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

KAR Auction Services, Inc. – ‘10-K’ for 12/31/18 – ‘XML’

On:  Thursday, 2/21/19, at 11:03am ET   ·   For:  12/31/18   ·   Accession #:  1395942-19-16   ·   File #:  1-34568

Previous ‘10-K’:  ‘10-K’ on 2/21/18 for 12/31/17   ·   Next:  ‘10-K’ on 2/19/20 for 12/31/19   ·   Latest:  ‘10-K’ on 2/21/24 for 12/31/23   ·   18 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 2/21/19  KAR Auction Services, Inc.        10-K       12/31/18  104:14M

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        10-K - 2018 Form 10-K                               HTML   1.52M 
 3: EX-10.13    Exhibit 10.13 - Kar Aip Summary of Terms 2019       HTML     45K 
 4: EX-10.15    Material Contract                                   HTML    538K 
 6: EX-10.16C   Exhibit 10.16C - Amending Agreement No. 2 to 4th    HTML     50K 
                Canadian A&R Rpa                                                 
 5: EX-10.35    Exhibit 10.35 - Form of 2019 Rsu Award Agreement    HTML     52K 
                for Section 16                                                   
 7: EX-10.5C    Exhibit 10.5C - Amendment No. 2 to Employment       HTML     39K 
                Agreement - Gottwald                                             
 2: EX-10.7     Exhibit 10.7 - Employment Agreement - John Hammer   HTML     66K 
 8: EX-10.9C    Exhibit 10.9C - Amendment No. 2 to Employment       HTML     38K 
                Agreement - Kelly                                                
 9: EX-21.1     Exhibit 21.1 - List of Subsidiaries                 HTML     63K 
10: EX-23.1     Exhibit 23.1 - Consent of Independent Registered    HTML     29K 
                Public Accounting Firm                                           
11: EX-31.1     Exhibit 31.1 - CEO Sox 302 Certification            HTML     33K 
12: EX-31.2     Exhibit 31.2 - CFO Sox 302 Certification            HTML     33K 
13: EX-32.1     Exhibit 32.1 - CEO Sox 906 Certification            HTML     28K 
14: EX-32.2     Exhibit 32.2 - CFO Sox 906 Certification            HTML     28K 
21: R1          Document and Entity Information                     HTML     60K 
22: R2          Consolidated Statements of Income                   HTML     94K 
23: R3          Consolidated Statements of Comprehensive Income     HTML     38K 
24: R4          Consolidated Balance Sheets                         HTML    139K 
25: R5          Consolidated Balance Sheets (Parenthetical)         HTML     55K 
26: R6          Consolidated Statements of Stockholders' Equity     HTML     91K 
27: R7          Consolidated Statements of Stockholders' Equity     HTML     27K 
                (Parenthetical)                                                  
28: R8          Consolidated Statements of Cash Flows               HTML    134K 
29: R9          Organization and Other Matters                      HTML     46K 
30: R10         Summary of Significant Accounting Policies          HTML     96K 
31: R11         Acquisitions and Equity Method Investments          HTML     48K 
32: R12         Stock and Stock-Based Compensation Plans            HTML    128K 
33: R13         Net Income Per Share                                HTML     50K 
34: R14         Allowance for Credit Losses and Doubtful Accounts   HTML     58K 
35: R15         Finance Receivables and Obligations Collateralized  HTML     68K 
                by Finance Receivables                                           
36: R16         Goodwill and Other Intangible Assets                HTML     98K 
37: R17         Property and Equipment                              HTML     59K 
38: R18         Self Insurance and Retained Loss Reserves           HTML     44K 
39: R19         Long-Term Debt                                      HTML     86K 
40: R20         Financial Instruments                               HTML     61K 
41: R21         Leasing Agreements                                  HTML     46K 
42: R22         Income Taxes                                        HTML    139K 
43: R23         Employee Benefit Plans                              HTML     30K 
44: R24         Commitments and Contingencies                       HTML     40K 
45: R25         Accumulated Other Comprehensive Income (Loss)       HTML     36K 
46: R26         Segment Information                                 HTML    235K 
47: R27         Quarterly Financial Data (Unaudited)                HTML    117K 
48: R28         Subsequent Events                                   HTML     30K 
49: R29         Summary of Significant Accounting Policies          HTML    175K 
                (Policies)                                                       
50: R30         Summary of Significant Accounting Policies          HTML     42K 
                (Tables)                                                         
51: R31         Stock and Stock-Based Compensation Plans (Tables)   HTML    108K 
52: R32         Net Income Per Share (Tables)                       HTML     47K 
53: R33         Allowance for Credit Losses and Doubtful Accounts   HTML     62K 
                (Tables)                                                         
54: R34         Finance Receivables and Obligations Collateralized  HTML     62K 
                by Finance Receivables (Tables)                                  
55: R35         Goodwill and Other Intangible Assets (Tables)       HTML     99K 
