17) Fair Value of Financial Instruments: Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)
Loans Held For Sale
Fair Value Balance	$ 213,457,632
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average	103.00%
Loans Held For Sale | Minimum
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs	98.00%
Loans Held For Sale | Maximum
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs	109.00%
Net Derivatives Loan Commitments
Fair Value Balance	$ 2,491,233
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average	81.00%
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	92.00%
Fixed maturity securities available for sale
Fair Value Balance	$ 3,216,382
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average	107.98%
Fixed maturity securities available for sale | Minimum
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs	95.02%
Fixed maturity securities available for sale | Maximum
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs	115.80%