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Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Finished goods $ 104,112 $ 110,933
Work-in-process 30,675 19,308
Raw materials 59,737 67,778
Total Inventories $ 194,524 $ 198,019