Commitments and Contingencies - Summary of Partnership's Total and Remaining Commitments (Details)	3 Months Ended
	Mar. 31, 2025 USD ($)
Commitments And Other Guarantees [Line Items]
Total Initial Commitment	$ 290,960,663
Remaining Commitment as of March 31, 2025	138,915,543
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member]
Commitments And Other Guarantees [Line Items]
Total Initial Commitment	91,000,000
Remaining Commitment as of March 31, 2025	$ 20,285,000
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at Empire [Member] | Series BB-4 [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2022-12
Maturity Date	2040-12
Interest Rate	6.45%
Total Initial Commitment	$ 47,000,000
Remaining Commitment as of March 31, 2025	$ 18,350,000
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | The Residency at Empire [Member] | Series BB-T [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2022-12
Maturity Date	2025-12
Interest Rate	7.45%
Total Initial Commitment	$ 9,404,500
Remaining Commitment as of March 31, 2025	$ 8,404,500
Mortgage Revenue Bonds and Taxable Mortgage Revenue Bonds [Member] | Meadow Valley [Member] | Series A [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2021-12
Maturity Date	2029-12
Interest Rate	6.25%
Total Initial Commitment	$ 44,000,000
Remaining Commitment as of March 31, 2025	1,935,000
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member]
Commitments And Other Guarantees [Line Items]
Total Initial Commitment	63,819,507
Remaining Commitment as of March 31, 2025	$ 14,069,507
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member] | Poppy Grove III [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2022-09
Maturity Date	2025-10
Interest Rate	6.78%
Total Initial Commitment	$ 44,819,507
Remaining Commitment as of March 31, 2025	$ 1,569,507
Governmental Issuer Loans and Taxable Governmental Issuer Loans [Member] | Natchitoches Thomas Apartments [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2024-12
Maturity Date	2027-07
Interest Rate	7.92%
Total Initial Commitment	$ 19,000,000
Remaining Commitment as of March 31, 2025	12,500,000
Taxable Governmental Issuer Loans [Member]
Commitments And Other Guarantees [Line Items]
Total Initial Commitment	31,921,793
Remaining Commitment as of March 31, 2025	$ 24,721,793
Taxable Governmental Issuer Loans [Member] | Poppy Grove II [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2022-09
Maturity Date	2025-10
Interest Rate	6.78%
Total Initial Commitment	$ 9,141,300
Remaining Commitment as of March 31, 2025	$ 3,941,300
Taxable Governmental Issuer Loans [Member] | Poppy Grove III [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2022-09
Maturity Date	2025-10
Interest Rate	6.78%
Total Initial Commitment	$ 18,780,493
Remaining Commitment as of March 31, 2025	$ 17,780,493
Taxable Governmental Issuer Loans [Member] | Natchitoches Thomas Apartments [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2024-12
Maturity Date	2027-07
Interest Rate	7.92%
Total Initial Commitment	$ 4,000,000
Remaining Commitment as of March 31, 2025	$ 3,000,000
Property Loans [Member] | Sandoval Flats [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2024-11
Maturity Date	2027-12
Interest Rate	7.48%
Total Initial Commitment	$ 29,846,000
Remaining Commitment as of March 31, 2025	28,846,000
Joint Venture Investments [Member]
Commitments And Other Guarantees [Line Items]
Total Initial Commitment	43,047,863
Remaining Commitment as of March 31, 2025	$ 20,667,743
Joint Venture Investments [Member] | Vantage at San Marcos [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2020-11
Total Initial Commitment	$ 9,914,529
Remaining Commitment as of March 31, 2025	$ 8,943,914
Joint Venture Investments [Member] | Freestone Greeley [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2022-10
Total Initial Commitment	$ 16,035,710
Remaining Commitment as of March 31, 2025	$ 10,562,345
Joint Venture Investments [Member] | Freestone Ladera [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2023-12
Total Initial Commitment	$ 17,097,624
Remaining Commitment as of March 31, 2025	$ 1,161,484
Bond Purchase Commitment [Member] | Kindred Apartments [Member]
Commitments And Other Guarantees [Line Items]
Commitment Date	2025-03
Maturity Date	2027-12
Interest Rate	6.875%
Total Initial Commitment	$ 21,921,000
Remaining Commitment as of March 31, 2025	$ 21,921,000