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Mortgage Revenue Bonds - Schedule of MRBs Acquisitions (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) Unit | Dec. 31, 2023 USD ($) Unit
Schedule Of Available For Sale Securities [Line Items] |  |  |
Initial Principal Funded |  | $ 56,050,000 | $ 108,005,034
Windsor Shores Apartments [Member] | MRB and Taxable MRB Commitments [Member] | Series A [Member] | SC [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired |  |  | January 2023
Units | Unit |  |  | 176
Maturity Date |  |  | Feb. 01, 2030
Interest Rate |  |  | 6.50%
Initial Principal Funded |  |  | $ 21,545,000
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-5 [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired | [1] |  | February 2023
Units | Unit | [1] |  | 200
Maturity Date | [1] |  | Apr. 01, 2025
Interest Rate | [1],[2] |  | 3.60%
Initial Principal Funded | [1] |  | $ 1,000,000
Woodington Gardens Apartments [Member] | MRB and Taxable MRB Commitments [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] | MRB and Taxable MRB Commitments [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 |
Village Point [Member] | MRB and Taxable MRB Commitments [Member] | NJ [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired |  |  | May 2023
Units | Unit | [3] |  | 120
Maturity Date |  |  | Jun. 01, 2030
Interest Rate |  |  | 6.88%
Initial Principal Funded |  |  | $ 23,000,000
Forty on Colony [Member] | MRB and Taxable MRB Commitments [Member] | Series P Mortgage [Member] | La Mesa, CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired |  |  | June 2023
Units | Unit |  |  | 40
Maturity Date |  |  | Jun. 01, 2030
Interest Rate |  |  | 7.05%
Initial Principal Funded |  |  | $ 5,950,000
Handsel Morgan Village Apartments [Member] | MRB and Taxable MRB Commitments [Member] | GA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired |  |  | April 2023
Units | Unit |  |  | 45
Maturity Date |  |  | Mar. 01, 2041
Interest Rate |  |  | 6.75%
Initial Principal Funded |  |  | $ 2,150,000
Village at Hanford Square [Member] | MRB and Taxable MRB Commitments [Member] | Series H Mortgage [Member] | Hanford, CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired |  |  | May 2023
Units | Unit |  |  | 100
Maturity Date |  |  | May 01, 2030
Interest Rate |  |  | 6.65%
Initial Principal Funded |  |  | $ 10,400,000
Wellspring Apartments [Member] | MRB and Taxable MRB Commitments [Member] | Long Beach, CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired | [4] | August 2024 |
Units | Unit | [4] | 88 |
Maturity Date | [4] | Sep. 01, 2039 |
Interest Rate | [4] | 4.85% |
Initial Principal Funded | [4] | $ 3,900,000 |
Maryalice Circle Apartments [Member] | MRB and Taxable MRB Commitments [Member] | GA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired |  |  | April 2023
Units | Unit |  |  | 98
Maturity Date |  |  | Mar. 01, 2041
Interest Rate |  |  | 6.75%
Initial Principal Funded |  |  | $ 5,900,000
The Ivy Apartments [Member] | MRB and Taxable MRB Commitments [Member] | Greenville, SC [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired |  |  | January 2023
Units | Unit |  |  | 212
Maturity Date |  |  | Feb. 01, 2030
Interest Rate |  |  | 6.50%
Initial Principal Funded |  |  | $ 30,500,000
The Safford [Member] | MRB and Taxable MRB Commitments [Member] | AZ [member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired | [5] |  | October 2023
Units | Unit | [5] |  | 200
Maturity Date | [5] |  | Oct. 10, 2026
Interest Rate | [5] |  | 7.59%
Initial Principal Funded | [5] |  | $ 7,560,034
Residency at the Mayer [Member] | MRB and Taxable MRB Commitments [Member] | Series M [Member] | Hollywood, CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Acquired | [6] | March 2024 |
Units | Unit | [6] | 79 |
Maturity Date | [6] | Apr. 01, 2039 |
Interest Rate | [6],[7] | 3.60% |
Initial Principal Funded | [6] | $ 11,500,000 |
[1] | The Partnership has committed to provide funding for the Series J-5 MRB totaling $5.0 million. See Note 16.
[2] | The interest rate is subject to an all-in floor of 3.87%.
[3] | Village Point is a seniors housing property with 120 beds in 92 units
[4] | The investment was previously reported as the Anaheim & Walnut bond purchase commitment and has converted to an MRB.
[5] | The Partnership has committed to provide funding for The Safford MRB totaling $43.0 million. See Note 16.
[6] | 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. Upon stabilization of the property, the MRB will be partially repaid and the maximum balance of the MRB after stabilization will not exceed $5.0 million.
[7] | The interest rate is subject to an all-in floor of 3.85%. Upon stabilization of the property, the interest rate will reset to a fixed rate based on the SOFR index plus 3.50% on or around the stabilization date.

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