Governmental Issuer Loans - Summary of Partnership's GIL Investments (Details)		12 Months Ended
		Dec. 31, 2023 USD ($) Unit		Dec. 31, 2022 USD ($) Unit
Governmental Issuer Loans [Line Items]
Amortized Cost		$ 221,653,300		$ 300,230,435
Poppy Grove I I [Member] | TOB Trust [Member]
Governmental Issuer Loans [Line Items]
Maturity Date	[1]			Apr. 01, 2025
Poppy Grove I I I [Member] | TOB Trust [Member]
Governmental Issuer Loans [Line Items]
Maturity Date	[1]			Apr. 01, 2025
Governmental Issuer Loans [Member] | TOB Trust [Member]
Governmental Issuer Loans [Line Items]
Units | Unit		1,627		2,419
Amortized Cost		$ 222,947,300		$ 300,230,435
Governmental Issuer Loans [Member] | Scharbauer Flats Apartments [Member] | TOB Trust [Member] | Midland, TX [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[2]			June 2020
Units | Unit	[2]			300
Maturity Date	[2],[3]			Jul. 01, 2023
Current Interest Rate	[2]			6.76%
Amortized Cost	[2]			$ 40,000,000
Governmental Issuer Loans [Member] | Scharbauer Flats Apartments [Member] | TOB Trust [Member] | SIFMA [Member] | Midland, TX [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate	[2],[4]			3.10%
Governmental Issuer Loans [Member] | Oasis at Twin Lakes [Member] | TOB Trust [Member] | Roseville, MN [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[2]			July 2020
Units | Unit	[2]			228
Maturity Date	[2],[3]			Aug. 01, 2023
Current Interest Rate	[2]			5.91%
Amortized Cost	[2]			$ 34,000,000
Governmental Issuer Loans [Member] | Oasis at Twin Lakes [Member] | TOB Trust [Member] | SIFMA [Member] | Roseville, MN [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate	[2],[4]			2.25%
Governmental Issuer Loans [Member] | Centennial Crossings [Member] | TOB Trust [Member] | Centennial, CO [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[2]			August 2020
Units | Unit	[2]			209
Maturity Date	[2],[3]			Sep. 01, 2023
Current Interest Rate	[2]			6.41%
Amortized Cost	[2]			$ 33,080,000
Governmental Issuer Loans [Member] | Centennial Crossings [Member] | TOB Trust [Member] | SIFMA [Member] | Centennial, CO [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate	[2],[4]			2.75%
Governmental Issuer Loans [Member] | Legacy Commons at Signal Hills [Member] | TOB Trust [Member] | St Paul, MN [Member]
Governmental Issuer Loans [Line Items]
Month Acquired		January 2021	[5]	January 2021	[2]
Units | Unit		247	[5]	247	[2]
Maturity Date		Feb. 01, 2024	[5],[6]	Feb. 01, 2024	[2],[3]
Current Interest Rate		8.46%	[5]	7.37%	[2]
Amortized Cost		$ 34,620,000	[5]	$ 34,620,000	[2]
Governmental Issuer Loans [Member] | Legacy Commons at Signal Hills [Member] | TOB Trust [Member] | SOFR [Member] | St Paul, MN [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate		3.07%	[5],[7]	3.07%	[2],[4]
Governmental Issuer Loans [Member] | Hilltop at Signal Hills [Member] | TOB Trust [Member] | St Paul, MN [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[2]			January 2021
Units | Unit	[2]			146
Maturity Date	[2],[3]			Aug. 01, 2023
Current Interest Rate	[2]			7.37%
Amortized Cost	[2]			$ 24,450,000
Governmental Issuer Loans [Member] | Hilltop at Signal Hills [Member] | TOB Trust [Member] | SOFR [Member] | St Paul, MN [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate	[2],[4]			3.07%
Governmental Issuer Loans [Member] | Hope on Avalon [Member] | TOB Trust [Member] | Los Angeles, CA [Member]
Governmental Issuer Loans [Line Items]
Month Acquired		January 2021		January 2021
Units | Unit		88		88
Maturity Date		Feb. 01, 2024	[6]	Aug. 01, 2023	[3]
Current Interest Rate		7.62%		7.41%
Amortized Cost		$ 23,390,000		$ 23,390,000
Governmental Issuer Loans [Member] | Hope on Avalon [Member] | TOB Trust [Member] | SIFMA [Member] | Los Angeles, CA [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate		3.75%	[7]	3.75%	[4]
Governmental Issuer Loans [Member] | Hope on Broadway [Member] | TOB Trust [Member] | Los Angeles, CA [Member]
Governmental Issuer Loans [Line Items]
Month Acquired				January 2021
Units | Unit				49
Maturity Date	[3]			Aug. 01, 2023
Current Interest Rate				7.41%
Amortized Cost				$ 12,105,623
Governmental Issuer Loans [Member] | Hope on Broadway [Member] | TOB Trust [Member] | SIFMA [Member] | Los Angeles, CA [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate	[4]			3.75%
Governmental Issuer Loans [Member] | Osprey Village [Member] | TOB Trust [Member] | Kissimmee, FL [Member]
Governmental Issuer Loans [Line Items]
Month Acquired		July 2021	[5]	July 2021	[2]
Units | Unit		383	[5]	383	[2]
Maturity Date		Aug. 01, 2024	[5],[6]	Aug. 01, 2024	[2],[3]
Current Interest Rate		8.38%	[5]	6.88%	[2]
Amortized Cost		$ 60,000,000	[5]	$ 39,893,040	[2]
Governmental Issuer Loans [Member] | Osprey Village [Member] | TOB Trust [Member] | SOFR [Member] | Kissimmee, FL [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate		3.07%	[5],[7]	3.07%	[2],[4]
