XML 47 R31.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Sale of ADESA U.S. Physical Auction Business and Discontinued Operations (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
May 09, 2022 | Mar. 31, 2024 | Mar. 31, 2023
Discontinued Operations |  |  |
Term of commercial agreement | 7 years |  |
Net cash inflow from the commercial agreement and transition services |  | $ 29.8 | $ 30.0
Service Revenue - KAR to ADESA U.S. Physical Auctions |  | 0.4 | 21.9
Cost of Service - KAR to ADESA U.S. Physical Auctions |  | $ 0.4 | $ 21.9

X
- Definition Cost of Service - KAR to ADESA U.S. Physical Auctions + References No definition available. + Details
Name: | kar_CostOfServiceKARToADESAUSPhysicalAuctions
Namespace Prefix: | kar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Service Revenue - KAR to ADESA U.S. Physical Auctions + References No definition available. + Details
Name: | kar_ServiceRevenueKARToADESAUSPhysicalAuctions
Namespace Prefix: | kar_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from (to) the discontinued operation after the disposal transaction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-4B + Details
Name: | us-gaap_DiscontinuedOperationAmountOfContinuingCashFlowsAfterDisposal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Period of expected continuing involvement with a discontinued operation after the disposal date, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-4B + Details
Name: | us-gaap_DiscontinuedOperationPeriodOfContinuingInvolvementAfterDisposal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration