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Securities (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2012
Obligations of U.S. Government agencies and corporations [Member]
Jun. 30, 2012
Obligations of state and political subdivisions [Member]
Jun. 30, 2012
Mortgage-backed securities [Member]
Jun. 30, 2012
Equity securities [Member]
Jun. 30, 2012
Debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]              
Investment Portfolio Percentage     61.00% 36.00% 3.00%    
Maturity Date       Most of the municipal bonds are general obligation bonds with maturities or pre-refunding dates within 5 years.      
Securities in Unrealzied Loss Position           10 30
Securities in Unrealized Loss Positions for 12 Months or More           7  
Fair value of pledged assets $ 30,973 $ 25,953