CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	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, 2021		$ 37,280	$ 3,755	$ 9,121,122	$ 1,827,063	$ (34,272)
Balance, beginning of year at Dec. 31, 2021								$ 214,094	$ 18,166
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares				1,484
Exercise of share options			4	18,924
Employee Share Purchase Plan (ESPP)				2,378
Share-based employee compensation expense:
Issuance of restricted units/shares			2	7,359				1
Share options				1,390
ESPP discount				420
Offering costs				(487)
Supplemental Executive Retirement Plan (SERP)				(269)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership	$ (98,140)			98,140
Adjustment for Noncontrolling Interests ownership in Operating Partnership				6,632				(6,632)
PAID IN CAPITAL
Conversion of OP Units into Common Shares				1,484
Exercise of share options			4	18,924
Employee Share Purchase Plan (ESPP)				2,378
RETAINED EARNINGS
Net Income (Loss)	294,866				294,866
Common Share distributions					(470,424)
Preferred Share distributions					(1,545)
Accumulated other comprehensive income (loss) - derivative instruments:
Unrealized holding gains (losses) arising during the period	(1,259)					(1,259)
Losses reclassified into earnings from other comprehensive income	(4,881)					4,881
DISTRIBUTIONS
Distributions declared per Common Share outstanding							$ 1.25
NONCONTROLLING INTERESTS
Issuance of restricted units/shares			2	7,359				1
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner								(1,484)
Equity compensation associated with Noncontrolling Interests								13,159
Net income attributable to Noncontrolling Interests	10,027							10,027	1,583
Distributions to Noncontrolling Interests								(15,488)	(17,263)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership	(2,649)							2,649
Adjustment for Noncontrolling Interests ownership in Operating Partnership				6,632				(6,632)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	10,027							10,027	1,583
Contributions by Noncontrolling Interests									603
Distributions to Noncontrolling Interests								(15,488)	(17,263)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Balance, end of period at Jun. 30, 2022		37,280	3,761	9,229,738	1,649,960	(30,650)
Balance, end of period at Jun. 30, 2022					1,649,960	(30,650)		216,326	(1,734)
Balance, beginning of year at Mar. 31, 2022		37,280	3,760	9,142,969	1,661,705	(31,847)
Balance, beginning of year at Mar. 31, 2022								217,451	3,415
COMMON SHARES, $0.01 PAR VALUE
Conversion of OP Units into Common Shares				1,310
Exercise of share options			1	4,583
Employee Share Purchase Plan (ESPP)				1,409
Share-based employee compensation expense:
Issuance of restricted units/shares				3,750
Share options				514
ESPP discount				249
Offering costs				(373)
Supplemental Executive Retirement Plan (SERP)				(106)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Change in market value of Redeemable Noncontrolling Interests - Operating Partnership				97,201
Adjustment for Noncontrolling Interests ownership in Operating Partnership				5,587				(5,587)
PAID IN CAPITAL
Conversion of OP Units into Common Shares				1,310
Exercise of share options			1	4,583
Employee Share Purchase Plan (ESPP)				1,409
RETAINED EARNINGS
Net Income (Loss)	224,101				224,101
Common Share distributions					(235,073)
Preferred Share distributions					(773)
Accumulated other comprehensive income (loss) - derivative instruments:
Unrealized holding gains (losses) arising during the period	(1,259)					(1,259)
Losses reclassified into earnings from other comprehensive income	(2,456)					2,456
DISTRIBUTIONS
Distributions declared per Common Share outstanding							0.625
NONCONTROLLING INTERESTS
Issuance of restricted units/shares				3,750
Conversion of OP Units held by Noncontrolling Interests into OP Units held by General Partner								(1,310)
Equity compensation associated with Noncontrolling Interests								5,361
Net income attributable to Noncontrolling Interests	7,633							7,633	944
Distributions to Noncontrolling Interests								(7,593)	(1,427)
Change in carrying value of Redeemable Noncontrolling Interests - Operating Partnership								371
Adjustment for Noncontrolling Interests ownership in Operating Partnership				5,587				(5,587)
PARTIALLY OWNED PROPERTIES
Net income attributable to Noncontrolling Interests	7,633							7,633	944
Contributions by Noncontrolling Interests									157
Distributions to Noncontrolling Interests								(7,593)	(1,427)
Acquisition of Noncontrolling Interests – Partially Owned Properties				(27,355)					(4,823)
Balance, end of period at Jun. 30, 2022		37,280	3,761	9,229,738	1,649,960	(30,650)
Balance, end of period at Jun. 30, 2022					1,649,960	(30,650)		216,326	(1,734)
Balance, beginning of year at Dec. 31, 2022	11,173,439	37,280	3,784	9,476,085	1,658,837	(2,547)
Balance, beginning of year at Dec. 31, 2022	209,240							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	11,023,866	37,280	3,790	9,472,628
Balance, end of period at Jun. 30, 2023	202,677				1,506,460	3,708		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	11,023,866	$ 37,280	$ 3,790	$ 9,472,628
Balance, end of period at Jun. 30, 2023	$ 202,677				$ 1,506,460	$ 3,708		$ 207,405	$ (4,728)