Consolidated Statement of Equity - 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 Stockholders' Equity [Member]	Noncontrolling Interest Exchangeable Operating Partnership Units [Member]	Noncontrolling Interests in Limited Partners' Interest in Consolidated Partnerships [Member]	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2019	$ 6,289,961	$ 1,676	$ (23,199)	$ 7,654,930	$ (11,997)	$ (1,408,062)	$ 6,213,348	$ 36,100	$ 40,513	$ 76,613
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	47,317					44,889	44,889	203	2,225	2,428
Other comprehensive income (loss):
Other comprehensive Income (loss) before reclassifications	(18,867)				(17,589)		(17,589)	(79)	(1,199)	(1,278)
Amounts reclassified from accumulated other comprehensive income	11,262				10,961		10,961	50	251	301
Deferred compensation plan, net			(1,237)	1,237
Restricted stock issued, net of amortization	14,248	2		14,246			14,248
Common stock repurchased for taxes withheld for stock based compensation, net	(5,059)			(5,059)			(5,059)
Common stock issued under dividend reinvestment plan	1,139			1,139			1,139
Common stock issued, net of issuance costs	125,608	19		125,589			125,608
Contributions from partners	606								606	606
Issuance of exchangeable operating partnership units	1,275							1,275		1,275
Distributions to partners	(4,888)								(4,888)	(4,888)
Cash dividends declared:
Common stock/unit	(404,455)					(402,633)	(402,633)	(1,822)		(1,822)
Ending Balance at Dec. 31, 2020	6,058,147	1,697	(24,436)	7,792,082	(18,625)	(1,765,806)	5,984,912	35,727	37,508	73,235
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	366,288					361,411	361,411	1,615	3,262	4,877
Other comprehensive income (loss):
Other comprehensive Income (loss) before reclassifications	4,986				4,603		4,603	23	360	383
Amounts reclassified from accumulated other comprehensive income	4,141				3,795		3,795	17	329	346
Deferred compensation plan, net	75		1,678	(1,603)			75
Restricted stock issued, net of amortization	12,652	2		12,650			12,652
Common stock repurchased for taxes withheld for stock based compensation, net	(3,553)			(3,553)			(3,553)
Common stock issued under dividend reinvestment plan	1,286			1,286			1,286
Common stock issued for partnership units exchanged				99			99	(99)		(99)
Common stock issued, net of issuance costs	82,510	13		82,497			82,510
Distributions to partners	(4,345)								(4,345)	(4,345)
Cash dividends declared:
Common stock/unit	(412,255)					(410,419)	(410,419)	(1,836)		(1,836)
Ending 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	488,035					482,865	482,865	2,105	3,065	5,170
Other comprehensive income (loss):
Other comprehensive Income (loss) before reclassifications	18,752				17,008		17,008	80	1,664	1,744
Amounts reclassified from accumulated other comprehensive income	833				779		779	5	49	54
Deferred compensation plan, net	(1)		(1,703)	1,702			(1)
Restricted stock issued, net of amortization	16,667	2		16,665			16,667
Common stock repurchased for taxes withheld for stock based compensation, net	(5,858)			(5,858)			(5,858)
Common stock issued under dividend reinvestment plan	524			524			524
Common stock issued for partnership units exchanged				1,275			1,275	(1,275)		(1,275)
Common stock issued, net of issuance costs	61,284	10		61,274			61,284
Reallocation of noncontrolling interest, net of transaction costs	(216)			(6,482)			(6,482)		6,266	6,266
Common stock repurchased and retired	(75,419)	(13)		(75,406)			(75,419)
Contributions from partners	13,223								13,223	13,223
Distributions to partners	(14,816)								(14,816)	(14,816)
Cash dividends declared:
Common stock/unit	(434,901)					(433,028)	(433,028)	(1,873)		(1,873)
Ending 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