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Inventories (Tables)
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories consist of the following (in thousands):
March 31, 2021December 31, 2020
Finished goods$60,574 $55,264 
Raw materials57,855 51,174 
Work in process13,965 9,046 
Inventories, net$132,394 $115,484