Segment Reporting - Reconciliation of NOI to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Other Operating Expense Adjustments	$ 3,152
Reconciliation of NOI to net income
Net income	173,557	$ 146,775
Property management and other indirect operating expenses, net of corporate income	35,204	33,936
Expensed transaction, development and other pursuit costs, net of recoveries	4,245	2,992
Interest expense, net	54,766	56,821
General and administrative expense	20,331	20,400
Income from unconsolidated investments	(10,847)	(4,845)
Depreciation expense	212,269	204,743
Income tax (benefit) expense	(22)	3,560
Casualty and impairment loss	2,935	5,051
Other real estate activity	(71)	(116)
Net operating income from real estate assets sold or held for sale	(426)	(6,950)
Net operating income	$ 491,941	$ 462,367
Non-Apartment Components Of Mixed-Use Communities And Other Nonresidential Operations | Operating Income (Loss) | Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)	1.70%	1.80%