8) Fair Value of Financial Instruments: Schedule of Financial Instruments Carried at Other Than Fair Value (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Residential Mortgage
Carrying Value	$ 113,992,719	$ 110,253,678
Estimated Carrying Value	119,728,697	115,320,638
Residential construction
Carrying Value	92,893,579	88,651,967
Estimated Carrying Value	92,893,579	88,651,967
Commercial Loan
Carrying Value	43,518,221	37,788,901
Estimated Carrying Value	43,108,562	39,289,462
Mortgage Loans Net
Carrying Value	250,404,519	236,694,546
Estimated Carrying Value	255,730,838	243,262,067
Policy Loan
Carrying Value	14,617,151	14,762,805
Estimated Carrying Value	14,617,151	14,762,805
Insurance Assignments
Carrying Value	36,955,154	39,614,939
Estimated Carrying Value	36,955,154	39,614,939
Restricted Assets 1
Carrying Value	1,541,933	2,275,756
Estimated Carrying Value	1,541,933	2,289,679
Cemetery Perpetual Care Trust Investments
Carrying Value	524,000	524,000
Estimated Carrying Value	524,000	536,553
Mortgage Servicing Rights
Carrying Value	16,777,131	17,155,529
Estimated Carrying Value	16,976,241	22,784,571
Bank And Other Loans Payable
Carrying Value	(253,965,181)	(217,572,612)
Estimated Carrying Value	(253,965,181)	(217,572,612)
Policyholder Account Balances
Carrying Value	(44,786,643)	(45,154,180)
Estimated Carrying Value	(41,477,570)	(41,828,469)
Future Policy Benefits Annuities
Carrying Value	(112,487,611)	(113,579,830)
Estimated Carrying Value	(116,245,685)	(117,304,614)
Fair Value, Inputs, Level 1 | Residential Mortgage
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Residential construction
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Commercial Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Mortgage Loans Net
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Policy Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Insurance Assignments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Restricted Assets 1
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Cemetery Perpetual Care Trust Investments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Mortgage Servicing Rights
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Bank And Other Loans Payable
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Policyholder Account Balances
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 1 | Future Policy Benefits Annuities
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Residential Mortgage
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Residential construction
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Commercial Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Mortgage Loans Net
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Policy Loan
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Insurance Assignments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Restricted Assets 1
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Cemetery Perpetual Care Trust Investments
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Mortgage Servicing Rights
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Bank And Other Loans Payable
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Policyholder Account Balances
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Future Policy Benefits Annuities
Estimated Carrying Value	0	0
Fair Value, Inputs, Level 2 | Fair Value, Inputs, Level 3
Estimated Carrying Value	92,893,579	88,651,967
Fair Value, Inputs, Level 3 | Residential Mortgage
Estimated Carrying Value	119,728,697	115,320,638
Fair Value, Inputs, Level 3 | Commercial Loan
Estimated Carrying Value	43,108,562	39,289,462
Fair Value, Inputs, Level 3 | Mortgage Loans Net
Estimated Carrying Value	255,730,838	243,262,067
Fair Value, Inputs, Level 3 | Policy Loan
Estimated Carrying Value	14,617,151	14,762,805
Fair Value, Inputs, Level 3 | Insurance Assignments
Estimated Carrying Value	36,955,154	39,614,939
Fair Value, Inputs, Level 3 | Restricted Assets 1
Estimated Carrying Value	1,541,933	2,289,679
Fair Value, Inputs, Level 3 | Cemetery Perpetual Care Trust Investments
Estimated Carrying Value	524,000	536,553
Fair Value, Inputs, Level 3 | Mortgage Servicing Rights
Estimated Carrying Value	16,976,241	22,784,571
Fair Value, Inputs, Level 3 | Bank And Other Loans Payable
Estimated Carrying Value	(253,965,181)	(217,572,612)
Fair Value, Inputs, Level 3 | Policyholder Account Balances
Estimated Carrying Value	(41,477,570)	(41,828,469)
Fair Value, Inputs, Level 3 | Future Policy Benefits Annuities
Estimated Carrying Value	$ (116,245,685)	$ (117,304,614)