Governmental Issuer Loans [Member] | Willow Place Apartments [Member] | TOB Trust [Member] | McDonough, GA [Member]
Governmental Issuer Loans [Line Items]
Month Acquired		September 2021	[5]	September 2021	[2]
Units | Unit		182	[5]	182	[2]
Maturity Date		Oct. 01, 2024	[5],[6]	Oct. 01, 2024	[2],[3]
Current Interest Rate		8.61%	[5]	7.11%	[2]
Amortized Cost		$ 25,000,000	[5]	$ 17,354,472	[2]
Governmental Issuer Loans [Member] | Willow Place Apartments [Member] | TOB Trust [Member] | SOFR [Member] | McDonough, GA [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate		3.30%	[5],[7]	3.30%	[2],[4]
Governmental Issuer Loans [Member] | Willow Place Apartments Supplemental [Member] | TOB Trust [Member] | McDonough, GA [Member]
Governmental Issuer Loans [Line Items]
Month Acquired		November 2023
Maturity Date	[6]	Oct. 01, 2024
Current Interest Rate		8.76%
Amortized Cost		$ 1,500,000
Governmental Issuer Loans [Member] | Willow Place Apartments Supplemental [Member] | TOB Trust [Member] | SOFR [Member] | McDonough, GA [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate	[7]	3.45%
Governmental Issuer Loans [Member] | Magnolia Heights [Member] | TOB Trust [Member] | Covington Georgia [Member]
Governmental Issuer Loans [Line Items]
Month Acquired		June 2022	[5]	June 2022	[2]
Units | Unit		200	[5]	200	[2]
Maturity Date		Jul. 01, 2024	[5],[6]	Jul. 01, 2024	[2],[3]
Current Interest Rate		9.16%	[5]	7.66%	[2]
Amortized Cost		$ 20,400,000	[5]	$ 20,400,000	[2]
Governmental Issuer Loans [Member] | Magnolia Heights [Member] | TOB Trust [Member] | SOFR [Member] | Covington Georgia [Member]
Governmental Issuer Loans [Line Items]
Variable Interest Rate		3.85%	[5],[7]	3.85%	[2],[4]
Governmental Issuer Loans [Member] | Poppy Grove I [Member] | TOB Trust [Member] | Elk Grove, CA [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[8]	September 2022	[5]	September 2022	[2]
Units | Unit	[8]	147	[5]	147	[2]
Maturity Date	[8]	Apr. 01, 2025	[5],[6]	Apr. 01, 2025	[2],[3]
Variable Interest Rate	[8]	6.78%	[5],[7]	6.78%	[2],[4]
Current Interest Rate	[8]	6.78%	[5]	6.78%	[2]
Amortized Cost	[8]	$ 19,846,000	[5]	$ 7,846,000	[2]
Governmental Issuer Loans [Member] | Poppy Grove I I [Member] | TOB Trust [Member] | Elk Grove, CA [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[8]	September 2022	[5]	September 2022	[2]
Units | Unit	[8]	82	[5]	82	[2]
Maturity Date	[8]	Apr. 01, 2025	[5],[6]	Apr. 01, 2025	[2],[3]
Variable Interest Rate	[8]	6.78%	[5],[7]	6.78%	[2],[4]
Current Interest Rate	[8]	6.78%	[5]	6.78%	[2]
Amortized Cost	[8]	$ 9,541,300	[5]	$ 4,541,300	[2]
Governmental Issuer Loans [Member] | Poppy Grove I I I [Member] | TOB Trust [Member] | Elk Grove, CA [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[8]	September 2022	[5]	September 2022	[2]
Units | Unit	[8]	158	[5]	158	[2]
Maturity Date	[8]	Apr. 01, 2025	[5],[6]	Apr. 01, 2025	[2],[3]
Variable Interest Rate	[8]	6.78%	[5],[7]	6.78%	[2],[4]
Current Interest Rate	[8]	6.78%	[5]	6.78%	[2]
Amortized Cost	[8]	$ 16,550,000	[5]	$ 8,550,000	[2]
Governmental Issuer Loans [Member] | Sandy Creek Apartments [Member] | TOB Trust [Member] | Bryan, Texas [Member]
Governmental Issuer Loans [Line Items]
Month Acquired	[5]	August 2023
Units | Unit	[5]	140
Maturity Date	[5],[6]	Sep. 01, 2026
Variable Interest Rate	[5],[7],[9]	7.83%
Current Interest Rate	[5]	7.83%
Amortized Cost	[5]	$ 12,100,000

[1] The borrower has the option to extend the maturity up to six months upon payment of a non-refundable extension fee.

[2] The Freddie Mac servicer that has forward committed to purchase the GIL at maturity is an affiliate of the Partnership (Note 23).

[3] The borrowers may elect to extend the maturity dates by six months upon meeting certain conditions, which may include payment of a non-refundable extension fee

[4] The variable index interest rate components are typically subject to floors that range from 0% to 0.85%.

[5] The Freddie Mac servicer that has forward committed to purchase the GIL at maturity is an affiliate of the Partnership (Note 23).

[6] The borrowers may elect to extend the maturity dates by six months upon meeting certain conditions, which may include payment of a non-refundable extension fee.

[7] The variable index interest rate components are typically subject to floors that range from 0% to 0.85%.

[8] The Partnership has agreed to provide a subordinate GIL after the execution of Freddie Mac’s forward purchase commitment if needed by the property. The potential subordinate GIL amounts are up to $3.8 million, $2.2 million, and $4.2 million for Poppy Grove I, Poppy Grove II, and Poppy Grove III, respectively.

[9] The interest rate will convert to a variable rate of Term SOFR + 2.80% on February 1, 2025.