Segment Reporting - Reconciliation of NOI to Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting [Abstract]
Percentage of physical occupancy	90.00%
Anniversary of Completion of Development or Redevelopment (in years)	1 year
Reconciliation of NOI to net income
Net income	$ 928,438	$ 1,136,438	$ 1,004,356
Property management and other indirect operating expenses, net of corporate income	121,704	114,200	98,665
Expensed transaction, development and other pursuit costs, net of recoveries	33,479	16,565	3,231
Interest expense, net	205,992	230,074	220,415
Loss on extinguishment of debt, net	150	1,646	17,787
General and administrative expense	76,534	74,064	69,611
Income from unconsolidated investments	(13,454)	(53,394)	(38,585)
Depreciation expense	816,965	814,978	758,596
Income tax expense	10,153	14,646	5,733
Casualty loss	9,118	0	3,119
Gains (Losses) on Sales of Investment Real Estate	(287,424)	(555,558)	(602,235)
Other real estate activity	(174)	(5,127)	(1,120)
Net operating income from real estate assets sold or held for sale	(14,733)	(46,678)	(82,698)
Net operating income	$ 1,886,748	$ 1,741,854	$ 1,456,875
Non-Apartment Components Of Mixed-Use Communities And Other Nonresidential Operations | Operating Income (Loss) | Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	1.80%	2.00%	1.70%