Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory

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

(in thousands)	March 31, 2021		December 31, 2020
Raw materials	$	60,391	$	57,789
Work in process	41,593		40,416
Finished goods	15,038		12,273
Total inventories	$	117,022	$	110,478