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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2015
COMMITMENTS AND CONTINGENCIES [Abstract]  
Future minimum rental commitments for non-cancelable operating leases
Approximate future minimum rental commitments for non-cancelable operating leases (in thousands) are as follows:

Years ending December 31,
   
2016
 
$
1,729
 
2017
  
1,430
 
2018
  
787
 
2019
  
297
 
2020
  
112
 
Thereafter
  
 
  
$
4,355