements of Operations               HTML    126K 
22: R5          Consolidated Statements of Operations               HTML     27K 
                (Parenthetical)                                                  
23: R6          Consolidated Statements of Comprehensive Income     HTML     52K 
                (Loss)                                                           
24: R7          Consolidated Statements of Comprehensive Income     HTML     33K 
                (Loss) (Parenthetical)                                           
25: R8          Consolidated Statements of Equity (Deficit)         HTML     98K 
26: R9          Consolidated Statements of Cash Flows               HTML    125K 
27: R10         Description of Business                             HTML     28K 
28: R11         Summary of Significant Accounting Policies          HTML     88K 
29: R12         Property and Equipment                              HTML     41K 
30: R13         Goodwill and Intangible Assets (Notes)              HTML     82K 
31: R14         Noncontrolling Interests, Partnership and Joint     HTML     41K 
                Ventures                                                         
32: R15         Derivative Financial Instruments                    HTML     88K 
33: R16         Long-Term Indebtedness                              HTML     72K 
34: R17         Selling, General and Administrative Expenses        HTML     37K 
35: R18         Stock Benefit Plans (Notes)                         HTML    132K 
36: R19         Fair Value of Financial Instruments                 HTML     51K 
37: R20         Income Taxes                                        HTML    152K 
38: R21         Preferred Stock, Common Stock and Other             HTML    130K 
                Stockholders' Equity (Deficit)                                   
39: R22         Pension Benefits                                    HTML    214K 
40: R23         Earnings Per Common Share                           HTML     50K 
41: R24         Commitments and Contingencies                       HTML     65K 
42: R25         Business Segments                                   HTML     84K 
43: R26         Quarterly Financial Information (Unaudited)         HTML     83K 
44: R27         Summary of Significant Accounting Policies          HTML    155K 
                (Policies)                                                       
45: R28         Summary of Significant Accounting Policies          HTML     28K 
                (Tables)                                                         
46: R29         Property and Equipment (Tables)                     HTML     40K 
47: R30         Goodwill and Intangible Assets (Tables)             HTML     79K 
48: R31         Noncontrolling Interests, Partnership and Joint     HTML     36K 
                Ventures (Tables)                                                
49: R32         Derivative Financial Instruments (Tables)           HTML     76K 
50: R33         Long-Term Indebtedness (Tables)                     HTML     54K 
51: R34         Selling, General and Administrative Expenses        HTML     36K 
                (Tables)                                                         
52: R35         Stock Benefit Plans (Tables)                        HTML    103K 
53: R36         Fair Value of Financial Instruments (Tables)        HTML     46K 
54: R37         Income Taxes (Tables)                               HTML    148K 
55: R38         Preferred Stock, Common Stock and Other             HTML    118K 
                Stockholders' Equity (Deficit) (Tables)                          
56: R39         Pension Benefits (Tables)                           HTML    214K 
57: R40         Earnings Per Common Share (Tables)                  HTML     45K 
58: R41         Commitments and Contingencies (Tables)              HTML     32K 
59: R42         Business Segments (Tables)                          HTML     80K 
60: R43         Quarterly Financial Information (Unaudited)         HTML     79K 
                (Tables)                                                         
61: R44         Description of Business (Details)                   HTML     34K 
62: R45         Summary of Significant Accounting Policies          HTML     99K 
                (Details)                                                        
63: R46         Property and Equipment (Details)                    HTML     43K 
64: R47         Goodwill and Intangible Assets (Details)            HTML     70K 
65: R48         Noncontrolling Interests, Partnership and Joint     HTML     45K 
                Ventures (Details)                                               
66: R49         Derivative Financial Instruments (Details)          HTML     85K 
67: R50         Long-Term Indebtedness (Details)                    HTML    172K 
68: R51         Long-Term Indebtedness (Details 2)                  HTML     74K 
69: R52         Selling, General and Administrative Expenses        HTML     35K 
                (Details)                                                        
70: R53         Stock Benefit Plans (Details)                       HTML    176K 
71: R54         Stock Benefit Plans (Details 2)                     HTML    135K 
72: R55         Fair Value of Financial Instruments (Details)       HTML     43K 
73: R56         Income Taxes (Details)                              HTML    134K 
74: R57         Income Taxes (Details 2)                            HTML     74K 
75: R58         Income Taxes (Details 3)                            HTML     33K 
76: R59         Preferred Stock, Common Stock and Other             HTML    103K 
                Stockholders' Equity (Deficit) (Details)                         
77: R60         Preferred Stock, Common Stock and Other             HTML     47K 
                Stockholders' Equity (Deficit) (Details 2)                       
78: R61         Preferred Stock, Common Stock and Other             HTML     44K 
