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Mortgage Revenue Bonds - Summary of Changes in Partnership's Allowance for Credit Losses (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Allowance for Credit Loss [Abstract] |  |  |  |
Recovery of prior credit loss |  | $ (57,124) |  |
Mortgage Revenue Bonds [Member] |  |  |  |
Allowance for Credit Loss [Abstract] |  |  |  |
Balance, beginning of period |  | 9,175,482 | [1] | $ 7,318,589
Provision for credit loss |  |  |  | 1,856,893
Other additions | [2] | 860,533 |  |
Recovery of prior credit loss | [3] | (57,124) |  |
Balance, end of period | [1] | $ 9,978,891 |  | $ 9,175,482
[1] | The allowance for credit losses as of December 31, 2021 and 2022 is related to the Provision Center 2014-1 MRB and the Live 929 Apartments - Series 2022A MRB.
[2] | The other addition is related to a re-allocation of the loan loss allowance upon restructuring of the Live 929 Apartments MRBs and property loan.
[3] | The Partnership compared the present value of cash flows expected to be collected to the amortized cost basis of the Live 929 Apartments Series 2022A MRB, which indicated a recovery of value. The Partnership will accrete the recovery of prior credit loss into investment income over the term of the MRB.

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