Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Distributions in Excess of Net Income [Member]	Total Shareholder's Equity [Member]	Noncontrolling Interest Exchangeable Operating Partnership Units [Member]	Noncontrolling Interests In Limited Partners Interest In Consolidated Partnerships [Member]	Total Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2021	$ 6,109,932	$ 1,712	$ (22,758)	$ 7,883,458	$ (10,227)	$ (1,814,814)	$ 6,037,371	$ 35,447	$ 37,114	$ 72,561
Net income	196,816					195,228	195,228	863	725	1,588
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	8,214				7,537		7,537	37	640	677
Amounts reclassified from accumulated other comprehensive income (loss)	1,010				926		926	4	80	84
Deferred compensation plan, net			(1,073)	1,073
Restricted stock issued, net of amortization	4,208	2		4,206			4,208
Common stock issued repurchased for taxes withheld for stock based compensation, net	(6,091)			(6,091)			(6,091)
Common stock issued under dividend reinvestment plan	118			118			118
Distributions to partners	(1,070)								(1,070)	(1,070)
Cash dividends declared - common stock/unit	(107,445)					(106,970)	(106,970)	(475)		(475)
Ending Balance at Mar. 31, 2022	6,205,692	1,714	(23,831)	7,882,764	(1,764)	(1,726,556)	6,132,327	35,876	37,489	73,365
Beginning Balance at Dec. 31, 2022	6,178,039	1,711	(24,461)	7,877,152	7,560	(1,764,977)	6,096,985	34,489	46,565	81,054
Net income	98,488					97,281	97,281	420	787	1,207
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	(2,544)				(2,316)		(2,316)	(11)	(217)	(228)
Amounts reclassified from accumulated other comprehensive income (loss)	(1,492)				(1,317)		(1,317)	(5)	(170)	(175)
Deferred compensation plan, net			(1,238)	1,238
Restricted stock issued, net of amortization	4,819	2		4,817			4,819
Common stock issued repurchased for taxes withheld for stock based compensation, net	(6,920)			(6,920)			(6,920)
Common stock repurchased and retired	(20,006)	(3)		(20,003)			(20,006)
Common stock issued under dividend reinvestment plan	142			142			142
Contributions from partners	1,777								1,777	1,777
Distributions to partners	(1,039)								(1,039)	(1,039)
Cash dividends declared - common stock/unit	(111,829)					(111,347)	(111,347)	(482)		(482)
Ending Balance at Mar. 31, 2023	$ 6,139,435	$ 1,710	$ (25,699)	$ 7,856,426	$ 3,927	$ (1,779,043)	$ 6,057,321	$ 34,411	$ 47,703	$ 82,114