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Loans (Commercial Loan Portfolio Categorized By Internally Assigned Asset Classification) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]    
Total Loans $ 1,864,753 $ 1,802,105
Commercial Business [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 277,609 265,751
Commercial Business [Member] | Uncriticized [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 260,164 250,553
Commercial Business [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 7,708 6,311
Commercial Business [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 9,737 8,887
Commercial Business [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans      
Commercial Mortgage [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 469,936 470,312
Commercial Mortgage [Member] | Uncriticized [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 453,747 449,447
Commercial Mortgage [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 6,136 6,895
Commercial Mortgage [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 10,053 13,970
Commercial Mortgage [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans