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Mortgage Revenue Bonds - Schedule of MRBs Acquisitions (Parenthetical) (Details) | Sep. 30, 2023 USD ($) Unit Bed | Sep. 30, 2022 USD ($) Unit
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |  |
Committed to funding amount | $ |  | $ 496,239,818 |
MRB and Taxable MRB Commitments [Member] | Village Point [Member] | NJ [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Number of Units | [1] | 120 |
MRB and Taxable MRB Commitments [Member] | Series J-1 [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Number of Units |  |  | 200
MRB and Taxable MRB Commitments [Member] | Series J-3 [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Number of Units | [2] |  | 200
MRB and Taxable MRB Commitments [Member] | Series J-4 [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Number of Units | [2] |  | 200
MRB and Taxable MRB Commitments [Member] | Series J-5 [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Number of Units | [3] | 200 |
Mortgage Revenue Bonds [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Floor rate |  | 3.87% | 3.87%
Mortgage Revenue Bonds [Member] | Village Point [Member] | NJ [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Number of beds | Bed |  | 120 |
Mortgage Revenue Bonds [Member] | Seniors Housing Property [Member] | NJ [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Number of Units |  | 92 |
Mortgage Revenue Bonds [Member] | Series J-3 [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Commitment to provide maximum funding of taxable MRB | $ |  |  | $ 26.1
Mortgage Revenue Bonds [Member] | Series J-4 [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Commitment to provide maximum funding of taxable MRB | $ |  |  | 16.4
Maximum balance of the MRB after stabilization | $ |  |  | $ 1.5
Fixed interest rate |  |  | 8.00%
Mortgage Revenue Bonds [Member] | Series J-5 [Member] | Residency at the Entrepreneur [Member] | CA [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Commitment to provide maximum funding of taxable MRB | $ |  | $ 5,000,000 |
[1] | Village Point is a seniors housing property with 120 beds in 92 units.
[2] | 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.
[3] | The Partnership has committed to provide funding for the Series J-5 MRB totaling $5.0 million. See Note 19.

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