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Mortgage Revenue Bonds - Schedule of MRBs Acquisitions (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2022 USD ($) Unit | Dec. 31, 2023 USD ($) Unit | Dec. 31, 2022 USD ($) Unit
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Initial Principal Amount | $ |  |  | $ 108,005,034 | $ 103,447,000
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 |
Units |  |  | 176 |
Maturity Date |  |  | Feb. 01, 2030 |
Interest Rate |  |  | 6.50% |
Initial Principal Amount | $ |  |  | $ 21,545,000 |
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-1 [Member] | CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  |  | April
Units |  |  |  | 200
Maturity Date |  |  |  | Mar. 31, 2040
Interest Rate |  |  |  | 6.00%
Initial Principal Amount | $ |  |  |  | $ 9,000,000
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-2 [Member] | CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  |  | April
Units |  |  |  | 200
Maturity Date |  |  |  | Mar. 31, 2040
Interest Rate |  |  |  | 6.00%
Initial Principal Amount | $ |  |  |  | $ 7,500,000
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-3 [Member] | CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired | [1] |  |  | April
Units | [1] |  |  | 200
Maturity Date | [1] |  |  | Mar. 31, 2040
Interest Rate | [1] |  |  | 6.00%
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-4 [Member] | CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired | [1] |  |  | April
Units | [1] |  |  | 200
Maturity Date | [1] |  |  | Mar. 31, 2040
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-4 [Member] | CA [Member] | SOFR [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Interest Rate | [1],[2] |  |  | 3.60%
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 | [3] |  | February |
Units | [3] |  | 200 |
Maturity Date | [3] |  | Apr. 01, 2025 |
Initial Principal Amount | $ | [3] |  | $ 1,000,000 |
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-5 [Member] | CA [Member] | SOFR [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Interest Rate | [3],[4] |  | 3.60% |
CCBA Senior Garden Apartments [Member] | MRB and Taxable MRB Commitments [Member] | CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired | [5] |  |  | June
Units | [5] |  |  | 45
Maturity Date | [5] |  |  | Jul. 01, 2037
Interest Rate | [5] |  |  | 4.50%
Initial Principal Amount | $ | [5] |  |  | $ 3,807,000
Park at Sondrio [Member] | MRB and Taxable MRB Commitments [Member] | Series 2022A [Member] | Greenville, SC [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  |  | December
Units |  |  |  | 271
Maturity Date |  |  |  | Jan. 01, 2030
Interest Rate |  |  |  | 6.50%
Initial Principal Amount | $ |  |  |  | $ 38,100,000
Village Point [Member] | MRB and Taxable MRB Commitments [Member] | NJ [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  | May |
Units | [6] |  | 120 |
Maturity Date |  |  | Jun. 01, 2030 |
Interest Rate |  |  | 0.6875% |
Initial Principal Amount | $ |  |  | $ 23,000,000 |
Forty on Colony [Member] | MRB and Taxable MRB Commitments [Member] | Series P Mortgage [Member] | CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  | June |
Units |  |  | 40 |
Maturity Date |  |  | Jun. 01, 2030 |
Interest Rate |  |  | 7.05% |
Initial Principal Amount | $ |  |  | $ 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 |
Units |  |  | 45 |
Maturity Date |  |  | Mar. 01, 2041 |
Interest Rate |  |  | 6.75% |
Initial Principal Amount | $ |  |  | $ 2,150,000 |
Village at Hanford Square [Member] | MRB and Taxable MRB Commitments [Member] | Series H Mortgage [Member] | CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  | May |
Units |  |  | 100 |
Maturity Date |  |  | May 01, 2030 |
Interest Rate |  |  | 6.65% |
Initial Principal Amount | $ |  |  | $ 10,400,000 |
Park at Vietti [Member] | MRB and Taxable MRB Commitments [Member] | Series 2022A [Member] | Spartanburg, SC [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  |  | December
Units |  |  |  | 204
Maturity Date |  |  |  | Jan. 01, 2030
