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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
Inventories consist of the following components (dollars in thousands):
 December 31,
2021
December 31,
2020
Finished goods$74,600 $78,010 
Work in process28,790 29,680 
Raw materials49,060 41,690 
Total inventories$152,450 $149,380