Organization (Details Textual)	9 Months Ended
Sep. 30, 2025 ft² Unit OfficeBuilding Key ApartmentHome Property Dwelling Community
Community [Member]
Organization [Line Items]
Number of units in real estate property \| Community	220
Continuing Operations [Member]
Organization [Line Items]
Number of real estate properties \| ApartmentHome	2,524
Retail space \| ft²	105,000
Continuing Operations [Member] \| Commercial Office Building [Member]
Organization [Line Items]
Number of real estate properties \| OfficeBuilding	1
Continuing Operations [Member] \| Family Rental Community in Waterfront Ground-up Development [Member]
Organization [Line Items]
Number of units in real estate property \| Unit	114
Continuing Operations [Member] \| Community [Member]
Organization [Line Items]
Number of units in real estate property \| Unit	689
Continuing Operations [Member] \| Planned Homes [Member]
Organization [Line Items]
Number of real estate properties \| Property	16
Continuing Operations [Member] \| Accessory Dwelling Units [Member]
Organization [Line Items]
Number of units in real estate property \| Dwelling	8
Continuing Operations [Member] \| Luxury Hotel With Event Space [Member]
Organization [Line Items]
Number of real estate properties \| Key	106
Continuing Operations [Member] \| Unconsolidated Properties [Member]
Organization [Line Items]
Number of real estate properties \| Property	4
Aimco Operating Partnership [Member]
Organization [Line Items]
Percentage of the Aimco Operating Partnership common partnership units and equivalents owned by Aimco	94.10%
Percentage of economic interest in Aimco Operating Partnership owned by Aimco	96.60%
Percentage of Aimco Operating Partnership common partnership units and equivalents owned by other limited partners	5.90%

Limited liability company (LLC) or limited partnership (LP), managing member or general partner, economic interest.

No definition available.

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- Definition

Organization

+ References

No definition available.

+ Details

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482987/272-10-50-3

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

+ Details

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Namespace Prefix:	us-gaap_
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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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

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- Details

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- Details

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Namespace Prefix:
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- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=aiv_CommercialOfficeBuildingMember
Namespace Prefix:
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Balance Type:
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- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=aiv_FamilyRentalCommunityInWaterfrontGroundUpDevelopmentMember
Namespace Prefix:
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- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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