56: R36         Property and Equipment (Tables)                     HTML     64K 
57: R37         Self Insurance and Retained Loss Reserves (Tables)  HTML     40K 
58: R38         Long-Term Debt (Tables)                             HTML     71K 
59: R39         Financial Instruments (Tables)                      HTML     51K 
60: R40         Leasing Agreements (Tables)                         HTML     42K 
61: R41         Income Taxes (Tables)                               HTML    139K 
62: R42         Accumulated Other Comprehensive Income (Loss)       HTML     36K 
                (Tables)                                                         
63: R43         Segment Information (Tables)                        HTML    235K 
64: R44         Quarterly Financial Data (Unaudited) (Tables)       HTML    117K 
65: R45         Organization and Other Matters (Details)            HTML     72K 
66: R46         Summary of Significant Accounting Policies          HTML    111K 
                (Details)                                                        
67: R47         Acquisitions (Details)                              HTML     90K 
68: R48         Equity Method Investments (Details)                 HTML     45K 
69: R49         Stock and Stock-Based Compensation Plan Summary     HTML     39K 
                (Details)                                                        
70: R50         KAR Auction Services, Inc. Stock-Based              HTML    118K 
                Compensation Plans (Details)                                     
71: R51         Service and Exit Options (Details)                  HTML    104K 
72: R52         Employee Stock Purchase Plan (Details)              HTML     39K 
73: R53         Share Repurchase Plan (Details)                     HTML     55K 
74: R54         Net Income Per Share (Details)                      HTML     67K 
75: R55         Allowance for Credit Losses and Doubtful Accounts   HTML     38K 
                (Details)                                                        
76: R56         Allowance for Credit Losses and Doubtful Accounts   HTML     35K 
                (Details 2)                                                      
77: R57         Finance Receivables and Obligations Collateralized  HTML    103K 
                by Finance Receivables (Details)                                 
78: R58         Goodwill and Other Intangible Assets (Details)      HTML     43K 
79: R59         Goodwill and Other Intangible Assets (Details 2)    HTML     42K 
80: R60         Goodwill and Other Intangible Assets (Details 3)    HTML     52K 
81: R61         Goodwill and Other Intangible Assets (Details 4)    HTML     45K 
82: R62         Property and Equipment (Details)                    HTML     70K 
83: R63         Property and Equipment (Details 2)                  HTML     35K 
84: R64         Self Insurance and Retained Loss Reserves           HTML     48K 
                (Details)                                                        
85: R65         Long-Term Debt Summary and Future Principle         HTML     95K 
                Payments (Details)                                               
86: R66         Credit Facilities (Details)                         HTML    144K 
87: R67         Senior Notes (Details)                              HTML     39K 
88: R68         Other Debt (Details)                                HTML     43K 
89: R69         Financial Instruments (Details)                     HTML     73K 
90: R70         Financial Instruments (Details 2)                   HTML     38K 
91: R71         Leasing Agreements (Details)                        HTML     73K 
92: R72         Income Taxes (Details)                              HTML    199K 
93: R73         Income Taxes (Details 2)                            HTML     33K 
94: R74         Income Taxes (Details 3)                            HTML     52K 
95: R75         Employee Benefit Plans (Details)                    HTML     34K 
96: R76         Commitments and Contingencies (Details)             HTML     55K 
97: R77         Accumulated Other Comprehensive Income (Loss)       HTML     38K 
                (Details)                                                        
98: R78         Segment Information (Details)                       HTML    151K 
99: R79         Segment Information (Details 2)                     HTML     46K 
100: R80         Quarterly Financial Data (Unaudited) (Details)      HTML     86K  
101: R81         Subsequent Events Subsequent Events (Details)       HTML     32K  
103: XML         IDEA XML File -- Filing Summary                      XML    177K  
102: EXCEL       IDEA Workbook of Financial Reports                  XLSX    128K  
15: EX-101.INS  XBRL Instance -- kar-20181231                        XML   3.55M 
17: EX-101.CAL  XBRL Calculations -- kar-20181231_cal                XML    288K 
18: EX-101.DEF  XBRL Definitions -- kar-20181231_def                 XML    886K 
19: EX-101.LAB  XBRL Labels -- kar-20181231_lab                      XML   2.20M 
20: EX-101.PRE  XBRL Presentations -- kar-20181231_pre               XML   1.39M 
16: EX-101.SCH  XBRL Schema -- kar-20181231                          XSD    223K 
104: ZIP         XBRL Zipped Folder -- 0001395942-19-000016-xbrl      Zip    340K  


‘XML’   —   IDEA XML File — Filing Summary


This Document is an IDEA XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.10.0.1 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 318 </ContextCount>
