DERIVATIVES (OCI ROLLFORWARD) (DETAILS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
DERIVATIVES [ABSTRACT]
Aggregate unrealized net gain/(loss) at beginning of year	$ (32,393)	$ (26,885)
Add: Net gain/(loss) from change in fair value of cash flow hedges	12,320	9,032
Less: Net (gain)/loss reclassified to earnings from effective hedges	(4,136)	(3,553)
Aggregate unrealized net gain/(loss) at end of period	$ (24,209)	$ (21,406)