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Derivative Instruments And Hedging Activities (Effect Of The Derivative Instrument On The Consolidated Balance Sheet, Consolidated Statements Of Income) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion), net of tax $ 156 $ 41 $ 190 $ 79
Interest Rate Swap Contracts [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion), net of tax 0 $ 41 $ 0 $ 79
Amount of Gain (Loss) Recognized in Income (Ineffective Portion), net of tax $ 30