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Derivative Instruments And Hedging Activities (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Jul. 29, 2015
Interest Rate Swap Contracts [Member]            
Derivative [Line Items]            
Agreement related to the outstanding trust preferred capital notes, date     Dec. 04, 2008      
Agreement effective, date     Dec. 01, 2008      
Notional amount of derivatives $ 7,000   $ 7,000      
Agreement expiration date     Dec. 01, 2016      
Derivative, Fixed Interest Rate 2.85%   2.85%      
Interest Rate Swap Contracts [Member]            
Derivative [Line Items]            
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net $ 42 $ 30 $ 113 $ 30    
Other Liabilities [Member] | Interest Rate Swap Contracts [Member]            
Derivative [Line Items]            
Derivative Instruments in Hedges, Liabilities, at Fair Value $ 36   $ 36   $ 149 $ 237