Segments - Additional Information (Details)	3 Months Ended
Mar. 31, 2026 Property Security Unit Bed Segment
Segment Reporting Information [Line Items]
Number of Reportable Segments \| Segment	4
Segment reporting, expense information used by CODM, description	The Partnership’s chief operating decision maker (the “CODM”) is the Chief Executive Officer, who uses net income (loss) to monitor segment performance against budgeted results and to allocate resources. In this regard, the CODM uses net income (loss) to evaluate income generated from each segment’s assets and investments in deciding whether to reinvest income and available capital into such segment or into other investment classes of the Partnership. The CODM has considered recent underperformance in the Market-Rate Joint Venture Investments in conjunction with future market expectations in his decision to reduce the capital allocation to the Market-Rate Joint Venture Investments in the future.
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]	srt:ChiefExecutiveOfficerMember
Affordable Multifamily Mortgage Revenue Bond Investments Segment [Member]
Segment Reporting Information [Line Items]
Number of Available for Sale Securities \| Security	78
Affordable Multifamily Governmental Issuer Loan Investments Segment [Member]
Segment Reporting Information [Line Items]
Number of Available for Sale Securities \| Security	4
Seniors and Skilled Nursing Investments [Member]
Segment Reporting Information [Line Items]
Number of rental units financed by mortgage revenue bonds \| Bed	284
Number of Real Estate Properties \| Property	2
MF Properties Segment [Member]
Segment Reporting Information [Line Items]
Number of Real Estate Properties \| Property	863
Residential Properties [Member] \| Affordable Multifamily Investments [Member]
Segment Reporting Information [Line Items]
Number of rental units financed by mortgage revenue bonds \| Unit	9,718
Number of rental units financed by tax-exempt loan \| Unit	910

Number of Available for Sale Securities

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Period Type:	duration

- Definition

Number of rental units financed by mortgage revenue bonds.

+ References

No definition available.

+ Details

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- Definition

Number of rental units financed by tax-exempt loan.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

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- Definition

Indicates title and position of individual or name of group identified as chief operating decision maker (CODM) for segment reporting.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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- Definition

Description of nature of expense information used by chief operating decision maker (CODM) to manage operation when segment expense information by category is not disclosed.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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