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Inventories (Tables)
 6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
As of June 30, 2022 and December 31, 2021, Inventories consisted of the following:
(in thousands)
June 30, 2022December 31, 2021
Raw materials$65,162 $58,689 
Work in process
50,557 44,839 
Finished goods17,948 14,354 
Total inventories
$133,667 $117,882