BALANCE SHEET COMPONENTS - Schedule of Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Finance lease assets	$ 12,538	$ 37,504
Property, plant and equipment, gross	310,201	547,365
Less: accumulated depreciation and amortization	(79,325)	(43,949)
Total property, plant and equipment, net	230,876	503,416
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment	62,862	239,918
Tooling
Property, Plant and Equipment [Line Items]
Property and equipment	54,471	39,389
Construction-in-progress
Property, Plant and Equipment [Line Items]
Property and equipment	66,085	135,994
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment	88,682	67,657
Software
Property, Plant and Equipment [Line Items]
Property and equipment	10,202	8,649
Land
Property, Plant and Equipment [Line Items]
Property and equipment	347	7,957
Other
Property, Plant and Equipment [Line Items]
Property and equipment	8,032	6,409
Demo vehicles
Property, Plant and Equipment [Line Items]
Property and equipment	2,955	788
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 4,027	$ 3,100