PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Maintenance agreements, current portion	$ 8,230	$ 7,000
Income taxes receivable	1,942	633
Prepaid expenses	7,768	7,873
Other current assets	8,781	6,245
Total	$ 26,721	$ 21,751