<ElementCount> 448 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> false </FootnotesReported>
<SegmentCount> 87 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 14 </UnitCount>
<MyReports>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 0001000 - Document - Document and Entity Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/DocumentAndEntityInformation </Role>
<ShortName> Document and Entity Information </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 1001000 - Statement - Consolidated Statements of Income </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ConsolidatedStatementsOfIncome </Role>
<ShortName> Consolidated Statements of Income </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 1002000 - Statement - Consolidated Statements of Comprehensive Income </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ConsolidatedStatementsOfComprehensiveIncome </Role>
<ShortName> Consolidated Statements of Comprehensive Income </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 1003000 - Statement - Consolidated Balance Sheets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ConsolidatedBalanceSheets </Role>
<ShortName> Consolidated Balance Sheets </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 1003501 - Statement - Consolidated Balance Sheets (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ConsolidatedBalanceSheetsParenthetical </Role>
<ShortName> Consolidated Balance Sheets (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 1004000 - Statement - Consolidated Statements of Stockholders' Equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ConsolidatedStatementsOfStockholdersEquity </Role>
<ShortName> Consolidated Statements of Stockholders' Equity </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 1004501 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical </Role>
<ShortName> Consolidated Statements of Stockholders' Equity (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 1005000 - Statement - Consolidated Statements of Cash Flows </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ConsolidatedStatementsOfCashFlows </Role>
<ShortName> Consolidated Statements of Cash Flows </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 2101100 - Disclosure - Organization and Other Matters </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/OrganizationAndOtherMatters </Role>
<ShortName> Organization and Other Matters </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 2102100 - Disclosure - Summary of Significant Accounting Policies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SummaryOfSignificantAccountingPolicies </Role>
<ShortName> Summary of Significant Accounting Policies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 2103100 - Disclosure - Acquisitions and Equity Method Investments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AcquisitionsAndEquityMethodInvestments </Role>
<ShortName> Acquisitions and Equity Method Investments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 2104100 - Disclosure - Stock and Stock-Based Compensation Plans </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/StockAndStockBasedCompensationPlans </Role>
<ShortName> Stock and Stock-Based Compensation Plans </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 2105100 - Disclosure - Net Income Per Share </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/NetIncomePerShare </Role>
<ShortName> Net Income Per Share </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 2106100 - Disclosure - Allowance for Credit Losses and Doubtful Accounts </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AllowanceForCreditLossesAndDoubtfulAccounts </Role>
<ShortName> Allowance for Credit Losses and Doubtful Accounts </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 2107100 - Disclosure - Finance Receivables and Obligations Collateralized by Finance Receivables </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivables </Role>
<ShortName> Finance Receivables and Obligations Collateralized by Finance Receivables </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 2108100 - Disclosure - Goodwill and Other Intangible Assets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssets </Role>
<ShortName> Goodwill and Other Intangible Assets </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 2109100 - Disclosure - Property and Equipment </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/PropertyAndEquipment </Role>
<ShortName> Property and Equipment </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 2110100 - Disclosure - Self Insurance and Retained Loss Reserves </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SelfInsuranceAndRetainedLossReserves </Role>
<ShortName> Self Insurance and Retained Loss Reserves </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 2111100 - Disclosure - Long-Term Debt </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/LongTermDebt </Role>
<ShortName> Long-Term Debt </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 2112100 - Disclosure - Financial Instruments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/FinancialInstruments </Role>
<ShortName> Financial Instruments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 2113100 - Disclosure - Leasing Agreements </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/LeasingAgreements </Role>
<ShortName> Leasing Agreements </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 2114100 - Disclosure - Income Taxes </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/IncomeTaxes </Role>
