Financial Statement Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 98,892		$ 98,892		$ 40,412
Accumulated depreciation and amortization	(26,245)		(26,245)		(10,152)
Total property and equipment, net	72,647		72,647		30,260
Depreciation and amortization	10,800	$ 1,100	16,200	$ 2,800
Restructuring and related cost, accelerated depreciation	6,600
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	59,495		59,495		14,047
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment	8,777		8,777		6,797
Land
Property, Plant and Equipment [Line Items]
Total property and equipment	1,001		1,001		1,001
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	20,539		20,539		885
Vehicles, including demonstration fleet
Property, Plant and Equipment [Line Items]
Total property and equipment	3,331		3,331		3,222
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	858		858		818
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 4,891		$ 4,891		$ 13,642