CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
REVENUES
Rental income	$ 669,374	$ 639,620	$ 1,331,676	$ 1,272,451
Fee and asset management	$ 143	$ 188	$ 335	$ 373
Type of Revenue [Extensible List]	us-gaap:ManagementServiceMember	us-gaap:ManagementServiceMember	us-gaap:ManagementServiceMember	us-gaap:ManagementServiceMember
Total revenues	$ 669,517	$ 639,808	$ 1,332,011	$ 1,272,824
EXPENSES
Property and maintenance	108,461	103,744	223,531	211,946
Real estate taxes and insurance	91,446	89,482	182,888	181,396
Property management	24,369	23,484	50,765	46,928
General and administrative	14,329	12,502	29,710	28,780
Depreciation	200,508	192,942	404,723	389,251
Total expenses	439,113	422,154	891,617	858,301
Net gain (loss) on sales of real estate properties	138,856	(51)	138,835	142,162
Operating income	369,260	217,603	579,229	556,685
Interest and other income	1,009	1,116	1,590	6,996
Other expenses	(5,117)	(3,769)	(8,392)	(7,210)
Interest:
Expense incurred, net	(108,902)	(94,131)	(203,840)	(210,235)
Amortization of deferred financing costs	(3,647)	(2,099)	(5,783)	(5,778)
Income before income and other taxes, income (loss) from investments in unconsolidated entities and net gain (loss) on sales of land parcels	252,603	118,720	362,804	340,458
Income and other tax (expense) benefit	(246)	(274)	(484)	(487)
Income (loss) from investments in unconsolidated entities	68,765	(1,031)	68,058	(2,008)
Net gain (loss) on sales of land parcels	177	995	178	995
Net income	321,299	118,410	430,556	338,958
Net (income) loss attributable to Noncontrolling Interests:
Operating Partnership	(11,510)	(4,299)	(15,429)	(12,358)
Partially Owned Properties	(821)	(509)	(1,620)	(1,189)
Net income attributable to controlling interests	308,968	113,602	413,507	325,411
Preferred distributions	(772)	(772)	(1,545)	(1,545)
Net income available to Common Shares	$ 308,196	$ 112,830	$ 411,962	$ 323,866
Earnings per share – basic:
Net income available to Common Shares	$ 0.83	$ 0.31	$ 1.11	$ 0.88
Weighted average Common Shares outstanding	370,342	367,930	369,952	367,865
Earnings per share – diluted:
Net income available to Common Shares	$ 0.83	$ 0.31	$ 1.11	$ 0.88
Weighted average Common Shares outstanding	386,107	383,423	385,644	383,224