<ShortName> Income Taxes </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 2115100 - Disclosure - Employee Benefit Plans </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/EmployeeBenefitPlans </Role>
<ShortName> Employee Benefit Plans </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 2116100 - Disclosure - Commitments and Contingencies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/CommitmentsAndContingencies </Role>
<ShortName> Commitments and Contingencies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 2117100 - Disclosure - Accumulated Other Comprehensive Income (Loss) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLoss </Role>
<ShortName> Accumulated Other Comprehensive Income (Loss) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 25 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 2119100 - Disclosure - Segment Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SegmentInformation </Role>
<ShortName> Segment Information </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 26 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 2120100 - Disclosure - Quarterly Financial Data (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/QuarterlyFinancialDataUnaudited </Role>
<ShortName> Quarterly Financial Data (Unaudited) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 27 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 2121100 - Disclosure - Subsequent Events </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SubsequentEvents </Role>
<ShortName> Subsequent Events </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 28 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 2202201 - Disclosure - Summary of Significant Accounting Policies (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SummaryOfSignificantAccountingPoliciesPolicies </Role>
<ShortName> Summary of Significant Accounting Policies (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 29 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 2302302 - Disclosure - Summary of Significant Accounting Policies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SummaryOfSignificantAccountingPoliciesTables </Role>
<ShortName> Summary of Significant Accounting Policies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 30 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 2304301 - Disclosure - Stock and Stock-Based Compensation Plans (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/StockAndStockBasedCompensationPlansTables </Role>
<ShortName> Stock and Stock-Based Compensation Plans (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/StockAndStockBasedCompensationPlans </ParentRole>
<Position> 31 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 2305301 - Disclosure - Net Income Per Share (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/NetIncomePerShareTables </Role>
<ShortName> Net Income Per Share (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/NetIncomePerShare </ParentRole>
<Position> 32 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 2306301 - Disclosure - Allowance for Credit Losses and Doubtful Accounts (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AllowanceForCreditLossesAndDoubtfulAccountsTables </Role>
<ShortName> Allowance for Credit Losses and Doubtful Accounts (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/AllowanceForCreditLossesAndDoubtfulAccounts </ParentRole>
<Position> 33 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 2307301 - Disclosure - Finance Receivables and Obligations Collateralized by Finance Receivables (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesTables </Role>
<ShortName> Finance Receivables and Obligations Collateralized by Finance Receivables (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivables </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 2308301 - Disclosure - Goodwill and Other Intangible Assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsTables </Role>
<ShortName> Goodwill and Other Intangible Assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssets </ParentRole>
<Position> 35 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 2309301 - Disclosure - Property and Equipment (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/PropertyAndEquipmentTables </Role>
<ShortName> Property and Equipment (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/PropertyAndEquipment </ParentRole>
<Position> 36 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 2310301 - Disclosure - Self Insurance and Retained Loss Reserves (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SelfInsuranceAndRetainedLossReservesTables </Role>
<ShortName> Self Insurance and Retained Loss Reserves (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SelfInsuranceAndRetainedLossReserves </ParentRole>
<Position> 37 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 2311301 - Disclosure - Long-Term Debt (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/LongTermDebtTables </Role>
<ShortName> Long-Term Debt (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/LongTermDebt </ParentRole>
<Position> 38 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 2312301 - Disclosure - Financial Instruments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/FinancialInstrumentsTables </Role>
<ShortName> Financial Instruments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/FinancialInstruments </ParentRole>
