Property Loans, Net of Loan Loss Allowances - Summary of Partnership's Property Loans, Net of Loan Loss Allowances (Details) - USD ($)		9 Months Ended		12 Months Ended
		Sep. 30, 2022		Dec. 31, 2021		Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 124,362,490		$ 76,850,616
Loan Loss Allowance		(495,000)		(8,749,348)		$ (7,888,815)	$ (8,635,162)	$ (8,635,162)	$ (8,305,046)
Property Loan Principal, net of allowance		123,867,490		68,101,268
Senior Construction Financing [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		122,563,896	[1]	47,274,576	[2]
Property Loan Principal, net of allowance		122,563,896	[1]	47,274,576	[2]
Senior Construction Financing [Member] | Centennial Crossings [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		24,250,000	[1]	11,354,386	[2]
Property Loan Principal, net of allowance		$ 24,250,000	[1]	$ 11,354,386	[2]
Maturity Date		Sep. 01, 2023	[1]	Sep. 01, 2023	[2]
Senior Construction Financing [Member] | Centennial Crossings [Member] | LIBOR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate		2.50%	[1]	2.50%	[2]
Senior Construction Financing [Member] | Hilltop at Signal Hills [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 18,968,334	[1]	$ 1,000,000	[2]
Property Loan Principal, net of allowance		$ 18,968,334	[1]	$ 1,000,000	[2]
Maturity Date		Aug. 01, 2023	[1]	Aug. 01, 2023	[2]
Senior Construction Financing [Member] | Hilltop at Signal Hills [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate		3.07%	[1]	3.07%	[2]
Senior Construction Financing [Member] | Legacy Commons at Signal Hills [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 28,166,905	[1]	$ 2,604,230	[2]
Property Loan Principal, net of allowance		$ 28,166,905	[1]	$ 2,604,230	[2]
Maturity Date		Feb. 01, 2024	[1]	Feb. 01, 2024	[2]
Senior Construction Financing [Member] | Legacy Commons at Signal Hills [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate		3.07%	[1]	3.00%	[2]
Senior Construction Financing [Member] | Magnolia Heights [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance	[1]	$ 1,000,000
Property Loan Principal, net of allowance	[1]	$ 1,000,000
Maturity Date	[1]	Jul. 01, 2024
Senior Construction Financing [Member] | Magnolia Heights [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate	[1]	3.85%
Senior Construction Financing [Member] | Oasis at Twin Lakes [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 24,018,657	[1]	$ 20,607,362	[2]
Property Loan Principal, net of allowance		$ 24,018,657	[1]	$ 20,607,362	[2]
Maturity Date		Aug. 01, 2023	[1]	Aug. 01, 2023	[2]
Senior Construction Financing [Member] | Oasis at Twin Lakes [Member] | LIBOR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate		2.50%	[1]	2.50%	[2]
Senior Construction Financing [Member] | Osprey Village [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 1,000,000	[1]	$ 1,000,000	[2]
Property Loan Principal, net of allowance		$ 1,000,000	[1]	$ 1,000,000	[2]
Maturity Date		Aug. 01, 2024	[1]	Aug. 01, 2024	[2]
Senior Construction Financing [Member] | Osprey Village [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate		3.07%	[1]	3.07%	[2]
Senior Construction Financing [Member] | Scharbauer Flats Apartments [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 24,160,000	[1]	$ 9,708,598	[2]
Property Loan Principal, net of allowance		$ 24,160,000	[1]	$ 9,708,598	[2]
Maturity Date		Jan. 01, 2023	[1]	Jan. 01, 2023	[2]
Senior Construction Financing [Member] | Scharbauer Flats Apartments [Member] | LIBOR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate		2.85%	[1]	2.85%	[2]
Senior Construction Financing [Member] | Willow Place Apartments [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 1,000,000	[1]	$ 1,000,000	[2]
Property Loan Principal, net of allowance		$ 1,000,000	[1]	$ 1,000,000	[2]
Maturity Date		Oct. 01, 2024	[1]	Oct. 01, 2024	[2]
Senior Construction Financing [Member] | Willow Place Apartments [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate		3.30%	[1]	3.30%	[2]
