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Governmental Issuer Loans - Additional Information (Details)	1 Months Ended
	Jul. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Feb. 29, 2024 USD ($)	Aug. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Property Entities	Dec. 31, 2023 USD ($) Property	Jan. 01, 2023 USD ($)
Governmental Issuer Loans [Line Items]
Number of Variable Interest Entities | Property							29	33
Allowance for credit losses									$ 5,900,000
Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Accrued interest receivable							$ 1,300,000	$ 1,500,000
Number of Variable Interest Entities | Entities							2
Outstanding principal							$ 128,900,000
Property Loans [Member]
Governmental Issuer Loans [Line Items]
Outstanding principal							$ 7,300,000
Magnolia Heights [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee		$ 20,000
Magnolia Heights [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee		$ 51,000
Osprey Village [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee	$ 150,000
Scharbauer Flats Apartments [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee						$ 33,000
Extension fees received						$ 100,000
Scharbauer Flats Apartments [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee	$ 87,000		$ 87,000
Maturity date						Jan. 01, 2024
Hope on Avalon GIL [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Extension fees received					$ 70,000
Maturity date					Feb. 01, 2024
Sandy Creek Apartments [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Total commitment fully funded				$ 12,100,000

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allowance for credit losses.

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Extension fees received.

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Governmental issuer loans commitment fully funded.

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Governmental issuer loans.

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No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
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-Section 50
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This is the principal amount outstanding for securitized loans only (across all types of loans).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (a)
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-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

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