Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) Segment	Dec. 31, 2022 USD ($)
Business Segments [Abstract]
Number of business segments | Segment	1
Reinsurance [Abstract]
Maximum retention limits per life	$ 125,000
Recently Issued Accounting Standards [Abstract]
Allowance for credit loss	250,000	$ 0
Retained earnings	(133,491,797)	(131,989,352)
Reclassifications [Abstract]
Investment real estate, net	21,975,120	26,225,799	[1]
Equity securities, at cost	15,977,368	21,891,896
Held to maturity, redeemable preferred stock, at amortized cost	2,500,000	2,500,000
Unfunded Loan Commitments [Member]
Recently Issued Accounting Standards [Abstract]
Allowance for credit loss	$ (51,000)	(0)
Adjustments [Member] | Real Estate Investment [Member]
Reclassifications [Abstract]
Investment real estate, net		(8,700,000)
Equity securities, at cost		8,700,000
Adjustments [Member] | Redeemable Preferred Stock [Member]
Reclassifications [Abstract]
Equity securities, at cost		(2,500,000)
Held to maturity, redeemable preferred stock, at amortized cost		2,500,000
Chief Executive Officer and Chairman of the Board [Member]
Ownership Interest [Abstract]
Ownership interest percentage	66.00%
ASU 2016-13 [Member]
Recently Issued Accounting Standards [Abstract]
Allowance for credit loss		524,000
ASU 2016-13 [Member] | Unfunded Loan Commitments [Member]
Recently Issued Accounting Standards [Abstract]
Allowance for credit loss		$ 51,000
Minimum [Member]
Investment Real Estate [Abstract]
Estimated useful life	3 years
Maximum [Member]
Investment Real Estate [Abstract]
Estimated useful life	30 years
Life Insurance [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate	2.00%
Life Insurance [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate	6.00%
Annuities [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate	2.50%
Annuities [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate	7.50%
Universal Life [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates	3.00%	3.00%
Universal Life [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates	6.00%	6.00%
Interest Sensitive Life [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates	3.00%	3.00%
Interest Sensitive Life [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates	6.00%	6.00%
FSBI [Member] | FSNB [Member]
Ownership Interest [Abstract]
Ownership in subsidiary bank	100.00%
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Recently Issued Accounting Standards [Abstract]
Retained earnings		$ (454,250)

[1] The Company has elected to reclassify certain investments to conform with the presentation for the year ended December 31, 2023. These reclassifications had no impact on previously reported net income.