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Investments in Partially Owned Entities - Summary of Company's Unconsolidated Joint Ventures Deemed to be VIEs (Details)	Dec. 31, 2024 ApartmentUnit Project Property Entity	Dec. 31, 2023 Project ApartmentUnit Entity
Variable Interest Entity [Line Items]
Properties | Property	311
Project | Project		1
Apartment units	84,249
Variable Interest Entity, Not Primary Beneficiary | Operating Properties [Member]
Variable Interest Entity [Line Items]
Properties | Property	4
Apartment units	1,262
Variable Interest Entity, Not Primary Beneficiary | Real Estate Holdings [Member]
Variable Interest Entity [Line Items]
Entities | Entity	3	3
Variable Interest Entity, Not Primary Beneficiary | Projects Under Development [Member]
Variable Interest Entity [Line Items]
Project | Project	4	6
Apartment units	1,359	1,982
Variable Interest Entity, Not Primary Beneficiary | Projects Held for Development [Member]
Variable Interest Entity [Line Items]
Project | Project	2	4
Apartment units	526	1,164

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