BALANCE SHEETS COMPONENTS - Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	$ 1,451,675	$ 1,268,166
Less accumulated depreciation and amortization	(124,131)	(86,013)
Property, plant, and equipment — net	1,327,544	1,182,153
Land and land improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	1,050	1,050
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	197,268	195,952
Machinery, Tooling and Vehicles
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	652,725	601,791
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	32,961	27,968
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	144,457	135,533
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	19,207	15,352
Finance leases
Property, Plant and Equipment [Line Items]
Finance leases	14,779	13,601
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 389,228	$ 276,919