                Stockholders' Equity (Deficit) (Details 3)                       
79: R62         Pension Benefits (Details)                          HTML    131K 
80: R63         Pension Benefits (Details 2)                        HTML    194K 
81: R64         Earnings Per Common Share (Details)                 HTML     57K 
82: R65         Commitments and Contingencies (Details)             HTML    113K 
83: R66         Commitments and Contingencies (Details 2)           HTML     77K 
84: R67         Business Segments (Details)                         HTML     54K 
85: R68         Business Segments (Details 2)                       HTML     55K 
86: R69         Quarterly Financial Information (Unaudited)         HTML     60K 
                (Details)                                                        
88: XML         IDEA XML File -- Filing Summary                      XML    153K 
87: EXCEL       IDEA Workbook of Financial Reports                  XLSX    125K 
12: EX-101.INS  XBRL Instance -- six-20151231                        XML   3.74M 
14: EX-101.CAL  XBRL Calculations -- six-20151231_cal                XML    303K 
15: EX-101.DEF  XBRL Definitions -- six-20151231_def                 XML    780K 
16: EX-101.LAB  XBRL Labels -- six-20151231_lab                      XML   2.44M 
17: EX-101.PRE  XBRL Presentations -- six-20151231_pre               XML   1.28M 
13: EX-101.SCH  XBRL Schema -- six-20151231                          XSD    219K 
89: ZIP         XBRL Zipped Folder -- 0000701374-16-000189-xbrl      Zip    358K 


‘XML’   —   IDEA XML File — Filing Summary


This Document is an IDEA XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.3.1.900 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 376 </ContextCount>
<ElementCount> 500 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> true </FootnotesReported>
<SegmentCount> 95 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 9 </UnitCount>
<MyReports>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 0001000 - Document - Document and Entity Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/DocumentAndEntityInformation </Role>
<ShortName> Document and Entity Information </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 1001000 - Statement - Consolidated Balance Sheets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedBalanceSheets </Role>
<ShortName> Consolidated Balance Sheets </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedBalanceSheetsParenthetical </Role>
<ShortName> Consolidated Balance Sheets (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 1002000 - Statement - Consolidated Statements of Operations </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedStatementsOfOperations </Role>
<ShortName> Consolidated Statements of Operations </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 1002501 - Statement - Consolidated Statements of Operations (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedStatementsOfOperationsParenthetical </Role>
<ShortName> Consolidated Statements of Operations (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 1003000 - Statement - Consolidated Statements of Comprehensive Income (Loss) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss </Role>
<ShortName> Consolidated Statements of Comprehensive Income (Loss) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 1003501 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedStatementsOfComprehensiveIncomeLossParenthetical </Role>
<ShortName> Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 1004000 - Statement - Consolidated Statements of Equity (Deficit) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedStatementsOfEquityDeficit </Role>
<ShortName> Consolidated Statements of Equity (Deficit) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 1005000 - Statement - Consolidated Statements of Cash Flows </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/ConsolidatedStatementsOfCashFlows </Role>
<ShortName> Consolidated Statements of Cash Flows </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 2101100 - Disclosure - Description of Business </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/DescriptionOfBusiness </Role>
<ShortName> Description of Business </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 2103100 - Disclosure - Summary of Significant Accounting Policies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/SummaryOfSignificantAccountingPolicies </Role>
<ShortName> Summary of Significant Accounting Policies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 2105100 - Disclosure - Property and Equipment </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PropertyAndEquipment </Role>
<ShortName> Property and Equipment </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 2106100 - Disclosure - Goodwill and Intangible Assets (Notes) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.sixflags.com/role/GoodwillAndIntangibleAssetsNotes </Role>
<ShortName> Goodwill and Intangible Assets (Notes) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 2107100 - Disclosure - Noncontrolling Interests, Partnership and Joint Ventures </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/NoncontrollingInterestsPartnershipAndJointVentures </Role>
<ShortName> Noncontrolling Interests, Partnership and Joint Ventures </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 2108100 - Disclosure - Derivative Financial Instruments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/DerivativeFinancialInstruments </Role>
<ShortName> Derivative Financial Instruments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 2109100 - Disclosure - Long-Term Indebtedness </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/LongTermIndebtedness </Role>
<ShortName> Long-Term Indebtedness </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 2110100 - Disclosure - Selling, General and Administrative Expenses </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/SellingGeneralAndAdministrativeExpenses </Role>
