Acquisition - Additional Information (Details) - USD ($) $ in Thousands			3 Months Ended
	Feb. 01, 2022	Jan. 07, 2021	Mar. 31, 2022	Mar. 31, 2021
Business Acquisition [Line Items]
Net income (loss)			$ (310,459)	$ (77,189)
Acquisition-related cost			5,700	5,700
Amortization expense for intangible assets			5,000	1,400
Non-recurring tax adjustment (benefit)			24,100	$ (26,200)
Vast Holdings, Inc. (“d/b/a CarStory”)
Business Acquisition [Line Items]
Business acquisition, date of acquisition		Jan. 07, 2021
Percentage of business acquisition rate		100.00%
Fair value of consideration transferred		$ 116,568
UACC
Business Acquisition [Line Items]
Business acquisition, date of acquisition	Feb. 01, 2022
Revenues			49,000
Net income (loss)			19,200
Transaction costs			$ 5,700
Percentage of business acquisition rate	100.00%
Fair value of consideration transferred	$ 316,100