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Loans and Allowance for Loan Losses (Details Textual) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Loans and Allowance for Loan Losses (Textual) [Abstract]          
Loans carrying value pledged as collateral $ 453,772,000   $ 453,772,000    
Total Impaired loans 44,918,658   44,918,658   53,619,534
Interest income recognized on impaired loans accrual status 73,095 38,010 172,619 104,322  
Borrowers delinquent once payments     30 days    
Period for payment of principal or interest     90 days    
Loans Classified As Troubled Debt Restructurings 28,327,786   28,327,786   32,165,238
Troubled debt restructurings on non-accrual status 22,939,034   22,939,034   24,948,451
Troubled debt restructurings on accrual status 5,388,752   5,388,752   7,216,787
Reserves allocated to allowance for loan losses $ 1,582,679   $ 1,582,679   $ 1,522,422
Borrower's payment according to the modified terms     90 days