Investments in Partially Owned Entities - Summary of Company's Consolidated Joint Ventures (Details)	Jun. 30, 2022 Property ApartmentUnit Project
Variable Interest Entity [Line Items]
Properties | Property	310
Apartment units	80,227
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