8) Fair Value of Financial Instruments: Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Loans Held For Sale
Fair Value Balance	$ 356,949,958	$ 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	109.00%	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	$ 11,044,365	$ 2,491,233
Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset And Liability, Range of Inputs minimum	1.00%	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	80.00%	81.00%
Fixed maturity securities available for sale
Fair Value Balance	$ 2,221,392	$ 3,216,382