    <SEC-DOCUMENT>0001395942-22-000066-index.html : 20221101
    <SEC-HEADER>0001395942-22-000066.hdr.sgml : 20221101
    <ACCEPTANCE-DATETIME>20221101161619
    ACCESSION NUMBER:		0001395942-22-000066
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		48
    CONFORMED PERIOD OF REPORT:	20221101
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20221101
    DATE AS OF CHANGE:		20221101

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			KAR Auction Services, Inc.
    		CENTRAL INDEX KEY:			0001395942
    		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
    		IRS NUMBER:				208744739
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34568
    		FILM NUMBER:		221350437

    	BUSINESS ADDRESS:
    		STREET 1:		11299 N. ILLINOIS STREET
    		CITY:			CARMEL
    		STATE:			IN
    		ZIP:			46032
    		BUSINESS PHONE:		(800) 923-3725

    	MAIL ADDRESS:
    		STREET 1:		11299 N. ILLINOIS STREET
    		CITY:			CARMEL
    		STATE:			IN
    		ZIP:			46032

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	KAR Holdings, Inc.
    		DATE OF NAME CHANGE:	20070409
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>kar-20221101.htm
    <DESCRIPTION>FORM 8-K - EARNINGS RELEASE MATERIALS
    <TEXT>
    Document 1 - file: kar-20221101.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991-q32022earningsr.htm
    <DESCRIPTION>EXHIBIT 99.1 - EARNINGS RELEASE
    <TEXT>
    Document 2 - file: exhibit991-q32022earningsr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exhibit992-q32022ersupplem.htm
    <DESCRIPTION>EXHIBIT 99.2 - EARNINGS RELEASE SUPPLEMENT
    <TEXT>
    Document 3 - file: exhibit992-q32022ersupplem.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>4
    <FILENAME>earningsslidedeckq32022f.htm
    <DESCRIPTION>EXHIBIT 99.3 - EARNINGS SLIDES
    <TEXT>
    Document 4 - file: earningsslidedeckq32022f.htm

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    Document 15 - file: earningsslidedeckq32022f008.jpg

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    Document 16 - file: earningsslidedeckq32022f009.jpg

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    Document 17 - file: earningsslidedeckq32022f010.jpg

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    Document 39 - file: image1a.jpg

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