<ShortName> Selling, General and Administrative Expenses </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 2111100 - Disclosure - Stock Benefit Plans (Notes) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.sixflags.com/role/StockBenefitPlansNotes </Role>
<ShortName> Stock Benefit Plans (Notes) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 2112100 - Disclosure - Fair Value of Financial Instruments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/FairValueOfFinancialInstruments </Role>
<ShortName> Fair Value of Financial Instruments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 2113100 - Disclosure - Income Taxes </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/IncomeTaxes </Role>
<ShortName> Income Taxes </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 2115100 - Disclosure - Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficit </Role>
<ShortName> Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 2116100 - Disclosure - Pension Benefits </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PensionBenefits </Role>
<ShortName> Pension Benefits </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 2117100 - Disclosure - Earnings Per Common Share </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/EarningsPerCommonShare </Role>
<ShortName> Earnings Per Common Share </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 2118100 - Disclosure - Commitments and Contingencies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/CommitmentsAndContingencies </Role>
<ShortName> Commitments and Contingencies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 2119100 - Disclosure - Business Segments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/BusinessSegments </Role>
<ShortName> Business Segments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 25 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 2122100 - Disclosure - Quarterly Financial Information (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/QuarterlyFinancialInformationUnaudited </Role>
<ShortName> Quarterly Financial Information (Unaudited) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 26 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 2203201 - Disclosure - Summary of Significant Accounting Policies (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/SummaryOfSignificantAccountingPoliciesPolicies </Role>
<ShortName> Summary of Significant Accounting Policies (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<ParentRole> http://www.sixflags.com/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 27 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 2303302 - Disclosure - Summary of Significant Accounting Policies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/SummaryOfSignificantAccountingPoliciesTables </Role>
<ShortName> Summary of Significant Accounting Policies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 28 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 2305301 - Disclosure - Property and Equipment (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PropertyAndEquipmentTables </Role>
<ShortName> Property and Equipment (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PropertyAndEquipment </ParentRole>
<Position> 29 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 2306301 - Disclosure - Goodwill and Intangible Assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/GoodwillAndIntangibleAssetsTables </Role>
<ShortName> Goodwill and Intangible Assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/GoodwillAndIntangibleAssetsNotes </ParentRole>
<Position> 30 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 2307301 - Disclosure - Noncontrolling Interests, Partnership and Joint Ventures (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/NoncontrollingInterestsPartnershipAndJointVenturesTables </Role>
<ShortName> Noncontrolling Interests, Partnership and Joint Ventures (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/NoncontrollingInterestsPartnershipAndJointVentures </ParentRole>
<Position> 31 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 2308301 - Disclosure - Derivative Financial Instruments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/DerivativeFinancialInstrumentsTables </Role>
<ShortName> Derivative Financial Instruments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/DerivativeFinancialInstruments </ParentRole>
<Position> 32 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 2309301 - Disclosure - Long-Term Indebtedness (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/LongTermIndebtednessTables </Role>
<ShortName> Long-Term Indebtedness (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/LongTermIndebtedness </ParentRole>
<Position> 33 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 2310301 - Disclosure - Selling, General and Administrative Expenses (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/SellingGeneralAndAdministrativeExpensesTables </Role>
<ShortName> Selling, General and Administrative Expenses (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/SellingGeneralAndAdministrativeExpenses </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 2311301 - Disclosure - Stock Benefit Plans (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/StockBenefitPlansTables </Role>
<ShortName> Stock Benefit Plans (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/StockBenefitPlansNotes </ParentRole>
<Position> 35 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 2312301 - Disclosure - Fair Value of Financial Instruments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/FairValueOfFinancialInstrumentsTables </Role>
<ShortName> Fair Value of Financial Instruments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/FairValueOfFinancialInstruments </ParentRole>
<Position> 36 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 2313301 - Disclosure - Income Taxes (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/IncomeTaxesTables </Role>
<ShortName> Income Taxes (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/IncomeTaxes </ParentRole>
<Position> 37 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 2315301 - Disclosure - Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficitTables </Role>
<ShortName> Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficit </ParentRole>
<Position> 38 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 2316301 - Disclosure - Pension Benefits (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PensionBenefitsTables </Role>
<ShortName> Pension Benefits (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PensionBenefits </ParentRole>
<Position> 39 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 2317301 - Disclosure - Earnings Per Common Share (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/EarningsPerCommonShareTables </Role>
<ShortName> Earnings Per Common Share (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/EarningsPerCommonShare </ParentRole>
<Position> 40 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 2318301 - Disclosure - Commitments and Contingencies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/CommitmentsAndContingenciesTables </Role>
<ShortName> Commitments and Contingencies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/CommitmentsAndContingencies </ParentRole>
<Position> 41 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 2319301 - Disclosure - Business Segments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/BusinessSegmentsTables </Role>
<ShortName> Business Segments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/BusinessSegments </ParentRole>
<Position> 42 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 2322301 - Disclosure - Quarterly Financial Information (Unaudited) (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/QuarterlyFinancialInformationUnauditedTables </Role>
<ShortName> Quarterly Financial Information (Unaudited) (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.sixflags.com/role/QuarterlyFinancialInformationUnaudited </ParentRole>
<Position> 43 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 2401401 - Disclosure - Description of Business (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/DescriptionOfBusinessDetails </Role>
<ShortName> Description of Business (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/DescriptionOfBusiness </ParentRole>
<Position> 44 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 2403403 - Disclosure - Summary of Significant Accounting Policies (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/SummaryOfSignificantAccountingPoliciesDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 45 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 2405402 - Disclosure - Property and Equipment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PropertyAndEquipmentDetails </Role>
<ShortName> Property and Equipment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PropertyAndEquipmentTables </ParentRole>
<Position> 46 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 2406402 - Disclosure - Goodwill and Intangible Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/GoodwillAndIntangibleAssetsDetails </Role>
<ShortName> Goodwill and Intangible Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/GoodwillAndIntangibleAssetsTables </ParentRole>
<Position> 47 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 2407402 - Disclosure - Noncontrolling Interests, Partnership and Joint Ventures (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/NoncontrollingInterestsPartnershipAndJointVenturesDetails </Role>
<ShortName> Noncontrolling Interests, Partnership and Joint Ventures (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/NoncontrollingInterestsPartnershipAndJointVenturesTables </ParentRole>
<Position> 48 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 2408402 - Disclosure - Derivative Financial Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/DerivativeFinancialInstrumentsDetails </Role>
<ShortName> Derivative Financial Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/DerivativeFinancialInstrumentsTables </ParentRole>
<Position> 49 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 2409402 - Disclosure - Long-Term Indebtedness (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/LongTermIndebtednessDetails </Role>
<ShortName> Long-Term Indebtedness (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/LongTermIndebtednessTables </ParentRole>
<Position> 50 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 2409403 - Disclosure - Long-Term Indebtedness (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/LongTermIndebtednessDetails2 </Role>
<ShortName> Long-Term Indebtedness (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/LongTermIndebtednessTables </ParentRole>
<Position> 51 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 2410402 - Disclosure - Selling, General and Administrative Expenses (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/SellingGeneralAndAdministrativeExpensesDetails </Role>
<ShortName> Selling, General and Administrative Expenses (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/SellingGeneralAndAdministrativeExpensesTables </ParentRole>
<Position> 52 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 2411402 - Disclosure - Stock Benefit Plans (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/StockBenefitPlansDetails </Role>
<ShortName> Stock Benefit Plans (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/StockBenefitPlansTables </ParentRole>
<Position> 53 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 2411403 - Disclosure - Stock Benefit Plans (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/StockBenefitPlansDetails2 </Role>
<ShortName> Stock Benefit Plans (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/StockBenefitPlansTables </ParentRole>
<Position> 54 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 2412402 - Disclosure - Fair Value of Financial Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/FairValueOfFinancialInstrumentsDetails </Role>
