DEBT - Composition of Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Line of Credit Facility [Line Items]
Total long-term debt, net	$ 220,894	$ 239,444
Credit Facility | Secured Debt
Line of Credit Facility [Line Items]
Less: Deferred financing costs, net	(2,234)	(3,095)
Credit Facility | Secured Debt | Term Loan Facility
Line of Credit Facility [Line Items]
Amount outstanding under the credit facility	10,128	41,539
Credit Facility | Secured Debt | Revolving Credit Facility
Line of Credit Facility [Line Items]
Amount outstanding under the credit facility	$ 213,000	$ 201,000