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Allowance for Loan Losses (Loan Portfolio Summarized by Categories) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio $ 538,595 $ 531,793
Commercial [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 134,352 120,102
Commercial loans secured by real estate [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 404,243 411,691
Pass [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 527,587 505,411
Pass [Member] | Commercial [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 128,253 108,623
Pass [Member] | Commercial loans secured by real estate [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 399,334 396,788
Special Mention [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 727 15,841
Special Mention [Member] | Commercial [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 100 8,880
Special Mention [Member] | Commercial loans secured by real estate [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 627 6,961
Substandard [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 9,586 10,081
Substandard [Member] | Commercial [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 5,861 2,599
Substandard [Member] | Commercial loans secured by real estate [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 3,995 7,482
Doubtful [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 425 460
Doubtful [Member] | Commercial [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio 138   
Doubtful [Member] | Commercial loans secured by real estate [Member]
   
Loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard and Doubtful within the internal risk rating system    
Loan portfolio $ 287 $ 460