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Mortgage Revenue Bonds - Schedule of Terms of MRBSs upon Redemption (Details) | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jan. 31, 2022 USD ($) Unit | Mar. 31, 2023 USD ($) Unit | Mar. 31, 2022 USD ($)
Mortgage Revenue Bonds [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Principal Outstanding at Date of Redemption | $ | $ 61,055,000 | $ 8,493,040 | $ 17,003,840
Live 929 Apartments [Member] | 2014 Series A [Member] | Mortgage Revenue Bonds [Member] | Baltimore, MD [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Restructured | January |  |
Units | Unit | 575 |  |
Original Maturity Date | Jul. 01, 2049 |  |
Interest Rate | 5.78% |  |
Principal Outstanding at Date of Redemption | $ | $ 39,445,000 |  |
Live 929 Apartments [Member] | 2014 Series B [Member] | Mortgage Revenue Bonds [Member] | Baltimore, MD [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Restructured | January |  |
Units | Unit | 575 |  |
Original Maturity Date | Jul. 01, 2039 |  |
Interest Rate | 1.60% |  |
Principal Outstanding at Date of Redemption | $ | $ 21,610,000 |  |
Live 929 Apartments [Member] | Series 2022A [Member] | Baltimore, MD [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Units | Unit | 575 |  |
Original Maturity Date | Jan. 01, 2060 |  |
Interest Rate | 4.30% |  |
Greens Property [Member] | Series A [Member] | Mortgage Revenue Bonds [Member] | Durham NC [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Redeemed |  | February 2023 |
Units | Unit |  | 168 |
Original Maturity Date |  | Oct. 01, 2047 |
Interest Rate |  | 6.50% |
Principal Outstanding at Date of Redemption | $ |  | $ 7,579,000 |
Greens Property [Member] | Series B [Member] | Mortgage Revenue Bonds [Member] | Durham NC [Member] |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Month Redeemed |  | February 2023 |
Units | Unit |  | 168 |
Original Maturity Date |  | Oct. 01, 2047 |
Interest Rate |  | 12.00% |
Principal Outstanding at Date of Redemption | $ |  | $ 914,040 |

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