Investments, Mortgage Loans, Investment Real Estate, Notes Receivable, and Short-Term Investments (Details) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Mortgage Loans [Abstract]
Mortgage loans acquired, including discounted mortgage loans	$ 217,864	$ 1,560,291
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]
Mortgage loans, gross	29,165,729		30,698,694
Less allowance for credit losses	(370,000)		0
Mortgage loans, gross	28,795,729		30,698,694	[1]
Investment Real Estate [Abstract]
Impairment on investment real estate	0
Total investment real estate	$ 34,557,435		$ 34,934,352	[1]
Oil & Gas Royalties - as a % of total Inv RE	40.00%		42.00%
Investment real estate acquired	$ 3,581,370	3,271,775
Notes Receivable [Abstract]
Notes receivable acquired	2,953,241	3,910,657
Notes receivable	13,038,853		$ 14,424,127
Less allowance for credit losses	(170,000)		0
Total notes receivable, net	12,868,853		14,424,127	[1]
Short-Term Investments [Abstract]
Short-term investments acquired	$ 9,701,297	$ (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	$ 9,591,143		11,634,472
Commercial [Member]
Investment Real Estate [Abstract]
Total investment real estate	7,616,305		5,124,847
Residential [Member]
Investment Real Estate [Abstract]
Total investment real estate	5,241,486		3,402,502
Land, Minerals and Royalty Interests [Member]
Investment Real Estate [Abstract]
Total investment real estate	12,108,501		14,772,531
Farm Loans [Member]
Mortgage loan holdings [Abstract]
Mortgage loans, gross	$ 356,095		$ 383,278
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	5.00%		5.00%
Commercial Loans [Member]
Mortgage loan holdings [Abstract]
Mortgage loans, gross	$ 28,600,878		$ 30,102,775
Commercial Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	4.00%		4.00%
Commercial Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	7.00%		7.00%
Residential Loans [Member]
Mortgage loan holdings [Abstract]
Mortgage loans, gross	$ 208,756		$ 212,641
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, 2022.