Investments in Partially Owned Entities - Summary of Company's Unconsolidated Real Estate Joint Ventures Deemed to be VIEs (Details)	Jun. 30, 2026 PropertiesProjectsEntities Property ApartmentUnit Project Entity
Variable Interest Entity [Line Items]
Properties \| Property	312
Apartment units	85,520
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Properties/Projects/Entities \| PropertiesProjectsEntities	8
Apartment units	1,655
Variable Interest Entity, Not Primary Beneficiary \| Operating Properties [Member]
Variable Interest Entity [Line Items]
Properties \| Property	3
Apartment units	1,016
Variable Interest Entity, Not Primary Beneficiary \| Development Lease-Up Projects
Variable Interest Entity [Line Items]
Properties \| Property	1
Apartment units	369
Variable Interest Entity, Not Primary Beneficiary \| Real Estate Holdings [Member]
Variable Interest Entity [Line Items]
Entities \| Entity	3
Variable Interest Entity, Not Primary Beneficiary \| Projects Under Development [Member]
Variable Interest Entity [Line Items]
Project \| Project	1
Apartment units	270

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Number of projects.

+ References

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Number of real estate properties, projects and entities.

+ References

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The number of real estate properties owned as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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The number of units in a real estate property owned as of the balance sheet date.

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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