Investments, Mortgage Loans, Investment Real Estate, Notes Receivable, and Short-Term Investments (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Mortgage Loans [Abstract]
Mortgage loans acquired, including discounted mortgage loans	$ 1,546,165	$ 387,039
Servicing fee on loan	0.25%
Loan origination	0.50%
Loan limit threshold for appraised property value	80.00%
Mortgage loans reserve	$ 0		$ 0
Mortgage loan holdings [Abstract]
Total mortgage loans	30,447,752		29,183,562	[1]
Investment Real Estate [Abstract]
Impairment on investment real estate	0
Total investment real estate	$ 38,985,840		$ 39,748,261	[1]
Oil & Gas Royalties - as a % of total Inv RE	42.00%		43.00%
Investment real estate acquired	$ 1,680,959	780,781
Notes Receivable [Abstract]
Valuation allowance	0		$ 0
Notes receivable acquired	$ 2,060,657	$ (0)
Minimum [Member]
Mortgage Loans [Abstract]
Loan delinquent period after which letters are sent to mortgagee	30 days
Loan delinquent period after which monthly listing of loans are provided to management	60 days
Loan delinquent period after which loans are placed on non-performing status and classified as delinquent loans	90 days
Investment Real Estate [Abstract]
Estimated useful life	3 years
Maximum [Member]
Investment Real Estate [Abstract]
Estimated useful life	30 years
Raw Land [Member]
Investment Real Estate [Abstract]
Total investment real estate	$ 13,603,157		14,538,507
Commercial [Member]
Investment Real Estate [Abstract]
Total investment real estate	5,266,333		4,347,423
Residential [Member]
Investment Real Estate [Abstract]
Total investment real estate	3,642,113		3,813,936
Land, Minerals and Royalty Interests [Member]
Investment Real Estate [Abstract]
Total investment real estate	16,474,237		17,048,395
In Good Standing [Member]
Mortgage loan holdings [Abstract]
Total mortgage loans	28,366,979		27,102,789
Overdue Interest over 90 Days [Member]
Mortgage loan holdings [Abstract]
Total mortgage loans	$ 2,080,773		$ 2,080,773
Farm Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	4.50%		4.50%
Farm Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	6.00%		6.00%
Commercial Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	4.10%		4.10%
Commercial Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	6.00%		5.50%
Residential Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	4.15%		4.15%
Residential Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.00%		5.00%

[1] Balance sheet audited at December 31, 2021.