DERIVATIVE INSTRUMENTS (Deferred Gain Amortization) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
DERIVATIVE INSTRUMENTS [Abstract]
Amortized to earnings as a reduction to interest expense	$ 3,036	$ 10,674	$ 4,334