Inventory (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2022

Dec. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory

	As of
	March 31, 2022		December 31, 2021
	(In thousands)
Raw materials	$	21,738	$	18,890
Work in process	29,839		27,123
Inventories, gross	51,577		46,013
Provision for contract losses	(5,796)		(11,626)
Reserve for inventory excess and obsolescence	(1,053)		(460)
Inventory	$	44,728	$	33,927

Inventory consists of the following as of December 31, 2021, and December 31, 2020:

	As of
	December 31, 2021		December 31, 2020
	(In thousands)
Raw materials	$	18,890	$	66
Work in process	27,123		—
Inventories, gross	46,013		66
Provision for contract losses	(11,626)		—
Reserve for inventory excess and obsolescence	(460)		—
Inventory	$	33,927	$	66