Loans Held for Investment, Net - Summary of Geography Concentration of Loans Held for Investment (Details) - USD ($)		3 Months Ended	12 Months Ended
		Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 377,576,334
Percent of Our Loan Portfolio		100.00%
Michigan [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 39,167,481
Percent of Our Loan Portfolio		10.40%
Maryland [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 33,478,944
Percent of Our Loan Portfolio		8.90%
Florida [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 4,232,500
Percent of Our Loan Portfolio		1.10%
Ohio [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 20,731,419
Percent of Our Loan Portfolio		5.50%
Illinois [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 4,976,931
Percent of Our Loan Portfolio		1.30%
Missouri [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 17,781,166
Percent of Our Loan Portfolio		4.70%
Arizona [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 16,091,216
Percent of Our Loan Portfolio		4.30%
New york [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 24,834,254
Percent of Our Loan Portfolio		6.60%
Pennsylvania [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[1]	$ 16,527,188
Percent of Our Loan Portfolio	[1]	4.40%
Nebraska [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 13,061,667
Percent of Our Loan Portfolio		3.50%
Massachusetts [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 3,036,680
Percent of Our Loan Portfolio		0.80%
West Virginia [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 12,094,954
Percent of Our Loan Portfolio		3.20%
Connecticut [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 5,450,000
Percent of Our Loan Portfolio		1.40%
Oregon [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal		$ 760,000
Percent of Our Loan Portfolio		0.20%
Credit Quality Indicators [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 377,576,334	$ 355,745,305
Percent of Our Loan Portfolio		100.00%	100.00%
Credit Quality Indicators [Member] | Michigan [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 57,058,369	$ 56,466,635
Percent of Our Loan Portfolio		15.00%	16.00%
Credit Quality Indicators [Member] | Maryland [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 54,209,643	$ 53,907,352
Percent of Our Loan Portfolio		14.00%	15.00%
Credit Quality Indicators [Member] | Florida [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 47,748,013	$ 48,815,066
Percent of Our Loan Portfolio		13.00%	14.00%
Credit Quality Indicators [Member] | Ohio [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 32,495,778	$ 27,902,362
Percent of Our Loan Portfolio		9.00%	8.00%
Credit Quality Indicators [Member] | Illinois [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 26,502,449	$ 25,599,133
Percent of Our Loan Portfolio		7.00%	7.00%
Credit Quality Indicators [Member] | Missouri [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 32,781,166	$ 25,191,575
Percent of Our Loan Portfolio		9.00%	7.00%
Credit Quality Indicators [Member] | Arizona [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 25,262,329	$ 24,466,609
Percent of Our Loan Portfolio		7.00%	7.00%
Credit Quality Indicators [Member] | New york [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 24,834,254	$ 22,611,938
Percent of Our Loan Portfolio		7.00%	6.00%
Credit Quality Indicators [Member] | Pennsylvania [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 21,782,997	$ 21,674,160
Percent of Our Loan Portfolio		6.00%	6.00%
Credit Quality Indicators [Member] | Nebraska [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 13,061,667	$ 13,061,667
Percent of Our Loan Portfolio		3.00%	4.00%
Credit Quality Indicators [Member] | Massachusetts [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 11,107,621	$ 12,308,310
Percent of Our Loan Portfolio		3.00%	3.00%
Credit Quality Indicators [Member] | West Virginia [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 12,094,954	$ 11,706,059
Percent of Our Loan Portfolio		3.00%	3.00%
Credit Quality Indicators [Member] | California [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 6,680,000	$ 0
Percent of Our Loan Portfolio		2.00%	0.00%
Credit Quality Indicators [Member] | Nevada [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 5,747,094	$ 5,764,439
Percent of Our Loan Portfolio		2.00%	2.00%
Credit Quality Indicators [Member] | Connecticut [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 5,450,000	$ 5,450,000
Percent of Our Loan Portfolio		1.00%	2.00%
Credit Quality Indicators [Member] | Oregon [Member]
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Outstanding Principal	[2]	$ 760,000	$ 820,000
Percent of Our Loan Portfolio		0.00%	0.00%

[1] As of May 1, 2023, Loan #9 was placed on non-accrual status and remains on non-accrual as of March 31, 2024. Loan #9 is included on the consolidated balance sheet as a loan held for investment – related party (Note 7).

[2] The principal balance of the loans not secured by real estate collateral are included in the jurisdiction representing the principal place of business.