XML 53 R43.htm IDEA: XBRL DOCUMENT v3.25.3

Variable Interest Entities (Details Textual)	Sep. 30, 2025 Entity ApartmentHome	Dec. 31, 2024 Entity
Consolidated Entities [Member]
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Number Of Variable Interest Entities	5	6
Unconsolidated Entities [Member]
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Number Of Variable Interest Entities	7	7
San Diego Communities [Member]
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Number of apartment communities | ApartmentHome	4

X

- Definition

Number of apartment communities.

+ References

No definition available.

+ Details

Name:	aiv_NumberOfApartmentCommunities
Namespace Prefix:	aiv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of variable interest entities in which the company holds variable interests.

+ References

No definition available.

+ Details

Name:	aiv_NumberOfVariableInterestEntities
Namespace Prefix:	aiv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(2)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

+ Details

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

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=aiv_SanDiegoCommunitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: