Segment Reporting - Reconciliation of NOI to Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
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	$ 1,136,438	$ 1,004,356	$ 827,706
Property management and other indirect operating expenses, net of corporate income	114,200	98,665	97,443
Expensed transaction, development and other pursuit costs, net of recoveries	16,565	3,231	12,399
Interest expense, net	230,074	220,415	214,151
Loss on extinguishment of debt, net	1,646	17,787	9,333
General and administrative expense	74,064	69,611	60,343
Income from investments in unconsolidated entities	(53,394)	(38,585)	(6,422)
Depreciation expense	814,978	758,596	707,331
Income tax expense (benefit)	14,646	5,733	(3,247)
Casualty loss	0	3,119	0
Gain on sale of communities	(555,558)	(602,235)	(340,444)
Gain on other real estate transactions, net	(5,039)	(2,097)	(440)
Net for-sale condominium activity	(88)	977	(2,551)
Net operating income from real estate assets sold or held for sale	(22,746)	(61,105)	(103,181)
Net operating income	$ 1,765,786	$ 1,478,468	$ 1,472,421
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	2.00%	1.70%	0.90%