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Real Estate Acquired in Settlement of Loans (Details 2) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Summary of activity in valuation allowance for other real estate owned in settlement of loans        
Balance, beginning of period $ 7,189,793 $ 6,319,098 $ 6,976,985 $ 6,158,433
Provision for other real estate owned 485,687 280,140 739,412 440,805
Charge-offs (201,717) (62,631) (242,634) (62,631)
Balance, end of period $ 7,473,763 $ 6,536,607 $ 7,473,763 $ 6,536,607