<ShortName> Fair Value of Financial Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/FairValueOfFinancialInstrumentsTables </ParentRole>
<Position> 55 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 2413402 - Disclosure - Income Taxes (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/IncomeTaxesDetails </Role>
<ShortName> Income Taxes (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/IncomeTaxesTables </ParentRole>
<Position> 56 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 2413403 - Disclosure - Income Taxes (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/IncomeTaxesDetails2 </Role>
<ShortName> Income Taxes (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/IncomeTaxesTables </ParentRole>
<Position> 57 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 2413404 - Disclosure - Income Taxes (Details 3) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/IncomeTaxesDetails3 </Role>
<ShortName> Income Taxes (Details 3) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/IncomeTaxesTables </ParentRole>
<Position> 58 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 2415402 - Disclosure - Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficitDetails </Role>
<ShortName> Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficitTables </ParentRole>
<Position> 59 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 2415403 - Disclosure - Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficitDetails2 </Role>
<ShortName> Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficitTables </ParentRole>
<Position> 60 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 2415404 - Disclosure - Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Details 3) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficitDetails3 </Role>
<ShortName> Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Details 3) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PreferredStockCommonStockAndOtherStockholdersEquityDeficitTables </ParentRole>
<Position> 61 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 2416402 - Disclosure - Pension Benefits (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PensionBenefitsDetails </Role>
<ShortName> Pension Benefits (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PensionBenefitsTables </ParentRole>
<Position> 62 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 2416403 - Disclosure - Pension Benefits (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/PensionBenefitsDetails2 </Role>
<ShortName> Pension Benefits (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/PensionBenefitsTables </ParentRole>
<Position> 63 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 2417402 - Disclosure - Earnings Per Common Share (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/EarningsPerCommonShareDetails </Role>
<ShortName> Earnings Per Common Share (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/EarningsPerCommonShareTables </ParentRole>
<Position> 64 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 2418402 - Disclosure - Commitments and Contingencies (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/CommitmentsAndContingenciesDetails </Role>
<ShortName> Commitments and Contingencies (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/CommitmentsAndContingenciesTables </ParentRole>
<Position> 65 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 2418403 - Disclosure - Commitments and Contingencies (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/CommitmentsAndContingenciesDetails2 </Role>
<ShortName> Commitments and Contingencies (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/CommitmentsAndContingenciesTables </ParentRole>
<Position> 66 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 2419402 - Disclosure - Business Segments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/BusinessSegmentsDetails </Role>
<ShortName> Business Segments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/BusinessSegmentsTables </ParentRole>
<Position> 67 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 2419403 - Disclosure - Business Segments (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/BusinessSegmentsDetails2 </Role>
<ShortName> Business Segments (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/BusinessSegmentsTables </ParentRole>
<Position> 68 </Position>
</Report>
<Report instance="six-20151231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 2422402 - Disclosure - Quarterly Financial Information (Unaudited) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.sixflags.com/role/QuarterlyFinancialInformationUnauditedDetails </Role>
<ShortName> Quarterly Financial Information (Unaudited) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.sixflags.com/role/QuarterlyFinancialInformationUnauditedTables </ParentRole>
<Position> 69 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File> six-20151231.xml </File>
<File> six-20151231.xsd </File>
<File> six-20151231_cal.xml </File>
<File> six-20151231_def.xml </File>
<File> six-20151231_lab.xml </File>
<File> six-20151231_pre.xml </File>
</InputFiles>
<SupplementalFiles/>
<BaseTaxonomies/>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>


5 Subsequent Filings that Reference this Filing

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

 2/25/21  Six Flags Entertainment Corp.     10-K       12/31/20  114:16M                                    Toppan Merrill Bridge/FA
11/21/16  SEC                               UPLOAD10/11/17    1:35K  Six Flags Entertainment Corp.
 9/13/16  SEC                               UPLOAD10/11/17    1:161K Six Flags Entertainment Corp.
 8/11/16  SEC                               UPLOAD10/11/17    1:161K Six Flags Entertainment Corp.
 6/15/16  SEC                               UPLOAD10/11/17    1:159K Six Flags Entertainment Corp.
Top
Filing Submission 0000701374-16-000189   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Thu., Apr. 25, 3:49:52.2pm ET