<Position> 39 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 2313301 - Disclosure - Leasing Agreements (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/LeasingAgreementsTables </Role>
<ShortName> Leasing Agreements (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/LeasingAgreements </ParentRole>
<Position> 40 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 2314301 - Disclosure - Income Taxes (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/IncomeTaxesTables </Role>
<ShortName> Income Taxes (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/IncomeTaxes </ParentRole>
<Position> 41 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 2317301 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLossTables </Role>
<ShortName> Accumulated Other Comprehensive Income (Loss) (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLoss </ParentRole>
<Position> 42 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 2319301 - Disclosure - Segment Information (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SegmentInformationTables </Role>
<ShortName> Segment Information (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SegmentInformation </ParentRole>
<Position> 43 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 2320301 - Disclosure - Quarterly Financial Data (Unaudited) (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/QuarterlyFinancialDataUnauditedTables </Role>
<ShortName> Quarterly Financial Data (Unaudited) (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://karauctionservices.com/role/QuarterlyFinancialDataUnaudited </ParentRole>
<Position> 44 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 2401401 - Disclosure - Organization and Other Matters (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/OrganizationAndOtherMattersDetails </Role>
<ShortName> Organization and Other Matters (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/OrganizationAndOtherMatters </ParentRole>
<Position> 45 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 2402403 - Disclosure - Summary of Significant Accounting Policies (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SummaryOfSignificantAccountingPoliciesDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 46 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 2403401 - Disclosure - Acquisitions (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AcquisitionsDetails </Role>
<ShortName> Acquisitions (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/AcquisitionsAndEquityMethodInvestments </ParentRole>
<Position> 47 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 2403402 - Disclosure - Equity Method Investments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/EquityMethodInvestmentsDetails </Role>
<ShortName> Equity Method Investments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 48 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 2404402 - Disclosure - Stock and Stock-Based Compensation Plan Summary (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/StockAndStockBasedCompensationPlanSummaryDetails </Role>
<ShortName> Stock and Stock-Based Compensation Plan Summary (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/StockAndStockBasedCompensationPlansTables </ParentRole>
<Position> 49 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 2404403 - Disclosure - KAR Auction Services, Inc. Stock-Based Compensation Plans (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/KarAuctionServicesIncStockBasedCompensationPlansDetails </Role>
<ShortName> KAR Auction Services, Inc. Stock-Based Compensation Plans (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 50 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 2404404 - Disclosure - Service and Exit Options (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ServiceAndExitOptionsDetails </Role>
<ShortName> Service and Exit Options (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 51 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 2404405 - Disclosure - Employee Stock Purchase Plan (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/EmployeeStockPurchasePlanDetails </Role>
<ShortName> Employee Stock Purchase Plan (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 52 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 2404406 - Disclosure - Share Repurchase Plan (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/ShareRepurchasePlanDetails </Role>
<ShortName> Share Repurchase Plan (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 53 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 2405402 - Disclosure - Net Income Per Share (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/NetIncomePerShareDetails </Role>
<ShortName> Net Income Per Share (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/NetIncomePerShareTables </ParentRole>
<Position> 54 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 2406402 - Disclosure - Allowance for Credit Losses and Doubtful Accounts (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AllowanceForCreditLossesAndDoubtfulAccountsDetails </Role>
<ShortName> Allowance for Credit Losses and Doubtful Accounts (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/AllowanceForCreditLossesAndDoubtfulAccountsTables </ParentRole>
<Position> 55 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 2406403 - Disclosure - Allowance for Credit Losses and Doubtful Accounts (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AllowanceForCreditLossesAndDoubtfulAccountsDetails2 </Role>
