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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Carrying Values of Inventories
The carrying values of inventories are as follows (in thousands):
June 30, 2021December 31, 2020
Finished goods$105,763 $105,527 
Work in process22,076 17,021 
Obsolescence reserve(24,392)(25,477)
Inventories$103,447 $97,071