DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - AOCI (Details)	3 Months Ended
	Mar. 31, 2016 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated other comprehensive income (loss), at beginning of period	$ (2,519,000)
Accumulated other comprehensive income (loss), at end of period	(10,444,000)
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	4,334,000
Interest rate swap | Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated other comprehensive income (loss), at beginning of period	(2,519,000)
Other comprehensive income (loss) before reclassifications	(9,033,000)
Amounts reclassified from accumulated other comprehensive income (loss)	1,108,000
Net current period other comprehensive income (loss)	(7,925,000)
Accumulated other comprehensive income (loss), at end of period	$ (10,444,000)