CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue:
Total revenue	$ 761,890	$ 253,093	$ 1,353,008	$ 628,865
Cost of sales	698,762	245,486	1,253,704	602,871
Total gross profit	63,128	7,607	99,304	25,994
Selling, general and administrative expenses	123,898	47,911	232,764	106,291
Depreciation and amortization	3,058	1,083	5,900	2,049
Loss from operations	(63,828)	(41,387)	(139,360)	(82,346)
Interest expense	3,880	1,297	7,692	4,123
Interest income	(2,062)	(715)	(4,358)	(2,671)
Revaluation of preferred stock warrant		21,260		20,470
Other income, net	(33)	(53)	(48)	(86)
Loss before provision for income taxes	(65,613)	(63,176)	(142,646)	(104,182)
Provision for income taxes	194	52	350	105
Net loss	$ (65,807)	$ (63,228)	$ (142,996)	$ (104,287)
Net loss per share attributable to common stockholders, basic and diluted	$ (0.48)	$ (2.00)	$ (1.05)	$ (5.21)
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, basic and diluted	136,507,177	31,599,497	136,002,344	20,035,476
Retail vehicle, net
Revenue:
Total revenue	$ 608,116	$ 196,150	$ 1,062,439	$ 504,862
Wholesale vehicle
Revenue:
Total revenue	128,108	50,921	246,132	106,497
Product, net
Revenue:
Total revenue	22,306	5,736	37,878	16,780
Other
Revenue:
Total revenue	$ 3,360	$ 286	$ 6,559	$ 726