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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Carrying Values of Inventories
The carrying values of inventories were as follows (in thousands):
 December 31, 2020December 31, 2019
Finished goods$114,029 $122,510 
Work in process8,519 19,721 
Obsolescence reserve(25,477)(12,867)
Inventories$97,071 $129,364