Financial Statement Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 90,472		$ 40,412
Accumulated depreciation and amortization	(12,077)		(10,152)
Total property and equipment, net	78,395		30,260
Depreciation and amortization	1,900	$ 700
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	25,817		14,047
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment	7,978		6,797
Land
Property, Plant and Equipment [Line Items]
Total property and equipment	1,001		1,001
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	19,359		885
Vehicles, including demonstration fleet
Property, Plant and Equipment [Line Items]
Total property and equipment	3,357		3,222
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	817		818
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 32,143		$ 13,642