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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories consist of the following (in thousands):
 
March 31, 2020
 
December 31, 2019
Finished goods
$
50,621

 
$
54,064

Raw materials
54,294

 
54,638

Work in process
13,590

 
11,798

Inventories, net
$
118,505

 
$
120,500