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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Future minimum lease payments under operating and capital leases
As of December 31, 2016, future minimum lease payments under operating and capital leases were as follows (in thousands):
 
Operating Leases
 
Capital Leases
 
Total
2017
$
8,125

 
$
766

 
$
8,891

2018
5,813

 
749

 
6,562

2019
3,371

 
503

 
3,874

2020
1,914

 
387

 
2,301

2021
593

 

 
593

2022 and Thereafter
577

 

 
577

Total Future Minimum Lease Payments
$
20,393

 
$
2,405

 
$
22,798