DERIVATIVES (OCI ROLLFORWARD) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
DERIVATIVES [ABSTRACT]
Aggregate unrealized net gain/(loss) at beginning of year	$ (765)	$ (17,259)	$ (8,278)	$ (15,746)
Add: Net gain/(loss) from change in fair value of cash flow hedges	1,695	8,429	11,791	14,374
Less: Net (gain)/loss reclassified to earnings from effective hedges	(793)	(2,981)	(3,376)	(10,439)
Aggregate unrealized net gain/(loss) at end of period	$ 137	$ (11,811)	$ 137	$ (11,811)