Cash And Cash Equivalents (Tables) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Cash and Cash Equivalents [Line Items]    
Cash and due from banks $ 78,559 $ 52,049
Interest bearing deposits in banks 9,929 13,058
Cash and Due From Banks [Member]
   
Cash and Cash Equivalents [Line Items]    
Cash and due from banks 78,559 52,049
Interest Rate 0.18%  
FHLB [Member]
   
Cash and Cash Equivalents [Line Items]    
Interest bearing deposits in banks 1,460 4,244
Interest Rate 0.05%  
FTN [Member]
   
Cash and Cash Equivalents [Line Items]    
Interest bearing deposits in banks 1,350 1,350
Interest Rate 0.09%  
M&T Fed Funds sold [Member]
   
Cash and Cash Equivalents [Line Items]    
Interest bearing deposits in banks 6,034 6,379
Interest Rate 0.25%  
CBB Fed Funds sold [Member]
   
Cash and Cash Equivalents [Line Items]    
Interest bearing deposits in banks $ 1,085 $ 1,085
Interest Rate 0.21%