OTHER ASSETS (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Security deposits, net	$ 5,707	$ 7,277
Debt issuance costs, net	6,769	8,099
Maintenance agreements, non-current portion	2,276	3,324
Restricted cash	4,801	3,022
Other	1,003	545
Total	$ 20,556	$ 22,267