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, 2021	Mar. 31, 2020
Net Derivatives Loan Commitments
Fair Value Balance		$ 10,128,610	$ 2,491,233
Originations		0	0
Sales		0	0
Transfer to mortgage loans held for investment		0	0
Fair Value, Gains (Losses) included in earnings	[1]	314,466	3,275,032
Total gains (losses) included in other comprehensive income		0	0
Fair Value Balance		10,443,076	5,766,265
Loans Held For Sale
Fair Value Balance		422,772,418	213,457,632
Originations		1,449,841,009	792,193,592
Sales		(1,614,880,058)	(739,130,456)
Transfer to mortgage loans held for investment		(201,951)	(8,933,676)
Fair Value, Gains (Losses) included in earnings	[1]	46,498,954	23,465,484
Total gains (losses) included in other comprehensive income		0	0
Fair Value Balance		304,030,372	281,052,576
Fixed maturity securities available for sale
Fair Value Balance		2,201,175	3,216,382
Originations		0	0
Sales		(11,100)	(10,300)
Transfer to mortgage loans held for investment		0	0
Fair Value, Gains (Losses) included in earnings	[2]	893	828
Total gains (losses) included in other comprehensive income		125	68,416
Fair Value Balance		$ 2,191,093	$ 3,275,326

[1] As a component of Mortgage fee income on the condensed consolidated statements of earnings

[2] As a component of Net investment income on the condensed consolidated statements of earnings