PREPAIDS AND OTHER ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid maintenance	$ 8,340	$ 6,872
Prepaid other	4,401	4,231
Prepaid advertising	1,244	1,518
Total prepaids and other assets	$ 13,985	$ 12,621