8) Fair Value of Financial Instruments: Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net Derivatives Loan Commitments
Fair Value Balance	$ 2,491,233	$ 1,591,816
Originations	0	0
Sales	0	0
Transfer to mortgage loans held for investment	0	0
Transfer from fixed maturity securities held to maturity		0
Fair Value, Gains (Losses) included in earnings	3,275,032	899,417
Total gains (losses) included in other comprehensive income	0	0
Fair Value Balance	5,766,265	2,491,233
Loans Held For Sale
Fair Value Balance	213,457,632	136,210,853
Originations	792,193,592	2,606,839,175
Sales	(739,130,456)	(2,580,875,055)
Transfer to mortgage loans held for investment	(8,933,676)	(31,881,851)
Transfer from fixed maturity securities held to maturity		0
Fair Value, Gains (Losses) included in earnings	23,465,484	83,164,510
Total gains (losses) included in other comprehensive income	0	0
Fair Value Balance	281,052,576	213,457,632
Fixed maturity securities available for sale
Fair Value Balance	3,216,382	0
Originations	0	0
Sales	(10,300)	0
Transfer to mortgage loans held for investment	0	0
Transfer from fixed maturity securities held to maturity		3,216,382
Fair Value, Gains (Losses) included in earnings	828	0
Total gains (losses) included in other comprehensive income	68,416	68,416
Fair Value Balance	$ 3,275,326	$ 3,216,382