CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Preferred Stock 8.29% Series K Cumulative Redeemable Preferred Stock	COMMON SHARES, $0.01 PAR VALUE	PAID IN CAPITAL	RETAINED EARNINGS	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	DISTRIBUTIONS	OPERATING PARTNERSHIP	PARTIALLY OWNED PROPERTIES
Balance, beginning of year at Dec. 31, 2022		$ 37,280		$ 3,784	$ 9,476,085	$ 1,658,837	$ (2,547)
Balance, beginning of year at Dec. 31, 2022									$ 209,961	$ (721)
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares				2	4,657
Exercise of share options				2	11,356
Employee Share Purchase Plan (ESPP)					2,124
Share-based employee compensation expense:
Issuance of restricted units/shares				2	7,943				1
Share options					3,125
ESPP discount					398
Supplemental Executive Retirement Plan (SERP)					148
Acquisition of Noncontrolling Interests – Partially Owned Properties					(900)					(2,837)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership	$ 39,123				(39,123)
Adjustment for Noncontrolling Interests ownership in Operating Partnership					6,815				(6,815)
PAID IN CAPITAL
Conversion of OP Units into Common Shares				2	4,657
Exercise of share options				2	11,356
Employee Share Purchase Plan (ESPP)					2,124
RETAINED EARNINGS
Net Income (Loss)	351,238					351,238
Common Share distributions						(502,070)
Preferred Share distributions						(1,545)
Accumulated other comprehensive income (loss) - derivative instruments:
Unrealized holding gains (losses) arising during the period	4,054						4,054
Losses reclassified into earnings from other comprehensive income	2,201						2,201
DISTRIBUTIONS
Distributions declared per Common Share outstanding								$ 1.325
NONCONTROLLING INTERESTS
Issuance of restricted units/shares				2	7,943				1
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner									(4,659)
Equity compensation associated with Noncontrolling Interests									10,867
Net income attributable to Noncontrolling Interests	11,613								11,613	2,082
Distributions to Noncontrolling Interests									(15,640)	(3,261)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership	(2,077)								2,077
Adjustment for Noncontrolling Interests ownership in Operating Partnership					6,815				(6,815)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	11,613								11,613	2,082
Contributions by Noncontrolling Interests										9
Distributions to Noncontrolling Interests									(15,640)	(3,261)
Acquisition of Noncontrolling Interests – Partially Owned Properties					(900)					(2,837)
Balance, end of period at Jun. 30, 2023		37,280		3,790	9,472,628	1,506,460	3,708
Balance, end of period at Jun. 30, 2023									207,405	(4,728)
Balance, beginning of year at Mar. 31, 2023		37,280		3,789	9,488,320	1,619,131	(11,232)
Balance, beginning of year at Mar. 31, 2023									211,718	(2,553)
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares					986
Exercise of share options					3,246
Employee Share Purchase Plan (ESPP)					672
Share-based employee compensation expense:
Issuance of restricted units/shares				1	4,290				1
Share options					1,628
ESPP discount					138
Supplemental Executive Retirement Plan (SERP)					(343)
Acquisition of Noncontrolling Interests – Partially Owned Properties					(900)					(2,837)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership					(33,177)
Adjustment for Noncontrolling Interests ownership in Operating Partnership					7,768				(7,768)
PAID IN CAPITAL
Conversion of OP Units into Common Shares					986
Exercise of share options					3,246
Employee Share Purchase Plan (ESPP)					672
RETAINED EARNINGS
Net Income (Loss)	139,203					139,203
Common Share distributions						(251,101)
Preferred Share distributions						(773)
Accumulated other comprehensive income (loss) - derivative instruments:
Unrealized holding gains (losses) arising during the period	13,834						13,834
Losses reclassified into earnings from other comprehensive income	1,106						1,106
DISTRIBUTIONS
Distributions declared per Common Share outstanding								0.6625
NONCONTROLLING INTERESTS
Issuance of restricted units/shares				1	4,290				1
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner									(986)
Equity compensation associated with Noncontrolling Interests									6,213
Net income attributable to Noncontrolling Interests	4,554								4,554	1,105
Distributions to Noncontrolling Interests									(7,736)	(452)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership									1,409
Adjustment for Noncontrolling Interests ownership in Operating Partnership					7,768				(7,768)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	4,554								4,554	1,105
Contributions by Noncontrolling Interests										9
