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Securities (Gross Unrealized Losses And Fair Value Of The Bank's Investments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months $ 10,995 $ 27,430
Unrealized Losses, Less than 12 months 170 441
Fair Value, Total 10,995 27,430
Unrealized Losses, Total 170 441
US Agency Obligations [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 9,116 13,593
Unrealized Losses, Less than 12 months 95 48
Fair Value, Total 9,116 13,593
Unrealized Losses, Total 95 48
Mortgage-Backed Securities [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months   985
Unrealized Losses, Less than 12 months   4
Fair Value, Total   985
Unrealized Losses, Total   4
Municipals [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 1,879 12,852
Unrealized Losses, Less than 12 months 75 389
Fair Value, Total 1,879 12,852
Unrealized Losses, Total $ 75 $ 389