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Fair Value of Financial Instruments - Summary of Activity Related to Level 3 Assets and Liabilities (Details) - Fair Value, Inputs, Level 3 [Member] - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items] |  |  |
Assets at Fair Value, beginning balance |  | $ 816,370,069 | $ 798,246,109
Total gains (losses) (realized/unrealized) [Abstract] |  |  |
Total gain (losses) included in earnings (interest income and interest expense) |  | $ 4,691,229 | $ 7,694,218
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] |  | OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax | OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Total gain (losses) included in other comprehensive (loss) income |  | $ 15,856,660 | $ (70,292,021)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases and advances |  | 154,455,097 | 196,396,044
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements and redemptions |  | (39,039,419) | (114,813,748)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other | [1] |  | (860,533)
Assets at Fair Value, ending balance |  | 952,333,636 | 816,370,069
Total amount of gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets or liabilities held |  | (22,609) | 97,662
Interest Rate Derivative Instruments [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Derivative Assets (Liabilities) at Fair Value, beginning balance |  | 331,240 | 343,418
Total gains (losses) (realized/unrealized) [Abstract] |  |  |
Total gain (losses) included in earnings (interest income and interest expense) |  | 4,410,346 | 5,756,111
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements and redemptions |  | (4,741,321) | (5,768,289)
Derivative Assets (Liabilities) at Fair Value, ending balance |  | 265 | 331,240
Total amount of gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets or liabilities held |  | (91,421) | 40,538
Bond Purchase Commitment [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Assets at Fair Value, beginning balance |  | 98,929 | 964,404
Total gains (losses) (realized/unrealized) [Abstract] |  |  |
Total gain (losses) included in other comprehensive (loss) income |  | 98,859 | (865,475)
Assets at Fair Value, ending balance |  | 197,788 | 98,929
Taxable Mortgage Revenue Bonds [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Assets at Fair Value, beginning balance |  | 16,531,896 | 3,428,443
Total gains (losses) (realized/unrealized) [Abstract] |  |  |
Total gain (losses) included in earnings (interest income and interest expense) |  | (24,198) | (20,028)
Total gain (losses) included in other comprehensive (loss) income |  | (1,355,710) | (535,793)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases and advances |  | 13,319,875 | 13,669,857
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements and redemptions |  | (7,011,575) | (10,583)
Assets at Fair Value, ending balance |  | 21,460,288 | 16,531,896
Mortgage Revenue Bonds [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Assets at Fair Value, beginning balance | [2] | 799,408,004 | 793,509,844
Total gains (losses) (realized/unrealized) [Abstract] |  |  |
Total gain (losses) included in earnings (interest income and interest expense) | [2] | 305,081 | 1,958,135
Total gain (losses) included in other comprehensive (loss) income | [2] | 17,113,511 | (68,890,753)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases and advances | [2] | 141,135,222 | 182,726,187
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements and redemptions | [2] | (27,286,523) | (109,034,876)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other | [1],[2] |  | (860,533)
Assets at Fair Value, ending balance | [2] | 930,675,295 | 799,408,004
Total amount of gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets or liabilities held | [2] | $ 68,812 | $ 57,124
[1] | The other line is related to a re-allocation of the loan loss allowance upon restructuring of the Live 929 Apartments MRBs and property loan (Notes 6 and 8).
[2] | Mortgage revenue bonds include both bonds held in trust as well as those held by the Partnership.

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