<ShortName> Allowance for Credit Losses and Doubtful Accounts (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/AllowanceForCreditLossesAndDoubtfulAccountsTables </ParentRole>
<Position> 56 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 2407402 - Disclosure - Finance Receivables and Obligations Collateralized by Finance Receivables (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesDetails </Role>
<ShortName> Finance Receivables and Obligations Collateralized by Finance Receivables (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesTables </ParentRole>
<Position> 57 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 2408402 - Disclosure - Goodwill and Other Intangible Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsDetails </Role>
<ShortName> Goodwill and Other Intangible Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsTables </ParentRole>
<Position> 58 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 2408403 - Disclosure - Goodwill and Other Intangible Assets (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsDetails2 </Role>
<ShortName> Goodwill and Other Intangible Assets (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsTables </ParentRole>
<Position> 59 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 2408404 - Disclosure - Goodwill and Other Intangible Assets (Details 3) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsDetails3 </Role>
<ShortName> Goodwill and Other Intangible Assets (Details 3) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsTables </ParentRole>
<Position> 60 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 2408405 - Disclosure - Goodwill and Other Intangible Assets (Details 4) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsDetails4 </Role>
<ShortName> Goodwill and Other Intangible Assets (Details 4) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/GoodwillAndOtherIntangibleAssetsTables </ParentRole>
<Position> 61 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 2409402 - Disclosure - Property and Equipment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/PropertyAndEquipmentDetails </Role>
<ShortName> Property and Equipment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/PropertyAndEquipmentTables </ParentRole>
<Position> 62 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 2409403 - Disclosure - Property and Equipment (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/PropertyAndEquipmentDetails2 </Role>
<ShortName> Property and Equipment (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/PropertyAndEquipmentTables </ParentRole>
<Position> 63 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 2410402 - Disclosure - Self Insurance and Retained Loss Reserves (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SelfInsuranceAndRetainedLossReservesDetails </Role>
<ShortName> Self Insurance and Retained Loss Reserves (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SelfInsuranceAndRetainedLossReservesTables </ParentRole>
<Position> 64 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 2411402 - Disclosure - Long-Term Debt Summary and Future Principle Payments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/LongTermDebtSummaryAndFuturePrinciplePaymentsDetails </Role>
<ShortName> Long-Term Debt Summary and Future Principle Payments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 65 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 2411403 - Disclosure - Credit Facilities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/CreditFacilitiesDetails </Role>
<ShortName> Credit Facilities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 66 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 2411404 - Disclosure - Senior Notes (Details) </LongName>
<ReportType> Notes </ReportType>
<Role> http://karauctionservices.com/role/SeniorNotesDetails </Role>
<ShortName> Senior Notes (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 67 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 2411405 - Disclosure - Other Debt (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/OtherDebtDetails </Role>
<ShortName> Other Debt (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 68 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 2412402 - Disclosure - Financial Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/FinancialInstrumentsDetails </Role>
<ShortName> Financial Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/FinancialInstrumentsTables </ParentRole>
<Position> 69 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 2412403 - Disclosure - Financial Instruments (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/FinancialInstrumentsDetails2 </Role>
<ShortName> Financial Instruments (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/FinancialInstrumentsTables </ParentRole>
<Position> 70 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 2413402 - Disclosure - Leasing Agreements (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/LeasingAgreementsDetails </Role>
<ShortName> Leasing Agreements (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/LeasingAgreementsTables </ParentRole>
<Position> 71 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 2414402 - Disclosure - Income Taxes (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/IncomeTaxesDetails </Role>
<ShortName> Income Taxes (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/IncomeTaxesTables </ParentRole>