Interest Rate |  |  |  | 6.50%
Initial Principal Amount | $ |  |  |  | $ 26,985,000
Maryalice Circle Apartments [Member] | MRB and Taxable MRB Commitments [Member] | GA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  | April |
Units |  |  | 98 |
Maturity Date |  |  | Mar. 01, 2041 |
Interest Rate |  |  | 6.75% |
Initial Principal Amount | $ |  |  | $ 5,900,000 |
The Ivy Apartments [Member] | MRB and Taxable MRB Commitments [Member] | SC [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  | January |
Units |  |  | 212 |
Maturity Date |  |  | Feb. 01, 2030 |
Interest Rate |  |  | 6.50% |
Initial Principal Amount | $ |  |  | $ 30,500,000 |
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-1 [Member] | Burbank, CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  |  | December
Units |  |  |  | 148
Maturity Date |  |  |  | Dec. 01, 2040
Interest Rate | [7] |  |  | 6.45%
Initial Principal Amount | $ |  |  |  | $ 14,000,000
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-2 [Member] | Burbank, CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  |  |  | December
Units |  |  |  | 148
Maturity Date |  |  |  | Dec. 01, 2040
Interest Rate | [7] |  |  | 6.45%
Initial Principal Amount | $ |  |  |  | $ 4,000,000
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-3 [Member] | Burbank, CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired | [8] |  |  | December
Units | [8] |  |  | 148
Maturity Date | [8] |  |  | Dec. 01, 2040
Interest Rate | [7],[8] |  |  | 6.45%
Initial Principal Amount | $ | [8] |  |  | $ 55,000
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-4 [Member] | Burbank, CA [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired | [8] |  |  | December
Units | [8] |  |  | 148
Maturity Date | [8] |  |  | Dec. 01, 2040
Interest Rate | [8],[9] |  |  | 6.45%
The Safford [Member] | MRB and Taxable MRB Commitments [Member] | AZ [member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired | [10] |  | October |
Units | [10] |  | 200 |
Maturity Date | [10] |  | Oct. 10, 2026 |
Interest Rate | [10] |  | 7.59% |
Initial Principal Amount | $ | [10] |  | $ 7,560,034 |
Live 929 Apartments [Member] | Series 2022A [Member] | Baltimore, MD [Member] |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Month Acquired |  | January |  |
Units |  | 575 |  |
Maturity Date |  | Jan. 01, 2060 |  |
Interest Rate |  | 4.30% |  |
Initial Principal Amount | $ |  | $ 66,365,000 |  |
[1] | The Partnership has committed to provide funding for the Series J-3 and Series J-4 MRBs of $26.1 million and $16.4 million, respectively. See Note 19.
[2] | The interest rate is subject to an all-in floor of 3.87%. Upon stabilization, the Series J-4 MRB will become subordinate to the Series J-1, J-2 and J-3 MRBs and will convert to a fixed rate of 8.0%. Upon stabilization of the property, the MRB will be partially repaid and the maximum balance of the MRB after stabilization will not exceed $1.5 million.
[3] | The Partnership has committed to provide funding for the Series J-5 MRB totaling $5.0 million. See Note 19.
[4] | The interest rate is subject to an all-in floor of 3.87%.
[5] | The investment was previously reported as a bond purchase commitment that has converted to an MRB.
[6] | Village Point is a seniors housing property with 120 beds in 92 units.
[7] | In December 2029, the interest rate will reset to the greater of (i) 3.25% over the then 10-Year SOFR Swap rate, or (ii) 6.00%.
[8] | The Partnership has committed to provide additional funding during construction for the Series BB-3 and Series BB-4 MRBs of $13.9 million and $47.0 million, respectively. See Note 19.
[9] | Upon stabilization, the MRB will resize to an amount not to exceed $3.3 million and become subordinate to the other senior MRBs of the borrower. In December 2029, the interest rate will convert to a fixed rate of 10.0%.
[10] | The Partnership has committed to provide funding for The Safford MRB totaling $43.0 million. See Note 19.

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