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Commitments and Contingencies - Summary of Partnership's Total and Remaining Commitments (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024
Commitments And Other Guarantees [Line Items] |  |  |
Total Initial Commitment |  | $ 378,050,905 |
Remaining Commitment as of September 30, 2024 |  | 197,891,863 |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Total Initial Commitment |  | 155,420,000 |
Remaining Commitment as of September 30, 2024 |  | $ 63,704,314 |
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, 2024 |  | $ 2,400,000 |
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 | [1],[2] |  | 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 | [3] | 2025-04 |
Total Initial Commitment |  | $ 5,000,000 |
Remaining Commitment as of September 30, 2024 |  | $ 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 | [1] |  | 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 | [3] | 2025-04 |
Total Initial Commitment |  | $ 8,000,000 |
Remaining Commitment as of September 30, 2024 |  | $ 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 | [1] |  | 3.65%
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 | [1],[4] |  | 6.45%
Total Initial Commitment |  | $ 47,000,000 |
Remaining Commitment as of September 30, 2024 |  | $ 33,200,000 |
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 | [3] | 2025-12 |
Interest Rate | [1] |  | 7.45%
Total Initial Commitment |  | $ 9,404,500 |
Remaining Commitment as of September 30, 2024 |  | $ 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 | [1] |  | 6.25%
Total Initial Commitment |  | $ 44,000,000 |
Remaining Commitment as of September 30, 2024 |  | $ 7,330,000 |
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 | [1] |  | 7.25%
Total Initial Commitment |  | $ 10,400,000 |
Remaining Commitment as of September 30, 2024 |  | $ 4,400,000 |
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 | [1] |  | 7.45%
Total Initial Commitment |  | $ 5,950,000 |
Remaining Commitment as of September 30, 2024 |  | $ 3,450,000 |
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Safford [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date |  | 2023-10 |
Maturity Date |  | 2026-10 |
Interest Rate | [1] |  | 7.59%
Total Initial Commitment |  | $ 43,000,000 |
Remaining Commitment as of September 30, 2024 |  | 16,774,314 |
Taxable Mortgage Revenue Bonds [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Total Initial Commitment |  | 33,754,500 |
Remaining Commitment as of September 30, 2024 |  | 23,254,500 |
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Total Initial Commitment |  | 61,369,507 |
Remaining Commitment as of September 30, 2024 |  | $ 19,278,207 |
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 | [3] | 2025-04 |
Interest Rate | [1] |  | 6.78%
Total Initial Commitment |  | $ 22,250,000 |
Remaining Commitment as of September 30, 2024 |  | $ 4,708,700 |
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 | [3] | 2025-04 |
Interest Rate | [1] |  | 6.78%
Total Initial Commitment |  | $ 39,119,507 |
Remaining Commitment as of September 30, 2024 |  | 14,569,507 |
Taxable Governmental Issuer Loans [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Total Initial Commitment |  | 56,579,465 |
Remaining Commitment as of September 30, 2024 |  | $ 53,421,793 |
Taxable Governmental Issuer Loans [Member] | Poppy Grove I [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date |  | 2022-09 |
Maturity Date | [3] | 2025-04 |
Interest Rate | [1] |  | 6.78%
Total Initial Commitment |  | $ 21,157,672 |
Remaining Commitment as of September 30, 2024 |  | $ 20,000,000 |
Taxable Governmental Issuer Loans [Member] | Poppy Grove II [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date |  | 2022-09 |
Maturity Date | [3] | 2025-04 |
Interest Rate | [1] |  | 6.78%
Total Initial Commitment |  | $ 10,941,300 |
Remaining Commitment as of September 30, 2024 |  | $ 9,941,300 |
Taxable Governmental Issuer Loans [Member] | Poppy Grove III [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date |  | 2022-09 |
Maturity Date | [3] | 2025-04 |
Interest Rate | [1] |  | 6.78%
Total Initial Commitment |  | $ 24,480,493 |
Remaining Commitment as of September 30, 2024 |  | 23,480,493 |
Property Loans [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Total Initial Commitment |  | 7,830,000 |
Remaining Commitment as of September 30, 2024 |  | $ 542,008 |
Property Loans [Member] | Sandy Creek Apartments [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date |  | 2023-08 |
Maturity Date | [3] | 2026-09 |
Interest Rate | [1],[5] |  | 8.63%
Total Initial Commitment |  | $ 7,830,000 |
Remaining Commitment as of September 30, 2024 |  | 542,008 |
Joint Venture Investments [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Total Initial Commitment |  | 63,097,433 |
Remaining Commitment as of September 30, 2024 |  | $ 37,691,041 |
Joint Venture Investments [Member] | Vantage at San Marcos [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date | [6],[7] | 2020-11 |
Total Initial Commitment | [6],[7] | $ 9,914,529 |
Remaining Commitment as of September 30, 2024 | [6],[7] | $ 8,943,914 |
Joint Venture Investments [Member] | Freestone Greeley [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date | [6] | 2022-10 |
Total Initial Commitment | [6] | $ 16,035,710 |
Remaining Commitment as of September 30, 2024 | [6] | $ 10,562,345 |
Joint Venture Investments [Member] | Freestone Cresta Bella [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date |  | 2023-12 |
Total Initial Commitment |  | $ 20,049,570 |
Remaining Commitment as of September 30, 2024 |  | $ 6,997,573 |
Joint Venture Investments [Member] | Freestone Ladera [Member] |  |  |
Commitments And Other Guarantees [Line Items] |  |  |
Commitment Date |  | 2023-12 |
Total Initial Commitment |  | $ 17,097,624 |
Remaining Commitment as of September 30, 2024 |  | $ 11,187,209 |
[1] | The variable index interest rate components are subject to a floor of 0.27%.
[2] | Upon stabilization, the MRB will convert to a fixed rate of 8.0% and become subordinate to the other senior MRBs.
[3] | 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.
[4] | Upon stabilization, the MRB will convert to a fixed rate of 10.0% and become subordinate to the other senior MRBs of the borrower.
[5] | The interest rate will convert to a variable rate of Term SOFR + 3.35% on February 1, 2025.
[6] | A development site has been identified for this property but construction had not commenced as of September 30, 2024.
[7] | The property became a consolidated VIE effective during the fourth quarter of 2021 (Note 3).

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