<Position> 72 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 2414403 - Disclosure - Income Taxes (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/IncomeTaxesDetails2 </Role>
<ShortName> Income Taxes (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/IncomeTaxesTables </ParentRole>
<Position> 73 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 2414404 - Disclosure - Income Taxes (Details 3) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/IncomeTaxesDetails3 </Role>
<ShortName> Income Taxes (Details 3) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/IncomeTaxesTables </ParentRole>
<Position> 74 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 2415401 - Disclosure - Employee Benefit Plans (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/EmployeeBenefitPlansDetails </Role>
<ShortName> Employee Benefit Plans (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/EmployeeBenefitPlans </ParentRole>
<Position> 75 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R76.htm </HtmlFileName>
<LongName> 2416401 - Disclosure - Commitments and Contingencies (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/CommitmentsAndContingenciesDetails </Role>
<ShortName> Commitments and Contingencies (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/CommitmentsAndContingencies </ParentRole>
<Position> 76 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R77.htm </HtmlFileName>
<LongName> 2417402 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLossDetails </Role>
<ShortName> Accumulated Other Comprehensive Income (Loss) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLossTables </ParentRole>
<Position> 77 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R78.htm </HtmlFileName>
<LongName> 2419402 - Disclosure - Segment Information (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SegmentInformationDetails </Role>
<ShortName> Segment Information (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SegmentInformationTables </ParentRole>
<Position> 78 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R79.htm </HtmlFileName>
<LongName> 2419403 - Disclosure - Segment Information (Details 2) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SegmentInformationDetails2 </Role>
<ShortName> Segment Information (Details 2) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/SegmentInformationTables </ParentRole>
<Position> 79 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R80.htm </HtmlFileName>
<LongName> 2420402 - Disclosure - Quarterly Financial Data (Unaudited) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/QuarterlyFinancialDataUnauditedDetails </Role>
<ShortName> Quarterly Financial Data (Unaudited) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://karauctionservices.com/role/QuarterlyFinancialDataUnauditedTables </ParentRole>
<Position> 80 </Position>
</Report>
<Report instance="kar-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R81.htm </HtmlFileName>
<LongName> 2421401 - Disclosure - Subsequent Events Subsequent Events (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://karauctionservices.com/role/SubsequentEventsSubsequentEventsDetails </Role>
<ShortName> Subsequent Events Subsequent Events (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 81 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File> kar-20181231.xml </File>
<File> kar-20181231.xsd </File>
<File> kar-20181231_cal.xml </File>
<File> kar-20181231_def.xml </File>
<File> kar-20181231_lab.xml </File>
<File> kar-20181231_pre.xml </File>
</InputFiles>
<SupplementalFiles/>
<BaseTaxonomies>
<BaseTaxonomy> http://xbrl.sec.gov/country/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/us-gaap/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/srt/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/dei/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/invest/2013-01-31 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>


18 Subsequent Filings that Reference this Filing

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

 2/21/24  OPENLANE, Inc.                    10-K       12/31/23  112:14M
11/02/23  OPENLANE, Inc.                    10-Q        9/30/23   68:7.4M
 8/03/23  OPENLANE, Inc.                    10-Q        6/30/23   66:7.3M
 5/03/23  OPENLANE, Inc.                    10-Q        3/31/23   60:6.8M
 3/22/23  OPENLANE, Inc.                    10-Q/A      9/30/22   62:7.2M
 3/22/23  OPENLANE, Inc.                    10-Q/A      6/30/22   61:7M
 3/22/23  OPENLANE, Inc.                    10-Q/A      3/31/22   61:6.1M
 3/09/23  OPENLANE, Inc.                    10-K       12/31/22  111:15M
11/02/22  OPENLANE, Inc.                    10-Q        9/30/22   62:9.3M
 8/03/22  OPENLANE, Inc.                    10-Q        6/30/22   58:7.4M
 5/04/22  OPENLANE, Inc.                    10-Q        3/31/22   59:6.4M
 2/23/22  OPENLANE, Inc.                    10-K       12/31/21  110:15M
11/03/21  OPENLANE, Inc.                    10-Q        9/30/21   57:6.9M
 8/04/21  OPENLANE, Inc.                    10-Q        6/30/21   55:6.8M
 5/05/21  OPENLANE, Inc.                    10-Q        3/31/21   57:5.6M
 2/18/21  OPENLANE, Inc.                    10-K       12/31/20  105:14M
11/04/20  OPENLANE, Inc.                    10-Q        9/30/20   68:9.7M
 8/05/20  OPENLANE, Inc.                    10-Q        6/30/20   67:8.8M
Top
Filing Submission 0001395942-19-000016   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Sun., Apr. 28, 3:32:43.2am ET