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Investments in Partially Owned Entities - Summary of Company's Consolidated Joint Ventures (Details)	Mar. 31, 2023 ApartmentUnit Property Project
Variable Interest Entity [Line Items]
Properties \| Property	301
Apartment units	79,351
Consolidated VIE [Member] \| Operating Properties [Member]
Variable Interest Entity [Line Items]
Properties \| Property	15
Apartment units	3,114
Consolidated VIE [Member] \| Project Under Development [Member]
Variable Interest Entity [Line Items]
Apartment units	312
Project \| Project	1