Stock-based Compensation and Common Stock Share Repurchases - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 08, 2022
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Capitalized website development and internal-use software costs excluded from stock-based compensation expense	$ 1,145	$ 1,206
Payment of withholding taxes on net share settlements of restricted stock units	(2,066)	(5,430)
Unpaid withholding taxes on net share settlement of restricted stock units	3,590
Employee tax withholding requirements for net share settlements of equity awards	$ 5,656	$ 5,430
Number of shares repurchased and retired	3,989,861
Share repurchased and retired, value	$ 65,151
Share repurchased and retired at average cost price per share	$ 16.33
Class A Common Stock
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Employee tax withholding requirements and option costs due to net share settlement	335,448	155,736
Remaining value of authorized shares repurchased	$ 166,158
Class A Common Stock | Maximum
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Aggregate share repurchase price			$ 250,000
CarOffer Incentive Units and Subject Units
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Decrease in stock-based compensation expense	$ 13,695