Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 402,963	$ 455,840
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	424,797	405,412
Loss (gain) on sale of depreciable real estate assets	61	(131,963)
Gain on sale of non-depreciable real estate assets	(54)	(809)
Loss on embedded derivative in preferred shares	1,863	10,364
Stock compensation expense	12,296	14,615
Amortization of debt issuance costs, discounts and premiums	4,537	4,547
(Gain) loss on investments	(745)	39,290
Net change in operating accounts and other operating activities	26,538	10,019
Net cash provided by operating activities	872,256	807,315
Cash flows from investing activities:
Purchases of real estate and other assets	(12,450)	(252,628)
Capital improvements and other	(261,069)	(219,221)
Development costs	(151,145)	(124,262)
Distributions from real estate joint venture	0	386
Contributions to affiliates	(7,505)	(11,100)
Proceeds from real estate asset dispositions	2,948	165,827
Net proceeds from insurance recoveries	680	26,385
Net cash used in investing activities	(428,541)	(414,613)
Cash flows from financing activities:
Net (payments of) proceeds from commercial paper	(20,000)	125,000
Principal payments on notes payable	(3,861)	(126,043)
Payment of deferred financing costs	0	(5,473)
Distributions to noncontrolling interests	(13,266)	(10,968)
Distributions paid on common shares	(488,354)	(395,258)
Distributions paid on preferred shares	(2,766)	(2,766)
Proceeds from issuances of common units	204,743	761
Acquisition of noncontrolling interests	0	(43,070)
Net change in other financing activities	(5,945)	(11,929)
Net cash used in financing activities	(329,449)	(469,746)
Net increase (decrease) in cash, cash equivalents and restricted cash	114,266	(77,044)
Cash, cash equivalents and restricted cash, beginning of period	61,071	130,598
Cash, cash equivalents and restricted cash, end of period	175,337	53,554
Reconciliation of cash, cash equivalents and restricted cash at period end:
Cash and cash equivalents	161,897	38,996
Restricted cash	13,440	14,558
Total cash, cash equivalents and restricted cash	175,337	53,554
Supplemental disclosure of cash flow information:
Interest paid	105,640	109,936
Income taxes paid	3,824	3,463
Supplemental disclosure of noncash investing and financing activities:
Dividends and distributions declared and accrued	167,768	148,305
Accrued construction in progress	26,519	30,175
Interest capitalized	9,065	6,146
Conversion of OP Units to shares of common stock	894	500
Limited Partnership [Member]
Cash flows from operating activities:
Net income	402,963	455,840
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	424,797	405,412
Loss (gain) on sale of depreciable real estate assets	61	(131,963)
Gain on sale of non-depreciable real estate assets	(54)	(809)
Loss on embedded derivative in preferred shares	1,863	10,364
Stock compensation expense	12,296	14,615
Amortization of debt issuance costs, discounts and premiums	4,537	4,547
(Gain) loss on investments	(745)	39,290
Net change in operating accounts and other operating activities	26,538	10,019
Net cash provided by operating activities	872,256	807,315
Cash flows from investing activities:
Purchases of real estate and other assets	(12,450)	(252,628)
Capital improvements and other	(261,069)	(219,221)
Development costs	(151,145)	(124,262)
Distributions from real estate joint venture	0	386
Contributions to affiliates	(7,505)	(11,100)
Proceeds from real estate asset dispositions	2,948	165,827
Net proceeds from insurance recoveries	680	26,385
Net cash used in investing activities	(428,541)	(414,613)
Cash flows from financing activities:
Net (payments of) proceeds from commercial paper	(20,000)	125,000
Principal payments on notes payable	(3,861)	(126,043)
Payment of deferred financing costs	0	(5,473)
Distributions paid on common shares	(501,620)	(406,226)
Distributions paid on preferred shares	(2,766)	(2,766)
Proceeds from issuances of common units	204,743	761
Acquisition of noncontrolling interests	0	(43,070)
Net change in other financing activities	(5,945)	(11,929)
Net cash used in financing activities	(329,449)	(469,746)
Net increase (decrease) in cash, cash equivalents and restricted cash	114,266	(77,044)
Cash, cash equivalents and restricted cash, beginning of period	61,071	130,598
Cash, cash equivalents and restricted cash, end of period	175,337	53,554
Reconciliation of cash, cash equivalents and restricted cash at period end:
Cash and cash equivalents	161,897	38,996
Restricted cash	13,440	14,558
Total cash, cash equivalents and restricted cash	175,337	53,554
Supplemental disclosure of cash flow information:
Interest paid	105,640	109,936
Income taxes paid	3,824	3,463
Supplemental disclosure of noncash investing and financing activities:
Distribution on common units declared and accrued	167,768	148,305
Accrued construction in progress	26,519	30,175
Interest capitalized	$ 9,065	$ 6,146