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Other Borrowed Money (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Other Borrowed Money [Abstract]    
Federal Home Loan Bank Advances $ 35,000,000 $ 71,000,000
Other Borrowings 35,000,000 71,000,000
Federal Home Loan Bank advances, earliest maturity 2012  
Federal Home Loan Bank advances, last maturity 2019  
Interest rate on Federal Home Loan Bank advances, minimum 3.17%  
Interest rate on Federal Home Loan Bank advances, maximum 4.75%  
Available-for-sale investment securities with carrying value 8,852,000  
Remaining credit availability from FHLB 141,090,000  
Aggregate stated maturities of other borrowed money [Abstract]    
2012 5,000,000  
2013 0  
2014 0  
2015 and Thereafter 30,000,000  
Maturities of other borrowed, total 35,000,000 71,000,000
Federal funds lines of credit 43,000,000  
Federal funds lines of credit outstanding 0  
Borrowing capacity available under the agreement 5,500,000  
Available-for-sale investment securities pledged as collateral $ 5,600,000