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Investments (Gross Unrealized Losses And Fair Value Of The Bank's Investments) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months $ 10,219 $ 27,430
Unrealized Losses, Less than 12 months 89 441
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 10,219 27,430
Unrealized Losses, Total 89 441
US Agency Obligations [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 4,045 13,593
Unrealized Losses, Less than 12 months 10 48
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 4,045 13,593
Unrealized Losses, Total 10 48
Mortgage-Backed Securities [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 2,799 985
Unrealized Losses, Less than 12 months 61 4
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 2,799 985
Unrealized Losses, Total 61 4
Municipals [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 1,728 12,852
Unrealized Losses, Less than 12 months 11 389
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 1,728 12,852
Unrealized Losses, Total 11 389
Other (Corporates) [Member]
    
Gain (Loss) on Investments [Line Items]    
Fair Value, Less than 12 months 1,647  
Unrealized Losses, Less than 12 months 7  
Fair Value, More than 12 months     
Unrealized Losses, More than 12 months     
Fair Value, Total 1,647  
Unrealized Losses, Total $ 7