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Investments in Partially Owned Entities - Summary of Information on Total Unconsolidated Development Joint Ventures (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) JointVenture	Dec. 31, 2023 USD ($) JointVenture ApartmentUnit	Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items]
Investments in unconsolidated entities - acquisitions	$ 31,286	$ 2,800	$ 49,855
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of unconsolidated joint ventures | JointVenture	0	2
Apartment units | ApartmentUnit		639
Variable Interest Entity, Not Primary Beneficiary [Member] | Equity Residential [Member]
Variable Interest Entity [Line Items]
Investments in unconsolidated entities - acquisitions		$ 2,800

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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