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INVENTORIES (Tables)
 12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Carrying Values of Inventories
The carrying values of inventories were as follows (in thousands):
 
December 31, 2019
 
December 31, 2018
Finished goods
$
122,510

 
$
110,182

Work in process
19,721

 
17,344

Obsolescence reserve
(12,867
)
 
(12,696
)
Inventories
$
129,364

 
$
114,830