Mortgage Revenue Bonds - Summary of Changes in Partnership's Allowance for Credit Losses (Details) - USD ($)		3 Months Ended			9 Months Ended
		Sep. 30, 2022		Sep. 30, 2021	Sep. 30, 2022		Sep. 30, 2021
Allowance for Credit Loss [Abstract]
Recovery of prior credit loss					$ (39,968)
Mortgage Revenue Bonds [Member]
Allowance for Credit Loss [Abstract]
Balance, beginning of period		$ 10,013,392		$ 8,218,669	9,175,482		$ 7,318,589
Provision for credit loss							900,080
Other additions	[1]				860,533
Recovery of prior credit loss		(17,345)	[2]	0	(39,968)	[2]	0
Balance, end of period	[3]	$ 9,996,047		$ 8,218,669	$ 9,996,047		$ 8,218,669

[1] 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.

[2] 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.

[3] The allowance for credit losses as of September 30, 2022 is related to the Provision Center 2014-1 MRB and the Live 929 Apartments - Series 2022A MRB. The allowance for credit losses as of September 30, 2021 is related to the Provision Center 2014-1 MRB and the Live 929 Apartments – 2014 Series A MRB.