Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net income	$ 399,325	$ 370,502
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	463,027	435,342
(Gain) loss on sale of depreciable real estate assets	(71,842)	25
Gain on consolidation of third-party development	0	(11,033)
(Gain) loss on embedded derivative in preferred shares	(3,292)	14,451
Stock compensation expense	12,143	12,396
Amortization of debt issuance costs, discounts and premiums	4,866	4,568
Gain on investments	(5,770)	(3,666)
Net change in operating accounts and other operating activities	18,046	36,580
Net cash provided by operating activities	816,503	859,165
Cash flows from investing activities:
Purchases of real estate and other assets	(104,880)	(189,104)
Capital improvements and other	(257,163)	(235,856)
Development costs	(207,295)	(255,216)
Distributions from real estate joint venture	0	284
Contributions to affiliates	(8,175)	(1,874)
Proceeds from sale of marketable equity securities	0	9,975
Proceeds from real estate asset dispositions	81,128	0
Net proceeds from insurance recoveries	3,692	20,203
Net cash used in investing activities	(492,693)	(651,588)
Cash flows from financing activities:
Net proceeds from (payments of) commercial paper	213,000	(5,000)
Proceeds from notes payable	0	744,551
Principal payments on notes payable	0	(400,000)
Payment of deferred financing costs	0	(7,150)
Distributions to noncontrolling interests	(13,766)	(13,739)
Dividends paid on common shares	(531,645)	(515,085)
Dividends paid on preferred shares	(2,766)	(2,766)
Proceeds from issuances of common shares	1,089	955
Net change in other financing activities	(551)	(373)
Net cash used in financing activities	(334,639)	(198,607)
Net (decrease) increase in cash, cash equivalents and restricted cash	(10,829)	8,970
Cash, cash equivalents and restricted cash, beginning of period	56,761	55,091
Cash, cash equivalents and restricted cash, end of period	45,932	64,061
Reconciliation of cash, cash equivalents and restricted cash at period end:
Cash and cash equivalents	32,249	50,232
Restricted cash	13,683	13,829
Total cash, cash equivalents and restricted cash	45,932	64,061
Supplemental information:
Interest paid	152,760	126,502
Income taxes paid	242	3,273
Non-cash transactions:
Distributions on common shares/units declared and accrued	181,836	176,335
Accrued construction in progress	37,223	39,047
Interest capitalized	14,691	12,188
Conversion of OP Units to shares of common stock	6,759	3,529
Limited Partnership [Member]
Cash flows from operating activities:
Net income	399,325	370,502
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	463,027	435,342
(Gain) loss on sale of depreciable real estate assets	(71,842)	25
Gain on consolidation of third-party development	0	(11,033)
(Gain) loss on embedded derivative in preferred shares	(3,292)	14,451
Stock compensation expense	12,143	12,396
Amortization of debt issuance costs, discounts and premiums	4,866	4,568
Gain on investments	(5,770)	(3,666)
Net change in operating accounts and other operating activities	18,046	36,580
Net cash provided by operating activities	816,503	859,165
Cash flows from investing activities:
Purchases of real estate and other assets	(104,880)	(189,104)
Capital improvements and other	(257,163)	(235,856)
Development costs	(207,295)	(255,216)
Distributions from real estate joint venture	0	284
Contributions to affiliates	(8,175)	(1,874)
Proceeds from sale of marketable equity securities	0	9,975
Proceeds from real estate asset dispositions	81,128	0
Net proceeds from insurance recoveries	3,692	20,203
Net cash used in investing activities	(492,693)	(651,588)
Cash flows from financing activities:
Net proceeds from (payments of) commercial paper	213,000	(5,000)
Proceeds from notes payable	0	744,551
Principal payments on notes payable	0	(400,000)
Payment of deferred financing costs	0	(7,150)
Dividends paid on common shares	(545,411)	(528,824)
Dividends paid on preferred shares	(2,766)	(2,766)
Proceeds from issuances of common shares	1,089	955
Net change in other financing activities	(551)	(373)
Net cash used in financing activities	(334,639)	(198,607)
Net (decrease) increase in cash, cash equivalents and restricted cash	(10,829)	8,970
Cash, cash equivalents and restricted cash, beginning of period	56,761	55,091
Cash, cash equivalents and restricted cash, end of period	45,932	64,061
Reconciliation of cash, cash equivalents and restricted cash at period end:
Cash and cash equivalents	32,249	50,232
Restricted cash	13,683	13,829
Total cash, cash equivalents and restricted cash	45,932	64,061
Supplemental information:
Interest paid	152,760	126,502
Income taxes paid	242	3,273
Non-cash transactions:
Distributions on common shares/units declared and accrued	181,836	176,335
Accrued construction in progress	37,223	39,047
Interest capitalized	$ 14,691	$ 12,188