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DERIVATIVE INSTRUMENTS - Schedule of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (4,430)		$ (6,712)
Interest expense	7,590	$ 8,562	15,486	$ 16,858
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest \| Gain (Loss) Reclassified from Accumulated OCI into Income \| Total derivatives in cash flow hedging relationships - Interest rate contracts
Derivative [Line Items]
Interest expense	(29)	27	(30)	129
Designated as Hedging Instrument \| Total derivatives in cash flow hedging relationships - Interest rate contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(4,430)	$ 438	(6,712)	$ 2,158
Designated as Hedging Instrument \| Other Assets \| Interest Rate Swap
Derivative [Line Items]
Fair value	0		0		$ 818
Designated as Hedging Instrument \| Accounts Payable and Accrued Expenses \| Interest Rate Swap
Derivative [Line Items]
Derivative liability	$ 7,598		$ 7,598		$ 1,675