OTHER ASSETS (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Security deposits	$ 5,135	$ 5,508
Maintenance agreements, non-current portion	666	853
Restricted cash	4,398	4,127
Other	804	767
Total	$ 11,003	$ 11,255