Basis of Presentation and Organization (Details)	6 Months Ended
Jun. 30, 2023 property apartment stateAndDistrict shares
Real Estate Properties [Line Items]
Number of states and district \| stateAndDistrict	10
Apartment homes in communities owned by VIEs \| apartment	328
AIR Operating Partnership
Real Estate Properties [Line Items]
Common operating partnership units and equivalents outstanding (in shares) \| shares	163,508,889
Common operating partnership units and equivalents outstanding \| shares	149,223,526
Percentage of the Aimco Operating Partnership's common partnership units and equivalents owned by Aimco	91.30%
Percentage of economic interest	93.10%
Partially Owned Properties
Real Estate Properties [Line Items]
Apartment communities owned by VIEs \| property	73
Apartment homes in communities owned by VIEs \| apartment	25,739
Percentage of average ownership of portfolio	87.00%

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

No definition available.

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- Definition

Number Of States And District

+ References

No definition available.

+ Details

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Namespace Prefix:	airc_
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- Definition

Operating partnership common units outstanding.

+ References

No definition available.

+ Details

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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
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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

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- 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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- Definition

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

+ References

No definition available.

+ Details

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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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- 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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