Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income	$ 456,566	$ 541,576	$ 567,831
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	622,969	586,402	565,857
(Gain) loss on sale of depreciable real estate assets	(72,066)	(55,003)	62
Gain on sale of non-depreciable real estate assets	0	0	(54)
Gain on consolidation of third-party development	0	(11,239)	0
(Gain) loss on embedded derivative in preferred shares	(1,111)	18,751	(18,528)
Stock compensation expense	16,839	15,789	15,699
Amortization of debt issuance costs, discounts and premiums	6,564	6,036	5,909
Gain on investments	(7,457)	(7,809)	(4,449)
Change in accrued expenses and other liabilities	46,618	38,592	29,313
Net change in other operating accounts and operating activities	9,253	(34,803)	(24,453)
Net cash provided by operating activities	1,078,175	1,098,292	1,137,187
Cash flows from investing activities:
Purchases of real estate and other assets	(133,447)	(301,071)	(223,453)
Capital improvements and other	(360,238)	(322,372)	(341,224)
Development costs	(272,030)	(313,888)	(198,152)
Distributions from real estate joint venture	337	327	312
Contributions to affiliates	(9,850)	(2,874)	(16,636)
Proceeds from real estate asset dispositions	81,353	84,209	2,946
Proceeds from sale of markable equity securities	0	9,975	0
Net proceeds from insurance recoveries	3,657	20,195	945
Net cash used in investing activities	(690,218)	(825,499)	(775,262)
Cash flows from financing activities:
Net proceeds from (payments of) commercial paper	426,000	(245,000)	475,000
Proceeds from notes payable	397,416	1,091,646	0
Principal payments on notes payable	(400,000)	(400,000)	(353,861)
Payment of deferred financing costs	(10,911)	(10,317)	(2)
Repurchase of common shares	(27,235)	0	0
Distributions to noncontrolling interests	(18,222)	(18,260)	(17,671)
Dividends paid on common shares	(709,024)	(686,900)	(651,717)
Dividends paid on preferred shares	(3,688)	(3,688)	(3,688)
Proceeds from issuances of common shares	1,452	1,230	205,070
Acquisition of noncontrolling interests	(26,786)	0	(15,757)
Net change in other financing activities	255	166	(5,279)
Net cash used in financing activities	(370,743)	(271,123)	(367,905)
Net increase (decrease) in cash, cash equivalents and restricted cash	17,214	1,670	(5,980)
Cash, cash equivalents and restricted cash, beginning of period	56,761	55,091	61,071
Cash, cash equivalents and restricted cash, end of period	73,975	56,761	55,091
Reconciliation of cash, cash equivalents and restricted cash at period end:
Cash and cash equivalents	60,258	43,018	41,314
Restricted cash	13,717	13,743	13,777
Total cash, cash equivalents and restricted cash	73,975	56,761	55,091
Supplemental information:
Interest paid	190,259	164,883	157,566
Income taxes paid	300	3,343	4,002
Non-cash transactions:
Distributions on common shares/units declared and accrued	183,324	181,738	176,162
Accrued construction in progress	25,914	32,903	23,345
Interest capitalized	18,863	17,435	12,376
Conversion of OP Units to shares of common stock	6,759	3,529	1,092
Limited Partnership [Member]
Cash flows from operating activities:
Net income	456,566	541,576	567,831
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	622,969	586,402	565,857
(Gain) loss on sale of depreciable real estate assets	(72,066)	(55,003)	62
Gain on sale of non-depreciable real estate assets	0	0	(54)
Gain on consolidation of third-party development	0	(11,239)	0
(Gain) loss on embedded derivative in preferred shares	(1,111)	18,751	(18,528)
Stock compensation expense	16,839	15,789	15,699
Amortization of debt issuance costs, discounts and premiums	6,564	6,036	5,909
Gain on investments	(7,457)	(7,809)	(4,449)
Change in accrued expenses and other liabilities	46,618	38,592	29,313
Net change in other operating accounts and operating activities	9,253	(34,803)	(24,453)
Net cash provided by operating activities	1,078,175	1,098,292	1,137,187
Cash flows from investing activities:
Purchases of real estate and other assets	(133,447)	(301,071)	(223,453)
Capital improvements and other	(360,238)	(322,372)	(341,224)
Development costs	(272,030)	(313,888)	(198,152)
Distributions from real estate joint venture	337	327	312
Contributions to affiliates	(9,850)	(2,874)	(16,636)
Proceeds from real estate asset dispositions	81,353	84,209	2,946
Proceeds from sale of markable equity securities	0	9,975	0
Net proceeds from insurance recoveries	3,657	20,195	945
Net cash used in investing activities	(690,218)	(825,499)	(775,262)
Cash flows from financing activities:
Net proceeds from (payments of) commercial paper	426,000	(245,000)	475,000
Proceeds from notes payable	397,416	1,091,646	0
Principal payments on notes payable	(400,000)	(400,000)	(353,861)
Payment of deferred financing costs	(10,911)	(10,317)	(2)
Repurchase of common shares	(27,235)	0	0
Dividends paid on common shares	(727,246)	(705,160)	(669,388)
Dividends paid on preferred shares	(3,688)	(3,688)	(3,688)
Proceeds from issuances of common shares	1,452	1,230	205,070
Acquisition of noncontrolling interests	(26,786)	0	(15,757)
Net change in other financing activities	255	166	(5,279)
Net cash used in financing activities	(370,743)	(271,123)	(367,905)
Net increase (decrease) in cash, cash equivalents and restricted cash	17,214	1,670	(5,980)
Cash, cash equivalents and restricted cash, beginning of period	56,761	55,091	61,071
Cash, cash equivalents and restricted cash, end of period	73,975	56,761	55,091
Reconciliation of cash, cash equivalents and restricted cash at period end:
Cash and cash equivalents	60,258	43,018	41,314
Restricted cash	13,717	13,743	13,777
Total cash, cash equivalents and restricted cash	73,975	56,761	55,091
Supplemental information:
Interest paid	190,259	164,883	157,566
Income taxes paid	300	3,343	4,002
Non-cash transactions:
Distributions on common shares/units declared and accrued	183,324	181,738	176,162
Accrued construction in progress	25,914	32,903	23,345
Interest capitalized	$ 18,863	$ 17,435	$ 12,376