17) Fair Value of Financial Instruments: Schedule of Changes in the consolidated balance sheet line items measured (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020		Dec. 31, 2019
Net Derivatives Loan Commitments
Fair Value Balance	$ 2,491,233		$ 1,591,816
Originations/purchases	0		0
Sales, maturities and paydowns	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	7,637,377	[1]	899,417	[2]
Total gains (losses) included in other comprehensive income	0
Fair Value Balance	10,128,610		2,491,233
Loans Held For Sale
Fair Value Balance	213,457,632		136,210,853
Originations/purchases	5,627,013,749		2,606,839,175
Sales, maturities and paydowns	(5,600,045,285)		(2,580,875,055)
Transfer to mortgage loans held for investment	(16,960,549)		(31,881,851)
Transfer from fixed maturity securities held to maturity			0
Fair Value, Gains (Losses) included in earnings	199,306,871	[1]	83,164,510	[2]
Total gains (losses) included in other comprehensive income	0
Fair Value Balance	422,772,418		213,457,632
Fixed maturity securities available for sale
Fair Value Balance	3,216,382		0
Originations/purchases	0		0
Sales, maturities and paydowns	(1,042,400)		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	3,408	[3]	0	[2]
Total gains (losses) included in other comprehensive income	23,785
Fair Value Balance	$ 2,201,175		$ 3,216,382

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

[2] Included in other expenses on the consolidated statements of earnings

[3] As a component of net investment income on the consolidated statements of earnings