17) Fair Value of Financial Instruments: Schedule of Effect of Significant Unobservable Inputs (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Loans Held For Sale
Fair Value Balance	$ 422,772,418	$ 213,457,632
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs minimum	99.00%	98.00%
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs maximum	110.00%	109.00%
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average	104.00%	103.00%
Net Derivatives Loan Commitments
Fair Value Balance	$ 10,128,610	$ 2,491,233
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs minimum	52.00%	1.00%
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs maximum	92.00%	92.00%
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Weighted Average	81.00%	81.00%
Fixed maturity securities available for sale
Fair Value Balance	$ 2,201,175	$ 3,216,382