PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Maintenance agreements, current portion	$ 8,131	$ 7,000
Income taxes receivable	988	633
Prepaid expenses	7,975	7,873
Other current assets	10,653	6,245
Total	$ 27,747	$ 21,751