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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2012
Schedule Of Goodwill And Other Intangible Assets [Line Items]      
Goodwill $ 4,935 $ 4,935  
Core deposit intangible asset, estimated life 8 years 6 months    
Balance of core deposit intangibles $ 493 $ 562  
Expected amortization for 2015 92    
Expected amortization for 2016 92    
Expected amortization for 2017 92    
Expected amortization for 2018 92    
Expected amortization for 2019 92    
Expected amortization for 2020 92    
Expected amortization for 2021 $ 8    
Border Trust Company [Member]      
Schedule Of Goodwill And Other Intangible Assets [Line Items]      
Goodwill     $ 1,777