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Mortgage Revenue Bonds - Schedule of Terms of partnership's MRBs After Conversions (Details) | 1 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2023 USD ($) Unit | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($)
Debt Securities, Available-for-Sale [Line Items] |  |  |
Post-Conversion Principal |  | $ 100,445,000 | $ 20,307,000
Mortgage Revenue Bonds [Member] |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Post-Conversion Principal | $ 4,000,000 |  |
Mortgage Revenue Bonds [Member] | Ocotillo Springs Series A [Member] | Brawley, CA [Member] |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Units | Unit | 75 |  |
Maturity Date | Aug. 01, 2038 |  |
Fixed Interest Rate | 4.35% |  |
Post-Conversion Principal | $ 3,500,000 |  |
Mortgage Revenue Bonds [Member] | Ocotillo Springs Series A 1 [Member] | Brawley, CA [Member] |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Units | Unit | 75 |  |
Maturity Date | Aug. 01, 2038 |  |
Fixed Interest Rate | 6.50% |  |
Post-Conversion Principal | $ 500,000 |  |

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