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Governmental Issuer Loans - Additional Information (Details) | 1 Months Ended |  |  |
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Jul. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Feb. 29, 2024 USD ($) | Aug. 31, 2023 USD ($) | Jul. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) Property Entities | Dec. 31, 2023 USD ($) Property | Jan. 01, 2023 USD ($)
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Number of Variable Interest Entities | Property |  |  |  |  |  |  | 29 | 33 |
Allowance for credit losses |  |  |  |  |  |  |  |  | $ 5,900,000
Governmental Issuer Loans [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Accrued interest receivable |  |  |  |  |  |  | $ 1,300,000 | $ 1,500,000 |
Number of Variable Interest Entities | Entities |  |  |  |  |  |  | 2 |  |
Outstanding principal |  |  |  |  |  |  | $ 128,900,000 |  |
Property Loans [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Outstanding principal |  |  |  |  |  |  | $ 7,300,000 |  |
Magnolia Heights [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Partnership recognized loan fee |  | $ 20,000 |  |  |  |  |  |  |
Magnolia Heights [Member] | Governmental Issuer Loans [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Partnership recognized loan fee |  | $ 51,000 |  |  |  |  |  |  |
Osprey Village [Member] | Governmental Issuer Loans [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Partnership recognized loan fee | $ 150,000 |  |  |  |  |  |  |  |
Scharbauer Flats Apartments [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Partnership recognized loan fee |  |  |  |  |  | $ 33,000 |  |  |
Extension fees received |  |  |  |  |  | $ 100,000 |  |  |
Scharbauer Flats Apartments [Member] | Governmental Issuer Loans [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Partnership recognized loan fee | $ 87,000 |  | $ 87,000 |  |  |  |  |  |
Maturity date |  |  |  |  |  | Jan. 01, 2024 |  |  |
Hope on Avalon GIL [Member] | Governmental Issuer Loans [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Extension fees received |  |  |  |  | $ 70,000 |  |  |  |
Maturity date |  |  |  |  | Feb. 01, 2024 |  |  |  |
Sandy Creek Apartments [Member] | Governmental Issuer Loans [Member] |  |  |  |  |  |  |  |  |
Governmental Issuer Loans [Line Items] |  |  |  |  |  |  |  |  |
Total commitment fully funded |  |  |  | $ 12,100,000 |  |  |  |  |

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