Senior Acquisition Financing [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance				$ 13,424,579
Property Loan Principal, net of allowance				13,424,579
Senior Acquisition Financing [Member] | Magnolia Crossing [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance	[3]			13,424,579
Property Loan Principal, net of allowance	[3]			$ 13,424,579
Maturity Date	[3]			Dec. 01, 2022
Senior Acquisition Financing [Member] | Magnolia Crossing [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest Rate	[3]			6.50%
Other [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 1,798,594		$ 16,151,461
Loan Loss Allowance		(495,000)		(8,749,348)
Property Loan Principal, net of allowance		1,303,594		7,402,113
Other [Member] | Avistar (February 2013 Portfolio) [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		201,972		201,972
Property Loan Principal, net of allowance		$ 201,972		$ 201,972
Maturity Date		Jun. 26, 2024		Jun. 26, 2024
Interest Rate		12.00%		12.00%
Other [Member] | Avistar (June 2013 Portfolio) [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 251,622		$ 251,622
Property Loan Principal, net of allowance		$ 251,622		$ 251,622
Maturity Date		Jun. 26, 2024		Jun. 26, 2024
Interest Rate		12.00%		12.00%
Other [Member] | Cross Creek [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance				$ 11,101,887
Loan Loss Allowance				(7,393,814)
Property Loan Principal, net of allowance				$ 3,708,073
Maturity Date				Dec. 01, 2025
Interest Rate				6.15%
Other [Member] | Greens Property [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 850,000		$ 850,000
Property Loan Principal, net of allowance		$ 850,000		$ 850,000
Maturity Date		Sep. 01, 2046		Sep. 01, 2046
Interest Rate		10.00%		10.00%
Other [Member] | Live 929 Apartments [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance		$ 495,000		$ 1,355,534
Loan Loss Allowance		$ (495,000)		$ (1,355,534)
Maturity Date		Jul. 31, 2049		Jul. 31, 2049
Interest Rate		8.00%		8.00%
Other [Member] | Ohio Properties [Member]
Accounts Notes And Loans Receivable [Line Items]
Property loan receivable, outstanding balance				$ 2,390,446
Property Loan Principal, net of allowance				$ 2,390,446
Interest Rate				10.00%
Other [Member] | Ohio Properties [Member] | Maximum [Member]
Accounts Notes And Loans Receivable [Line Items]
Maturity Date				Jun. 01, 2050
Other [Member] | Ohio Properties [Member] | Minimum [Member]
Accounts Notes And Loans Receivable [Line Items]
Maturity Date				Dec. 01, 2026

[1] The property loans are held in trust in connection with TOB trust financings (Note 15). The property loans and associated GILs are on parity and share a first mortgage lien position on all real and personal property associated with the underlying property. Affiliates of the borrowers have guaranteed limited-to-full payment of principal and accrued interest on the property loans. The borrowers may elect to extend the maturity dates for periods ranging between six and twelve months upon meeting certain conditions, which may include payment of a non-refundable extension fee. The variable index interest rate components are typically subject to floors that range from 0% to 0.50%.

[2] The property loans are held in trust in connection with TOB trust financings (Note 15). The property loans and associated GILs are on parity and share a first mortgage lien position on all real and personal property associated with the underlying property. Affiliates of the borrowers have guaranteed limited-to-full payment of principal and accrued interest on the property loans. The borrowers may elect to extend the maturity dates for periods ranging between six and twelve months upon meeting certain conditions, which may include payment of a non-refundable extension fee. The variable index interest rate components are typically subject to floors that range from 0% to 0.50%.

[3] The index is subject to a floor of 0.25%.