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Inventories (Tables)
 3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory As of March 31, 2022 and December 31, 2021, Inventories consisted of the following:
(in thousands)
March 31, 2022December 31, 2021
Raw materials$58,493 $58,689 
Work in process
48,297 44,839 
Finished goods17,045 14,354 
Total inventories
$123,835 $117,882