Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Treasury Stock	Distributions in Excess of Cumulative Net Income	Stockholders’ Investment	Nonredeemable Noncontrolling Interests
Beginning balance at Dec. 31, 2018	$ 2,821,156	$ 1,717	$ 107,681	$ 3,934,385	$ (148,473)	$ (1,129,445)	$ 2,765,865	$ 55,291
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	152,683					150,418	150,418	2,265
Common stock issued in merger	1,598,189		41,576	1,556,613			1,598,189
Common stock issued pursuant to stock based compensation	507		91	416			507
Amortization of stock based compensation, net of forfeitures	2,468		(1)	2,469			2,468
Nonredeemable noncontrolling interests acquired in merger	5,329							5,329
Contributions from nonredeemable noncontrolling interests	8,087							8,087
Distributions to nonredeemable noncontrolling interest	(2,411)							(2,411)
Common dividends	(158,173)					(158,173)	(158,173)
Ending balance at Dec. 31, 2019	4,427,835	1,717	149,347	5,493,883	(148,473)	(1,137,200)	4,359,274	68,561
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	238,114					237,278	237,278	836
Common stock issued pursuant to stock based compensation	(307)		90	(397)			(307)
Common stock issued pursuant to unitholder redemption	0	(1,717)	1,719	45,032			45,034	(45,034)
Amortization of stock based compensation, net of forfeitures	4,237		(7)	4,244			4,237
Contributions from nonredeemable noncontrolling interests	5,197							5,197
Distributions to nonredeemable noncontrolling interest	(1,156)							(1,156)
Common dividends	(178,382)					(178,382)	(178,382)
Ending balance at Dec. 31, 2020	4,495,538	0	151,149	5,542,762	(148,473)	(1,078,304)	4,467,134	28,404
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	278,996					278,586	278,586	410
Common stock issued pursuant to stock based compensation	552		126	426			552
Amortization of stock based compensation, net of forfeitures	6,118		(2)	6,120			6,118
Contributions from nonredeemable noncontrolling interests	7,135							6,154
Distributions to nonredeemable noncontrolling interest	(2,319)							(1,338)
Common dividends	(185,620)					(185,620)	(185,620)
Ending balance at Dec. 31, 2021	$ 4,600,400	$ 0	$ 151,273	$ 5,549,308	$ (148,473)	$ (985,338)	$ 4,566,770	$ 33,630