Fair Value Measurements, Carrying Values and Estimated Fair Values of Financial Instruments not Recorded at Fair Value (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Carrying Amount [Member]
Assets [Abstract]
Investment real estate	$ 34,675,349	$ 34,934,352
Notes receivable	15,665,605	14,424,127
Policy loans	6,495,606	6,567,434
Liabilities [Abstract]
Notes Payable	0	19,000,000
Carrying Amount [Member] | Common Stock [Member]
Assets [Abstract]
Preferred stock, at cost	15,683,343	15,683,343
Carrying Amount [Member] | Preferred Stock [Member]
Assets [Abstract]
Preferred stock, at cost	29,341,107	30,698,694
Estimated Fair Value [Member]
Assets [Abstract]
Investment real estate	83,589,276	92,425,241
Notes receivable	16,047,705	14,812,523
Policy loans	6,495,606	6,567,434
Liabilities [Abstract]
Notes Payable	0	19,000,000
Estimated Fair Value [Member] | Common Stock [Member]
Assets [Abstract]
Preferred stock, at cost	15,683,343	15,683,343
Estimated Fair Value [Member] | Preferred Stock [Member]
Assets [Abstract]
Preferred stock, at cost	28,144,052	29,735,873
Preferred stock, at cost	$ 15,683,343	15,683,343	[1]
Minimum [Member]
Liabilities [Abstract]
Policy loan interest rate	4.00%
Maximum [Member]
Liabilities [Abstract]
Policy loan interest rate	8.00%
Level 1 [Member]
Assets [Abstract]
Investment real estate	$ 0	0
Notes receivable	0	0
Policy loans	0	0
Liabilities [Abstract]
Notes Payable	0	0
Level 2 [Member]
Assets [Abstract]
Investment real estate	0	0
Notes receivable	0	0
Policy loans	0	0
Liabilities [Abstract]
Notes Payable	0	19,000,000
Level 3 [Member]
Assets [Abstract]
Investment real estate	83,589,276	92,425,241
Notes receivable	16,047,705	14,812,523
Policy loans	6,495,606	6,567,434
Liabilities [Abstract]
Notes Payable	0	0
Common Stock [Member] | Level 1 [Member]
Assets [Abstract]
Preferred stock, at cost	0	0
Common Stock [Member] | Level 2 [Member]
Assets [Abstract]
Preferred stock, at cost	0	0
Common Stock [Member] | Level 3 [Member]
Assets [Abstract]
Preferred stock, at cost	15,683,343	15,683,343
Preferred Stock [Member] | Level 1 [Member]
Assets [Abstract]
Preferred stock, at cost	0	0
Preferred Stock [Member] | Level 2 [Member]
Assets [Abstract]
Preferred stock, at cost	0	0
Preferred Stock [Member] | Level 3 [Member]
Assets [Abstract]
Preferred stock, at cost	$ 28,144,052	$ 46,906,538

[1] Balance sheet audited at December 31, 2022.