Investments, Mortgage Loans on Real Estate, Investment Real Estate, and Notes Receivables (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Mortgage Loans [Abstract]
Mortgage loans acquired, including discounted mortgage loans	$ 4,367,644	$ 91,954
Servicing fee on loan	0.25%
Loan origination	0.50%	0.50%
Loan limit threshold for appraised property value	80.00%
Mortgage loans reserve	$ 0	$ 0
Mortgage loan holdings [Abstract]
In good standing	8,223,286	7,169,272
Overdue interest over 90 days	0	1,899,839
Total mortgage loans	8,223,286	9,069,111
Total foreclosed loans during the year	$ 234,044	$ 0
Notes receivable [Abstract]
Investments in oil/gas royalties as a % of total investment real estate portfolio	44.00%	43.00%
Investment real estate acquired	$ 1,958,982	$ 15,704,151
Valuation allowance	0	0
Notes Receivable acquired	$ 16,031,605	$ 11,496,998
Farm Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.00%	5.00%
Farm Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.00%	5.00%
Commercial Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	7.50%	7.50%
Commercial Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	4.82%	4.00%
Residential Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.50%	8.00%
Residential Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.50%	8.00%