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(Income Statement) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
DERIVATIVES      
Amount of Gain (Loss) Recognized in Earnings on Derivatives $ 83 $ (324) $ 294
Derivative instruments not designated as hedging instruments. | Derivatives - Interest rate contracts      
DERIVATIVES      
Amount of Gain (Loss) Recognized in Earnings on Derivatives $ 83 $ (324)