Goodwill , Indefinite-lived Intangible Asset and Business Combination- Additional Information (Details) - USD ($)			3 Months Ended
		Nov. 05, 2021	Mar. 31, 2022	Mar. 31, 2021	Mar. 01, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill			$ 101,763,000			$ 26,227,000
Additional cash consideration required to be paid to former owners of acquired business		$ 50,000.0
Amortization of deferred revenue related to Accu-Trade Acquisition			442,000	$ 0
Dealer Inspire ("DI") and Launch Digital Marketing ("LDM")
Business Acquisition [Line Items]
Business Acquisition, Transaction Costs			900,000
Goodwill		26,227,000			$ 75,536,000
License fee			6,500,000
Cash					1,200,000
Cash settlement of CIQ Acquisition's unvested equity awards	[1]	$ 9,626,000
Revenue targets for contingent consideration performance period		3 years
Preliminary fair value of the license			6,500,000
Preliminary fair value difference			5,300,000
Amortization of deferred revenue related to Accu-Trade Acquisition			5,300,000
Accu-Trade Acquisition
Business Acquisition [Line Items]
Business Acquisition, Transaction Costs					$ 1,900,000
Credit IQ Acquisition [Member]
Business Acquisition [Line Items]
Business Acquisition, Transaction Costs		$ 1,400,000	$ 100,000
Cash settlement of CIQ Acquisition's unvested equity awards		$ 9,600,000

[1] In connection with the CIQ Acquisition, CreditIQ’s unvested equity awards were cash-settled. The fair value of these awards was $9.6 million and was based on the price paid per common share to the owners of the acquired business and recognized immediately after the CIQ Acquisition in November 2021 as compensation expense in General and administrative expense on the Company’s Consolidated Statements of Income.