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INVENTORY (Tables)
 12 Months Ended
Dec. 31, 2016
INVENTORY [Abstract]  
Carrying Values of Inventories
The carrying values of inventories are as follows (in thousands):

  
December 31,
2016
  
December 31,
2015
 
Finished goods
 
$
74,269
  
$
94,524
 
Work in process
  
9,430
   
9,295
 
Inventories
 
$
83,699
  
$
103,819