PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Maintenance agreements, current portion	$ 7,000	$ 6,367
Income taxes receivable	633	5,258
Prepaid expenses	7,873	6,989
Other current assets	6,245	4,953
Total	$ 21,751	$ 23,567