PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Maintenance agreements, current portion	$ 7,213	$ 7,000
Short-term investments in real estate	8,695	0
Income taxes receivable	3,132	633
Prepaid expenses	6,166	7,873
Other current assets	6,721	6,245
Total	$ 31,927	$ 21,751