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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2014
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,
  
2015
 
$
1,746
 
2016
  
1,348
 
2017
  
1,168
 
2018
  
552
 
2019
  
15
 
Thereafter
  
 
  
$
4,829