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Governmental Issuer Loans - Summary of Partnership's GIL Investments (Parenthetical) (Details) - Governmental Issuer Loans [Member] - USD ($) $ in Millions	Sep. 30, 2025	Feb. 01, 2025	Dec. 31, 2024
Floor Rate [Member] | Minimum [Member]
Governmental Issuer Loans [Line Items]
Variable rate			0.25%
Floor Rate [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Variable rate			0.50%
Poppy Grove I [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Partnership subordinate loan amount	$ 3.8		$ 3.8
Poppy Grove II [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Partnership subordinate loan amount	2.2		2.2
Poppy Grove III [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Partnership subordinate loan amount	$ 4.2		$ 4.2
Sandy Creek Apartments [Member]
Governmental Issuer Loans [Line Items]
Variable rate		2.80%
Investment, Variable Interest Rate, Type [Extensible Enumeration]		Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]

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- Definition

Governmental issuer loans.

+ References

No definition available.

+ Details

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- Definition

Loan financing basis spread on variable rate.

+ References

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- Definition

Partnership subordinate loan amount.

+ References

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- Definition

Indicates type of variable interest rate of investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-12A(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12(Column A)(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6

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