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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
FUTURE MINIMUM LEASE PAYMENTS UNDER OPERATING LEASES
Future minimum lease payments are expected to be as follows:
 
 
 
 
 
Year ended December 31,
 
 
 
 
 
 
 
2018
$
27,777

 
 
2019
26,514

 
 
2020
22,661

 
 
2021
23,817

 
 
2022
22,745

 
 
Later years
84,606

 
 
Total future minimum lease payments
$
208,120