Segment Reporting - Reconciliation of NOI to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Reconciliation of NOI to net income
Net income	$ 494,632	$ 78,847	$ 895,274	$ 669,058
Property management and other indirect operating expenses, net of corporate income	29,374	25,322	88,119	74,110
Expensed transaction, development and other pursuit costs, net of recoveries	6,514	417	9,865	1,900
Interest expense, net	57,290	55,987	172,613	164,704
Loss on extinguishment of debt, net	1,646	17,890	1,646	17,768
General and administrative expense	14,611	17,313	53,323	53,130
Income from investments in unconsolidated entities	(43,777)	(6,867)	(46,574)	(32,959)
Depreciation expense	206,658	193,791	607,746	561,560
Income tax expense	5,651	2,179	7,963	1,434
Casualty and impairment loss	0	1,940	0	3,117
Gain on sale of communities	(318,289)	(58)	(467,493)	(388,354)
Gain on other real estate transactions, net	(15)	(1,543)	(95)	(2,002)
Net for-sale condominium activity	(304)	(158)	(469)	1,402
Net operating income from real estate assets sold or held for sale	(4,839)	(13,147)	(21,847)	(48,913)
Net operating income	$ 449,152	$ 371,913	$ 1,300,071	$ 1,075,955
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)	2.50%	1.80%	2.10%	1.60%