Basis of Presentation and Organization (Details)	12 Months Ended
Dec. 31, 2023 apartment property stateAndDistrict shares	Dec. 31, 2022 shares
Real Estate Properties [Line Items]
Number of states and district \| stateAndDistrict	10
Apartment units \| apartment	20,886
Common stock, shares outstanding (in shares)	144,925,604	149,086,548
Common stock, shares issued (in shares)	144,925,604	149,086,548
AIR Operating Partnership
Real Estate Properties [Line Items]
Common operating partnership units and equivalents outstanding, (in shares)	159,130,441
Percentage of the Aimco Operating Partnership's common partnership units and equivalents owned by Aimco	91.10%
Percentage of economic interest	93.60%
Partially Owned Properties
Real Estate Properties [Line Items]
Number of apartment communities \| property	75
Apartment units \| apartment	26,626
Percentage of average ownership of portfolio	81.00%

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

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Number of states and district

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Operating partnership common units outstanding.

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Percentage of average ownership of portfolio.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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

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

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

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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.

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