DERIVATIVE INSTRUMENTS - Schedule of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (2,251)		$ (9,819)
Interest expense	7,694	$ 8,193	23,180	$ 25,051
Total derivatives in cash flow hedging relationships - Interest rate contracts | Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest | Gain (Loss) Reclassified from Accumulated OCI into Income
Derivative [Line Items]
Interest expense	56	64	26	193
Designated as Hedging Instrument | Total derivatives in cash flow hedging relationships - Interest rate contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(2,251)	$ 948	(9,819)	$ 3,106
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	$ 9,793		$ 9,793		$ 1,675