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Investments in Partially Owned Entities - Summary of Company's Unconsolidated Joint Ventures Deemed to be VIEs (Details)	Jun. 30, 2022 ApartmentUnit Project Entity
Variable Interest Entity [Line Items]
Apartment units	80,227
Variable Interest Entity, Not Primary Beneficiary | Real Estate Holdings [Member]
Variable Interest Entity [Line Items]
Entities | Entity	2
Variable Interest Entity, Not Primary Beneficiary | Projects Under Development [Member]
Variable Interest Entity [Line Items]
Project | Project	4
Apartment units	1,291
Variable Interest Entity, Not Primary Beneficiary | Land Held For Development [Member]
Variable Interest Entity [Line Items]
Project | Project	2
Apartment units	640

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- Definition

Number of entity.

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- Definition

Number of projects.

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- Definition

The number of units in a real estate property owned as of the balance sheet date.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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