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DEBT (Tables)
12 Months Ended
Dec. 31, 2016
DEBT [Abstract]  
Scheduled principal payments of the total debt outstanding
Scheduled principal payments of the total debt outstanding at December 31, 2016 are as follows (in thousands):
 
2017
 
$
12,495
 
2018
  
20,860
 
2019
  
110,443
 
Total long-term debt
  
143,798
 
Less: Current maturities of long-term debt
  
(12,495
)
Noncurrent portion of long-term debt
 
$
131,303