CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue:
Rental and other income	$ 566,387	$ 586,382	$ 1,742,509	$ 1,727,576
Management, development and other fees	1,017	1,231	2,950	3,484
Total revenue	567,404	587,613	1,745,459	1,731,060
Expenses:
Operating expenses, excluding property taxes	143,909	133,445	406,991	389,825
Property taxes	68,934	64,374	202,973	187,890
Interest expense, net	53,249	51,493	162,562	149,395
(Gain) loss on extinguishment of debt, net	(105)	93	9,333	602
Depreciation expense	175,348	165,463	529,508	490,213
General and administrative expense	13,985	12,769	46,878	45,440
Expensed transaction, development and other pursuit costs, net of recoveries	567	175	4,289	2,562
Total expenses	455,887	427,812	1,362,534	1,265,927
Equity in income of unconsolidated real estate entities	5,083	1,643	6,770	780
Gain on sale of communities	31,607	130,484	91,338	165,849
Gain on other real estate transactions, net	129	73	328	374
Gain on for-sale condominiums, net of marketing and administrative costs	(646)	(1,108)	4,162	(2,526)
Income before income taxes	147,690	290,893	485,523	629,610
Income tax benefit (expense)	27	(11,184)	1,069	(11,178)
Net income	147,717	279,709	486,592	618,432
Net income attributable to noncontrolling interests	(14)	(32)	(90)	(108)
Net income attributable to common stockholders	147,703	279,677	486,502	618,324
Other comprehensive income (loss):
Gain (loss) on cash flow hedges	1,333	(13,644)	(17,731)	(23,763)
Cash flow hedge losses reclassified to earnings	2,367	1,746	6,617	4,825
Comprehensive income	$ 151,403	$ 267,779	$ 475,388	$ 599,386
Earnings per common share - basic:
Net income attributable to common stockholders (in dollars per share)	$ 1.05	$ 2.00	$ 3.46	$ 4.44
Earnings per common share - diluted:
Net income attributable to common stockholders (in dollars per share)	$ 1.05	$ 2.00	$ 3.46	$ 4.43