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Commitments and Contingencies - Summary of Partnership's Total and Remaining Commitments (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Jul. 31, 2023
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | $ 496,239,818 |  |
Remaining Commitment as of September 30, 2023 |  | $ 344,379,001 |  |
The Residency at Empire [Member] | Series BB-3 [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Maturity Date |  | 2029-12 |  |
Interest Rate |  | 6.00% |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | $ 152,500,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 127,405,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency At Mayer [Member] | Series A T Mortgage [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2021-10 |  |
Maturity Date | [1] | 2024-10 |  |
Total Initial Commitment |  | $ 12,500,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 4,000,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency At Mayer [Member] | Series A T Mortgage [Member] | SOFR [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Interest Rate | [2] | 3.70% |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at the Entrepreneur [Member] | Series J-3 [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-04 |  |
Maturity Date |  | 2040-03 |  |
Interest Rate | [2] | 6.00% |  |
Total Initial Commitment |  | $ 26,080,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 19,680,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at the Entrepreneur [Member] | Series J-4 [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-04 |  |
Maturity Date |  | 2040-03 |  |
Total Initial Commitment |  | $ 16,420,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 16,420,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at the Entrepreneur [Member] | Series J-4 [Member] | SOFR [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Interest Rate | [2],[3] | 3.60% |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at the Entrepreneur [Member] | Series J-5 [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2023-02 |  |
Maturity Date | [1] | 2025-04 |  |
Total Initial Commitment |  | $ 5,000,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 4,000,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at the Entrepreneur [Member] | Series J-5 [Member] | SOFR [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Interest Rate | [2] | 3.60% |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at the Entrepreneur [Member] | Series J-T [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-04 |  |
Maturity Date | [1] | 2025-04 |  |
Total Initial Commitment |  | $ 8,000,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 7,000,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at the Entrepreneur [Member] | Series J-T [Member] | SOFR [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Interest Rate | [2] | 3.65% |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at Empire [Member] | Series BB-3 [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-12 |  |
Maturity Date |  | 2040-12 |  |
Interest Rate | [2],[4] | 6.45% |  |
Total Initial Commitment |  | $ 14,000,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 12,745,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at Empire [Member] | Series BB-4 [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-12 |  |
Maturity Date |  | 2040-12 |  |
Interest Rate | [2],[5] | 6.45% |  |
Total Initial Commitment |  | $ 47,000,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 47,000,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at Empire [Member] | Series BB-T [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-12 |  |
Maturity Date | [1] | 2025-12 |  |
Interest Rate | [2] | 7.45% |  |
Total Initial Commitment |  | $ 9,404,500 |  |
Remaining Commitment as of September 30, 2023 |  | $ 8,404,500 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | Meadow Valley [Member] | Series A [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2021-12 |  |
Maturity Date |  | 2029-12 |  |
Interest Rate | [2] | 6.25% |  |
Total Initial Commitment |  | $ 44,000,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 27,560,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | Village at Hanford Square [Member] | Series H-T [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2023-05 |  |
Maturity Date |  | 2030-05 |  |
Interest Rate | [2] | 7.25% |  |
Total Initial Commitment |  | $ 10,400,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 9,400,000 |  |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | 40rty On Colony [Member] | Series P-T [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2023-06 |  |
Maturity Date |  | 2030-06 |  |
Interest Rate | [2] | 7.45% |  |
Total Initial Commitment |  | $ 5,950,000 |  |
Remaining Commitment as of September 30, 2023 |  | 4,950,000 |  |
Taxable Mortgage Revenue Bonds [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | 46,254,500 |  |
Remaining Commitment as of September 30, 2023 |  | 33,754,500 |  |
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | 97,057,835 |  |
Remaining Commitment as of September 30, 2023 |  | $ 56,620,535 |  |
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member] | Poppy Grove I [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-09 |  |
Maturity Date | [1] | 2025-04 |  |
Interest Rate | [2] | 6.78% |  |
Total Initial Commitment |  | $ 35,688,328 |  |
Remaining Commitment as of September 30, 2023 |  | $ 18,342,328 |  |
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member] | Poppy Grove II [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-09 |  |
Maturity Date | [1] | 2025-04 |  |
Interest Rate | [2] | 6.78% |  |
Total Initial Commitment |  | $ 22,250,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 13,708,700 |  |
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member] | Poppy Grove III [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-09 |  |
Maturity Date | [1] | 2025-04 |  |
Interest Rate | [2] | 6.78% |  |
Total Initial Commitment |  | $ 39,119,507 |  |