Distributions to Noncontrolling Interests									(7,736)	(452)
Acquisition of Noncontrolling Interests – Partially Owned Properties					(900)					(2,837)
Balance, end of period at Jun. 30, 2023		37,280		3,790	9,472,628	1,506,460	3,708
Balance, end of period at Jun. 30, 2023									207,405	(4,728)
Balance, beginning of year at Dec. 31, 2023	11,085,828	37,280		3,793	9,601,866	1,437,185	5,704
Partial redemption			$ (20,125)
Balance, beginning of year at Dec. 31, 2023	203,300								202,306	994
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares				1	5,047
Exercise of share options				1	6,479
Employee Share Purchase Plan (ESPP)				1	2,448
Common shares repurchased and retired	38,500			(7)		(38,467)
Share-based employee compensation expense:
Issuance of restricted units/shares				2	9,381				2
Share options					2,507
ESPP discount					501
Supplemental Executive Retirement Plan (SERP)					(598)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership	39,058				(39,058)
Adjustment for Noncontrolling Interests ownership in Operating Partnership					1,532				(1,532)
PAID IN CAPITAL
Conversion of OP Units into Common Shares				1	5,047
Exercise of share options				1	6,479
Employee Share Purchase Plan (ESPP)				1	2,448
RETAINED EARNINGS
Net Income (Loss)	473,270					473,270
Common Share distributions						(511,720)
Preferred Share distributions						(902)
Premium on redemption of Preferred Shares - cash charge	(1,444)	(1,400)				(1,444)
Accumulated other comprehensive income (loss) - derivative instruments:
Losses reclassified into earnings from other comprehensive income	1,210						1,210
DISTRIBUTIONS
Distributions declared per Common Share outstanding								1.35
NONCONTROLLING INTERESTS
Issuance of restricted units/shares				2	9,381				2
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner									(5,048)
Equity compensation associated with Noncontrolling Interests									10,236
Net income attributable to Noncontrolling Interests	13,278								13,278	2,039
Distributions to Noncontrolling Interests									(15,875)	(2,786)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership	(665)								665
Adjustment for Noncontrolling Interests ownership in Operating Partnership					1,532				(1,532)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	13,278								13,278	2,039
Contributions by Noncontrolling Interests										458
Distributions to Noncontrolling Interests									(15,875)	(2,786)
Other										(1,000)
Balance, end of period at Jun. 30, 2024	10,975,887	17,155		3,791	9,590,105	1,357,922	6,914
Balance, end of period at Jun. 30, 2024	203,737								204,032	(295)
Balance, beginning of year at Mar. 31, 2024		17,155		3,789	9,603,743	1,436,671	6,314
Balance, beginning of year at Mar. 31, 2024									207,272	(1,131)
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares				1	4,793
Exercise of share options					2,079
Employee Share Purchase Plan (ESPP)				1	804
Share-based employee compensation expense:
Issuance of restricted units/shares					4,887
Share options					1,218
ESPP discount					205
Supplemental Executive Retirement Plan (SERP)					(371)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership					(30,243)
Adjustment for Noncontrolling Interests ownership in Operating Partnership					2,990				(2,990)
PAID IN CAPITAL
Conversion of OP Units into Common Shares				1	4,793
Exercise of share options					2,079
Employee Share Purchase Plan (ESPP)				1	804
RETAINED EARNINGS
Net Income (Loss)	177,483					177,483
Common Share distributions						(255,877)
Preferred Share distributions						(355)
Accumulated other comprehensive income (loss) - derivative instruments:
Losses reclassified into earnings from other comprehensive income	600						600
DISTRIBUTIONS
Distributions declared per Common Share outstanding								$ 0.675
NONCONTROLLING INTERESTS
Issuance of restricted units/shares					4,887
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner									(4,794)
Equity compensation associated with Noncontrolling Interests									6,149
Net income attributable to Noncontrolling Interests	5,003								5,003	1,069
Distributions to Noncontrolling Interests									(7,429)	(456)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership									821
Adjustment for Noncontrolling Interests ownership in Operating Partnership					2,990				(2,990)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	5,003								5,003	1,069
Contributions by Noncontrolling Interests										223
Distributions to Noncontrolling Interests									(7,429)	(456)
Balance, end of period at Jun. 30, 2024	10,975,887	$ 17,155		$ 3,791	$ 9,590,105	$ 1,357,922	$ 6,914
Balance, end of period at Jun. 30, 2024	$ 203,737								$ 204,032	$ (295)