DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated other comprehensive income (loss), at beginning of period	$ (2,519)
Accumulated other comprehensive income (loss), at end of period	(509)	$ (2,519)
Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) expected to be reclassified from AOCI to earnings during the next twelve months	3,048
Interest rate swap | Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated other comprehensive income (loss), at beginning of period	(2,519)	0	$ 0
Other comprehensive income (loss) before reclassifications	(2,227)	(3,381)	0
Amounts reclassified from accumulated other comprehensive income (loss) (1)	4,237	862	0
Net current period other comprehensive income (loss)	2,010	(2,519)	0
Accumulated other comprehensive income (loss), at end of period	$ (509)	$ (2,519)	$ 0