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DERIVATIVE INSTRUMENTS (Offsetting Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative assets - gross amounts	$ 6,703	$ 8,178
Derivative assets - gross amounts offset	(1,420)	(3,053)
Derivative assets- net amounts	5,283	5,125
Derivative liabilities - gross amounts	15,801	17,439
Derivative liabilities - gross amounts offset	(1,420)	(3,053)
Derivative liabilities- net amounts	$ 14,381	$ 14,386

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- Definition

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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