CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Revenues:
Revenue		$ 68,862,000	$ 35,839,000
Cost of revenues:
Cost of revenues		299,288,000	249,906,000
Gross loss		(230,426,000)	(214,067,000)
Operating expenses:
Research and development		158,061,000	208,160,000
Selling, general and administrative		191,212,000	198,768,000
Impairment expense		336,758,000	0
Loss on supplier deposits		0	28,834,000
Total operating expenses		686,031,000	435,762,000
Loss from operations		(916,457,000)	(649,829,000)
Other income (expense):
Interest expense, net		(22,824,000)	(76,023,000)
Gain on divestiture of affiliate		0	70,849,000
Loss on debt extinguishment		(6,004,000)	(31,025,000)
Inducement expense		(7,714,000)	0
Other expense, net		(3,529,000)	(162,163,000)
Loss before income taxes and equity in net loss of affiliates		(956,528,000)	(848,191,000)
Income tax expense		71,000.0	12,000.0
Loss before equity in net loss of affiliates		(956,599,000)	(848,203,000)
Equity in net loss of affiliates		(1,630,000)	(16,418,000)
Net loss from continuing operations		(958,229,000)	(864,621,000)
Discontinued operations:
Loss from discontinued operations		0	(76,726,000)
Loss from deconsolidation of discontinued operations		0	(24,935,000)
Net loss from discontinued operations		0	(101,661,000)
Net loss		$ (958,229,000)	$ (966,282,000)
Net loss per share
Net loss from continuing operations, basic (in dollars per share)	[1]	$ (17.56)	$ (32.42)
Net loss from continuing operations, diluted (in dollars per share)	[1]	(17.56)	(32.42)
Net loss from discontinued operations, basic (in dollars per share)	[1]	0	(3.81)
Net loss from discontinued operations, diluted (in dollars per share)	[1]	0	(3.81)
Net loss, basic (in dollars per share)	[1]	(17.56)	(36.23)
Net loss, diluted (in dollars per share)	[1]	$ (17.56)	$ (36.23)
Weighted-average number of shares outstanding,
Basic (in shares)	[1]	54,558,229	26,667,685
Diluted (in shares)	[1]	54,558,229	26,667,685
Truck sales
Revenues:
Revenue		$ 62,210,000	$ 30,061,000
Cost of revenues:
Cost of revenues		279,854,000	242,519,000
Service and other
Revenues:
Revenue		6,652,000	5,778,000
Cost of revenues:
Cost of revenues		$ 19,434,000	$ 7,387,000

[1] Amounts have been adjusted to reflect the one-for-thirty (1-for-30) reverse stock split that became effective on June 24, 2024. See Note 1, Basis of Presentation.