DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Impact of Financial Instruments on Statement of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Effect of the Company's derivative financial instruments on the income statement
Interest expense	$ 32,397	$ 24,203	$ 66,845	$ 47,529
Interest expense
Effect of the Company's derivative financial instruments on the income statement
Interest expense	(3,227)	92	(4,320)	220
Interest rate derivatives
Effect of the Company's derivative financial instruments on the income statement
Interest expense	800		1,700
Income taxes on losses (gains) on cash flow hedges | Interest rate derivatives
Effect of the Company's derivative financial instruments on the income statement
Interest rate derivatives	$ (3,461)	$ (13,016)	$ (34,801)	$ (18,832)