DERIVATIVE INSTRUMENTS - Derivative Instruments on Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	$ (9,408)	$ (2,282)
Interest Expense	6,911	7,896
Designated as Hedging Instrument | Interest Rate Contract
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(9,408)	(2,282)
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest | Reclassification out of Accumulated Other Comprehensive Income | Interest Rate Contract
Derivative [Line Items]
Interest Expense	$ (345)	$ (1)