DERIVATIVES (OCI ROLLFORWARD) (DETAILS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
DERIVATIVES [ABSTRACT]
Aggregate unrealized net gain/(loss) at beginning of year	$ (19,730)	$ (25,007)	$ (32,393)	$ (26,885)
Add: Net gain/(loss) from change in fair value of cash flow hedges	5,420	631	25,290	9,519
Less: Net (gain)/loss reclassified to earnings from effective hedges	(3,487)	(4,179)	(10,694)	(11,189)
Aggregate unrealized net gain/(loss) at end of period	$ (17,797)	$ (28,555)	$ (17,797)	$ (28,555)