COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2017

COMMITMENTS AND CONTINGENCIES [Abstract]

Aggregate Future Minimum Rental Payments Required under Non-Cancelable Operating Leases

Aggregate future minimum rental payments required under non-cancelable operating leases at December 31, 2017 are as follows:

Year
2018	$	3,277
2019		2,193
2020		1,842
2021		1,257
2022		1,350
Thereafter		8,358
Total minimum lease payments	$	18,277