Investments in Partially Owned Entities - Summary of Information on Total Unconsolidated Development Joint Ventures (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) JointVenture Apartment	Dec. 31, 2021 USD ($)
Variable Interest Entity [Line Items]
Investments in unconsolidated entities - acquisitions	$ 49,855	$ 48,534
Unconsolidated VIE [Member]
Variable Interest Entity [Line Items]
Number of unconsolidated joint ventures | JointVenture	3
Apartment units | Apartment	1,019
Unconsolidated VIE [Member] | Equity Residential [Member]
Variable Interest Entity [Line Items]
Investments in unconsolidated entities - acquisitions	$ 49,855