Mortgage Revenue Bonds - Schedule of MRBs Acquisitions (Details) - MRB and Taxable MRB Commitments [Member]		6 Months Ended
		Jun. 30, 2025 USD ($) Unit	Jun. 30, 2024 USD ($) Unit
Schedule Of Available For Sale Securities [Line Items]
Initial Principal Funded		$ 13,349,945	$ 52,150,000
Agape Helotes [Member] | Series A-1 [Member] | Helotes, TX [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[1]	May 2025
Units | Unit	[1]	288
Maturity Date	[1]	Jan. 01, 2065
Interest Rate	[1]	6.25%
Initial Principal Funded	[1]	$ 6,060,000
Agape Helotes [Member] | Series B [Member] | Helotes, TX [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[2]	May 2025
Units | Unit	[2]	288
Maturity Date	[2]	Jan. 01, 2065
Interest Rate	[2]	8.00%
Initial Principal Funded	[2]	$ 7,289,945
Residency at the Mayer [Member] | Series M [Member] | Hollywood, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[3]		March 2024
Units | Unit	[3]		79
Maturity Date	[3]		Apr. 01, 2039
Interest Rate	[3],[4]		3.60%
Initial Principal Funded	[3]		$ 11,500,000
Woodington Gardens Apartments [Member] | Series A-1 [Member] | Baltimore, MD [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			April 2024
Units | Unit			197
Maturity Date			May 01, 2029
Interest Rate			7.80%
Initial Principal Funded			$ 31,150,000
Aventine Apartments [Member] | Bellevue, WA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			May 2024
Units | Unit			68
Maturity Date			Jun. 01, 2031
Interest Rate			7.68%
Initial Principal Funded			$ 9,500,000

[1] The Agape Helotes - Series A-1 MRB was acquired at a discount of approximately $514,000 or 8.5% of par.

[2] The Agape Helotes - Series B MRB is a capital appreciation bond, is subordinate to the Series A-1 and Series A-2 (held by third-party investors), and is payable from excess revenues of the underlying property.

[3] The borrower re-allocated $11.5 million of previously provided funding from a taxable MRB to this new MRB during the acquisition and rehabilitation phase of the property.

[4] The interest rate is subject to an all-in floor of 3.85%.