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Derivative Instruments And Hedging Activities (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Jul. 29, 2015
Derivative [Line Items]        
Derivative, Gain on Derivative $ 33 $ 0    
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      
Agreement expiration date Dec. 01, 2016      
Derivative, Fixed Interest Rate 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 $ 33      
Other Liabilities [Member] | Interest Rate Swap Contracts [Member]        
Derivative [Line Items]        
Derivative Instruments in Hedges, Liabilities, at Fair Value $ 116   $ 149 $ 237