PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2021

Property Plant And Equipment [Abstract]

Schedule of Property Plant and Equipment, Net

Property, plant and equipment, net, as of December 31, 2021 and 2020 consisted of the following:

	December 31,
	2021			2020
Buildings and improvements	$	25,075		$	20,330
Machinery, equipment, vehicles and office furniture		24,848			23,755
Computer equipment, hardware and software		5,617			3,836
Launch site assets		9,611			7,582
Construction in process		22,379			10,177
Property, plant and equipment—gross		87,530			65,680
Less accumulated depreciation and amortization		(22,191	)		(15,848	)
Property, plant and equipment—net	$	65,339		$	49,832

Depreciation expense recorded in the consolidated statements of operations and comprehensive loss during the years ended December 31, 2021 and 2020 consisted of the following:

	Years Ended December 31,
	2021		2020
Cost of revenues	$	4,608	$	4,527
Research and development, net		585		416
Selling, general and administrative		2,337		1,591
Total depreciation expense	$	7,530	$	6,534