Organization	3 Months Ended
Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Note 1 — Organization Apartment Investment and Management Company (“Aimco” or "the Company"), a Maryland corporation, is a self-administered and self-managed real estate investment trust (“REIT”). On December 15, 2020, Aimco completed the separation of its businesses (the “Separation”), creating two, separate and distinct, publicly traded companies, Aimco and Apartment Income REIT Corp. (“AIR”) (Aimco and AIR together, as they existed prior to the Separation, “Aimco Predecessor”). Events noted in this filing as occurring before December 15, 2020, were those entered into by Aimco Predecessor. Aimco, through a wholly owned subsidiary, is the general partner and is, directly, the special limited partner of Aimco OP L.P. (“Aimco Operating Partnership”). As of March 31, 2024, Aimco owned 92.4% of the legal interest in the common partnership units of Aimco Operating Partnership and 94.8% of the economic interest in Aimco Operating Partnership. The remaining 7.6% legal interest is owned by limited partners. The common partnership units of Aimco Operating Partnership are referred to as "OP Units". As the sole general partner of Aimco Operating Partnership, Aimco has exclusive control of Aimco Operating Partnership’s day-to-day management. This filing combines the quarterly reports on Form 10-Q for the quarterly period ended March 31, 2024, of Aimco and Aimco Operating Partnership. Where it is important to distinguish between the two entities, we refer to them specifically. Otherwise, references to “we,” “us,” or “our” mean, collectively, Aimco, Aimco Operating Partnership, and their consolidated entities. We own or lease a portfolio of real estate investments focused primarily on the U.S. multifamily sector. At March 31, 2024, our entire portfolio of operating residential apartment communities includes 5,600 apartment homes within 21 consolidated stabilized operating properties, a fully renovated waterfront property with 276 units, and four unconsolidated properties. We also own two multifamily properties that are under construction with 624 of the 909 planned apartment homes delivered, a single family rental community that is under construction with 16 planned homes and eight accessory dwelling units, a 106-key luxury hotel with event space, one commercial office building that is part of an assemblage with an adjacent apartment building, and land parcels held for development. In addition, we hold other alternative investments, including our Mezzanine Investment (see Note 2 for further information); our investment in IQHQ, Inc. ("IQHQ"); and our investment in real estate technology funds.

Organization

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Note 1 — Organization

Apartment Investment and Management Company (“Aimco” or "the Company"), a Maryland corporation, is a self-administered and self-managed real estate investment trust (“REIT”). On December 15, 2020, Aimco completed the separation of its businesses (the “Separation”), creating two, separate and distinct, publicly traded companies, Aimco and Apartment Income REIT Corp. (“AIR”) (Aimco and AIR together, as they existed prior to the Separation, “Aimco Predecessor”). Events noted in this filing as occurring before December 15, 2020, were those entered into by Aimco Predecessor.

Aimco, through a wholly owned subsidiary, is the general partner and is, directly, the special limited partner of Aimco OP L.P. (“Aimco Operating Partnership”). As of March 31, 2024, Aimco owned 92.4% of the legal interest in the common partnership units of Aimco Operating Partnership and 94.8% of the economic interest in Aimco Operating Partnership. The remaining 7.6% legal interest is owned by limited partners. The common partnership units of Aimco Operating Partnership are referred to as "OP Units". As the sole general partner of Aimco Operating Partnership, Aimco has exclusive control of Aimco Operating Partnership’s day-to-day management.

This filing combines the quarterly reports on Form 10-Q for the quarterly period ended March 31, 2024, of Aimco and Aimco Operating Partnership. Where it is important to distinguish between the two entities, we refer to them specifically. Otherwise, references to “we,” “us,” or “our” mean, collectively, Aimco, Aimco Operating Partnership, and their consolidated entities.

We own or lease a portfolio of real estate investments focused primarily on the U.S. multifamily sector. At March 31, 2024, our entire portfolio of operating residential apartment communities includes 5,600 apartment homes within 21 consolidated stabilized operating properties, a fully renovated waterfront property with 276 units, and four unconsolidated properties. We also own two multifamily properties that are under construction with 624 of the 909 planned apartment homes delivered, a single family rental community that is under construction with 16 planned homes and eight accessory dwelling units, a 106-key luxury hotel with event space, one commercial office building that is part of an assemblage with an adjacent apartment building, and land parcels held for development. In addition, we hold other alternative investments, including our Mezzanine Investment (see Note 2 for further information); our investment in IQHQ, Inc. ("IQHQ"); and our investment in real estate technology funds.