Accrued Expenses and Other Current Liabilities - Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accrued Liabilities And Other Liabilities [Abstract]
Vehicle payable	$ 15,981	$ 30,647
Reserve for estimated returns	17,675	26,522
Other	2,703	435
Total other current liabilities	$ 36,359	$ 57,604