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Note 7: Loans and Allowance For Loan Losses: Impaired Financing Receivable Policy (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Impaired Loans With Specific Valuation Allowance $ 39,800,000  
Impaired Loans Valuation Allowance $ 8,200,000 $ 10,000,000