DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Impact of Financial Instruments on Statement of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Effect of the Company's derivative financial instruments on the income statement
Interest expense	$ 34,448	$ 23,326
Interest expense
Effect of the Company's derivative financial instruments on the income statement
Interest expense	(1,093)	128
Interest rate derivatives
Effect of the Company's derivative financial instruments on the income statement
Interest expense	900
Cash Flow Hedging | Interest rate derivatives
Effect of the Company's derivative financial instruments on the income statement
Interest rate derivatives	$ (31,340)	$ (5,816)