Variable Interest Entities - Schedule of VIEs Consolidated by the AIR Operating Partnership (Details) - Variable Interest Entity, Primary Beneficiary	Mar. 31, 2024 apartment property entity	Dec. 31, 2023 property entity apartment
Variable Interest Entity [Line Items]
VIEs with interests in apartment communities | entity	3	3
Apartment communities owned by VIEs | property	14	14
Apartment homes in communities owned by VIEs | apartment	4,866	4,866