DERIVATIVES (OCI ROLLFORWARD) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
DERIVATIVES [ABSTRACT]
Aggregate unrealized net gain/(loss) at beginning of year	$ 4,182	$ (8,278)
Add: Net gain/(loss) from change in fair value of cash flow hedges	(7,913)	4,906
Less: Net (gain)/loss reclassified to earnings from effective hedges	110	(1,845)
Aggregate unrealized net gain/(loss) at end of period	$ (3,621)	$ (5,217)