Inventories (Tables)

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory

As of June 30, 2021 and December 31, 2020, Inventories consisted of the following:

(in thousands)	June 30, 2021		December 31, 2020
Raw materials	$	59,627	$	57,789
Work in process	45,436		40,416
Finished goods	15,602		12,273
Total inventories	$	120,665	$	110,478