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17) Fair Value of Financial Instruments: Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets (Details) | 12 Months Ended
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Dec. 31, 2018 USD ($)
Loans Held For Sale |
Fair Value Balance | $ 136,210,853
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average | 103.60%
Loans Held For Sale | Minimum |
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs | 95.60%
Loans Held For Sale | Maximum |
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs | 107.50%
Net Derivatives Loan Commitments |
Fair Value Balance | $ 1,591,816
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average | 17.00%
Net Derivatives Loan Commitments | Minimum |
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs | 1.00%
Net Derivatives Loan Commitments | Maximum |
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs | 99.00%

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