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Investments (Gross Unrealized Losses And Fair Value Of The Bank's Investments) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months $ 37,901 $ 10,995
Unrealized Losses, Less than 12 months 3,295 170
Fair Value, More than 12 months 946   
Unrealized Losses, More than 12 months 117   
Fair Value, Total 38,847 10,995
Unrealized Losses, Total 3,412 170
US Treasuries [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 3,699  
Unrealized Losses, Less than 12 months 206  
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 3,699  
Unrealized Losses, Total 206  
US Agency Obligations [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 16,274 9,116
Unrealized Losses, Less than 12 months 2,095 95
Fair Value, More than 12 months      
Unrealized Losses, More than 12 months      
Fair Value, Total 16,274 9,116
Unrealized Losses, Total 2,095 95
Mortgage-Backed Securities [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 4,833  
Unrealized Losses, Less than 12 months 153  
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 4,833  
Unrealized Losses, Total 153  
Municipals [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 11,206 1,879
Unrealized Losses, Less than 12 months 718 75
Fair Value, More than 12 months 946   
Unrealized Losses, More than 12 months 117   
Fair Value, Total 12,152 1,879
Unrealized Losses, Total 835 75
Other (Corporates) [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 1,889  
Unrealized Losses, Less than 12 months 123  
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 1,889  
Unrealized Losses, Total $ 123