CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Rental and other income	$ 580,079	$ 566,387	$ 1,691,273	$ 1,742,509
Management, development and other fees	695	1,017	2,380	2,950
Total revenue	580,774	567,404	1,693,653	1,745,459
Expenses:
Operating expenses, excluding property taxes	148,704	143,909	430,377	406,991
Property taxes	72,332	68,934	212,518	202,973
Other Nonoperating Income (Expense)	417	567	1,900	4,289
Interest Expense	55,987	53,249	164,704	162,562
Loss (gain) on extinguishment of debt, net	17,890	(105)	17,768	9,333
Depreciation expense	193,791	175,348	561,560	529,508
General and administrative expense	17,313	13,985	53,130	46,878
Casualty and impairment loss	1,940	0	3,117	0
Total expenses	508,374	455,887	1,445,074	1,362,534
Income from investments in unconsolidated entities	6,867	5,083	32,959	6,770
Gains (Losses) on Sales of Investment Real Estate	58	31,607	388,354	91,338
Gain on other real estate transactions, net	1,543	129	2,002	328
Net for-sale condominium activity	158	(646)	(1,402)	4,162
Income before income taxes	81,026	147,690	670,492	485,523
Income tax (expense) benefit	(2,179)	27	(1,434)	1,069
Net income	78,847	147,717	669,058	486,592
Net loss (income) attributable to noncontrolling interests	67	(14)	32	(90)
Net income attributable to common stockholders	78,914	147,703	669,090	486,502
Other comprehensive income (loss):
Gain (loss) on cash flow hedges	2,010	1,333	1,188	(17,731)
Cash flow hedge losses reclassified to earnings	7,405	2,367	12,138	6,617
Comprehensive income	$ 88,329	$ 151,403	$ 682,416	$ 475,388
Earnings per common share - basic:
Net income attributable to common stockholders (in dollars per share)	$ 0.57	$ 1.05	$ 4.79	$ 3.46
Earnings per common share - diluted:
Net income attributable to common stockholders (in dollars per share)	$ 0.56	$ 1.05	$ 4.79	$ 3.46