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Inventories
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following components (dollars in thousands):
 December 31,
2020
December 31,
2019
Finished goods$78,010 $68,350 
Work in process29,680 30,560 
Raw materials41,690 33,750 
Total inventories$149,380 $132,660