Remaining Commitment as of September 30, 2023 |  | 24,569,507 |  |
Taxable Governmental Issuer Loans [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | 56,579,465 |  |
Remaining Commitment as of September 30, 2023 |  | $ 53,579,465 |  |
Taxable Governmental Issuer Loans [Member] | Poppy Grove I [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-09 |  |
Maturity Date | [1] | 2025-04 |  |
Interest Rate | [2] | 6.78% |  |
Total Initial Commitment |  | $ 21,157,672 |  |
Remaining Commitment as of September 30, 2023 |  | $ 20,157,672 |  |
Taxable Governmental Issuer Loans [Member] | Poppy Grove II [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-09 |  |
Maturity Date | [1] | 2025-04 |  |
Interest Rate | [2] | 6.78% |  |
Total Initial Commitment |  | $ 10,941,300 |  |
Remaining Commitment as of September 30, 2023 |  | $ 9,941,300 |  |
Taxable Governmental Issuer Loans [Member] | Poppy Grove III [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-09 |  |
Maturity Date | [1] | 2025-04 |  |
Interest Rate | [2] | 6.78% |  |
Total Initial Commitment |  | $ 24,480,493 |  |
Remaining Commitment as of September 30, 2023 |  | 23,480,493 |  |
Property Loans [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | 54,681,328 |  |
Remaining Commitment as of September 30, 2023 |  | $ 31,700,050 |  |
Property Loans [Member] | Osprey Village [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2021-07 |  |
Maturity Date | [1] | 2024-08 |  |
Total Initial Commitment |  | $ 25,500,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 16,725,196 |  |
Property Loans [Member] | Osprey Village [Member] | SOFR [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Interest Rate | [2] | 3.07% |  |
Property Loans [Member] | Willow Place Apartments [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2021-09 |  |
Maturity Date | [1] | 2024-10 |  |
Total Initial Commitment |  | $ 21,351,328 |  |
Remaining Commitment as of September 30, 2023 |  | $ 7,144,854 |  |
Property Loans [Member] | Willow Place Apartments [Member] | SOFR [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Interest Rate | [2] | 3.30% |  |
Property Loans [Member] | Sandy Creek Apartments [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2023-08 |  |
Maturity Date | [1] | 2026-09 |  |
Interest Rate | [2],[6] | 8.63% |  |
Total Initial Commitment |  | $ 7,830,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 7,830,000 |  |
Property Loans [Member] | Anaheim & Walnut [Member] | SOFR [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Interest Rate | [2] | 4.85% |  |
Joint Venture Investments [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | $ 85,266,690 |  |
Remaining Commitment as of September 30, 2023 |  | $ 37,419,451 |  |
Joint Venture Investments [Member] | Vantage at San Marcos [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date | [7],[8] | 2020-11 |  |
Total Initial Commitment | [7],[8] | $ 9,914,529 |  |
Remaining Commitment as of September 30, 2023 | [7],[8] | $ 8,943,914 |  |
Joint Venture Investments [Member] | Vantage at Loveland [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date | [9] | 2021-04 |  |
Total Initial Commitment |  | $ 18,215,000 | [9] | $ 16,300,000
Remaining Commitment as of September 30, 2023 | [9] | $ 1,065,061 |  |
Joint Venture Investments [Member] | Freestone Greeley [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date | [7] | 2022-10 |  |
Total Initial Commitment | [7] | $ 16,035,710 |  |
Remaining Commitment as of September 30, 2023 | [7] | $ 11,325,008 |  |
Joint Venture Investments [Member] | Freestone Cresta Bella [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2022-11 |  |
Total Initial Commitment |  | $ 16,405,514 |  |
Remaining Commitment as of September 30, 2023 |  | $ 2,607,927 |  |
Joint Venture Investments [Member] | Valage Senior Living Carson Valley [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2023-02 |  |
Total Initial Commitment |  | $ 8,163,301 |  |
Remaining Commitment as of September 30, 2023 |  | $ 643,104 |  |
Joint Venture Investments [Member] | The Jessam At Hays Farms [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2023-07 |  |
Total Initial Commitment |  | $ 16,532,636 |  |
Remaining Commitment as of September 30, 2023 |  | 12,834,437 |  |
Bond Purchase Commitment [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Total Initial Commitment |  | 3,900,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 3,900,000 |  |
Bond Purchase Commitment [Member] | Anaheim & Walnut [Member] |  |  |  |
Commitments And Other Guarantees [Line Items] |  |  |  |
Commitment Date |  | 2021-09 |  |
Maturity Date | [10] | Q3 2024 |  |
Total Initial Commitment |  | $ 3,900,000 |  |
Remaining Commitment as of September 30, 2023 |  | $ 3,900,000 |  |
[1] | The borrowers may elect to extend the maturity date for a period ranging between six and twelve months upon meeting certain conditions, which may include payment of a non-refundable extension fee.
[2] | The variable index interest rate components are typically subject to floors that range from 0% to 0.85%.
[3] | Upon stabilization, the MRB will convert to a fixed rate of 8.0% and become subordinate to the other senior MRBs.
[4] | Beginning December 2029, the interest rate will change to the greater of (i) 3.25% over the then 10-Year SOFR Swap rate, or (ii) 6.00%.
[5] | Upon stabilization, the MRB will convert to a fixed rate of 10.0% and become subordinate to the other senior MRBs of the borrower.
[6] | The interest rate will convert to a variable rate of Term SOFR + 3.35% on February 1, 2025.
[7] | A development site has been identified for this property but construction had not commenced as of September 30, 2023.
[8] | The property became a consolidated VIE effective during the fourth quarter of 2021 (Note 5).
[9] | In July 2023, the Partnership's initial commitment of $16.3 million was increased by $1.9 million upon meeting certain conditions as outlined in the original agreement.
[10] | This is the estimated closing date of the associated bond purchase commitment.

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