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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
	Dec. 31, 2017 USD ($)
Loans Held for Sale
Fair Value Balance	$ 133,414,188
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average	102.80%
Loans Held for Sale | Minimum
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs	100.00%
Loans Held for Sale | Maximum
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs	110.50%
Net Derivatives Loan Commitments
Fair Value Balance	$ 1,996,589
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average	19.00%
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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