DERIVATIVE INSTRUMENTS (Offsetting Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative assets - gross amounts	$ 17,227	$ 8,178
Derivative assets - gross amounts offset	(7,136)	(3,053)
Derivative assets- net amounts	10,091	5,125
Derivative liabilities - gross amounts	22,881	17,439
Derivative liabilities - gross amounts offset	(7,136)	(3,053)
Derivative liabilities- net amounts	$ 15,745	$ 14,386

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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