CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue:
Total revenue	$ 3,184,255	$ 1,357,700	$ 1,191,821
Cost of sales	2,982,156	1,286,155	1,133,962
Total gross profit	202,099	71,545	57,859
Selling, general and administrative expenses	547,823	245,546	184,988
Depreciation and amortization	12,891	4,598	6,019
Loss from operations	(358,615)	(178,599)	(133,148)
Interest expense	21,948	9,656	14,596
Interest income	(10,341)	(5,896)	(5,607)
Revaluation of preferred stock warrant		20,470	769
Other income, net	(65)	(114)	(96)
Loss before provision for income taxes	(370,157)	(202,715)	(142,810)
Provision for income taxes	754	84	168
Net loss	(370,911)	(202,799)	(142,978)
Accretion of redeemable convertible preferred stock			(132,750)
Net loss attributable to common stockholders	$ (370,911)	$ (202,799)	$ (275,728)
Net loss per share attributable to common stockholders, basic and diluted	$ (2.72)	$ (2.76)	$ (32.04)
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, basic and diluted	136,429,791	73,345,569	8,605,962
Retail vehicle, net
Revenue:
Total revenue	$ 2,583,417	$ 1,072,551	$ 952,910
Wholesale vehicle
Revenue:
Total revenue	498,981	245,580	213,464
Product, net
Revenue:
Total revenue	88,824	38,195	23,708
Other
Revenue:
Total revenue	$ 13,033	$ 1,374	$ 1,739