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v3.25.3

Commitments and Contingencies (Details Textual) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2025 USD ($)
Long-term Purchase Commitment [Line Items] |
Construction related contracts, amount | $ 107.6
Undrawn non-resource construction loan | 120.7
Commitments related to development, redevelopment and capital improvement activities [Member] | RET Ventures [Member] |
Long-term Purchase Commitment [Line Items] |
Remaining commitments | $ 1.1
Commitments related to operations [Member] | Maximum [Member] |
Long-term Purchase Commitment [Line Items] |
Time Period of Long-term Purchase Commitment | 1 year

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- Definition Construction loan contracts amount. + References No definition available. + Details
Name: | aiv_ConstructionLoanContractsAmount
Namespace Prefix: | aiv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Remaining commitments. + References No definition available. + Details
Name: | aiv_RemainingCommitments
Namespace Prefix: | aiv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Undrawn non-resource construction loan. + References No definition available. + Details
Name: | aiv_UndrawnNonResourceConstructionLoan
Namespace Prefix: | aiv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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
Name: | us-gaap_LongTermPurchaseCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LongtermPurchaseCommitmentPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_OtherCommitmentsAxis=aiv_CommitmentsrelatedtodevelopmentredevelopmentandcapitalimprovementactivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_FinancialSupportToNonconsolidatedLegalEntityAxis=aiv_RETVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=aiv_CommitmentsrelatedtooperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |