Basis of Presentation and Organization (Details)	3 Months Ended
Mar. 31, 2024 property apartment stateAndDistrict shares
Real Estate Properties [Line Items]
Number of states and district \| stateAndDistrict	10
AIR Operating Partnership
Real Estate Properties [Line Items]
Common operating partnership units and equivalents outstanding (in shares)	158,247,357
Common operating partnership units and equivalents outstanding (in shares)	145,104,220
Percentage of the Aimco Operating Partnership's common partnership units and equivalents owned by Aimco	91.70%
Percentage of economic interest	93.70%
Partially Owned Properties
Real Estate Properties [Line Items]
Apartment communities owned by VIEs \| property	76
Apartment homes in communities owned by VIEs \| apartment	27,015
Percentage of average ownership of portfolio	82.00%

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

No definition available.

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Namespace Prefix:	airc_
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Balance Type:	na
Period Type:	duration

- Definition

Number Of States And District

+ References

No definition available.

+ Details

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Namespace Prefix:	airc_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Operating partnership common units outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	airc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of average ownership of portfolio.

+ References

No definition available.

+ Details

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Namespace Prefix:	airc_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of general partner units outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-5

+ Details

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Namespace Prefix:	us-gaap_
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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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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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- 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
Period Type:	instant

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

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- Details

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