Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Distributions in Excess of Net Income	Stockholders’ Investment	Nonredeemable Noncontrolling Interests
Beginning balance at Dec. 31, 2020	$ 4,495,538	$ 151,149	$ 5,542,762	$ (148,473)	$ (1,078,304)	$ 4,467,134	$ 28,404
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	57,371				57,263	57,263	108
Common stock issued pursuant to stock based compensation	552	126	426			552
Amortization of stock based compensation, net of forfeitures	3,146	(2)	3,148			3,146
Contributions from nonredeemable noncontrolling interests	3,382						3,382
Distributions to nonredeemable noncontrolling interests	(353)						(353)
Common dividends	(92,232)				(92,232)	(92,232)
Ending balance at Jun. 30, 2021	4,467,404	151,273	5,546,336	(148,473)	(1,113,273)	4,435,863	31,541
Beginning balance at Mar. 31, 2021	4,481,248	151,240	5,543,549	(148,473)	(1,095,361)	4,450,955	30,293
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	28,060				28,153	28,153	(93)
Common stock issued pursuant to stock based compensation	1,335	35	1,300			1,335
Amortization of stock based compensation, net of forfeitures	1,485	(2)	1,487			1,485
Contributions from nonredeemable noncontrolling interests	1,687						1,687
Distributions to nonredeemable noncontrolling interests	(346)						(346)
Common dividends	(46,065)				(46,065)	(46,065)
Ending balance at Jun. 30, 2021	4,467,404	151,273	5,546,336	(148,473)	(1,113,273)	4,435,863	31,541
Beginning balance at Dec. 31, 2021	4,600,400	151,273	5,549,308	(148,473)	(985,338)	4,566,770	33,630
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	62,327				62,036	62,036	291
Common stock issued under the ATM, net of issuance costs	103,107	2,632	100,475			103,107
Common stock issued pursuant to stock based compensation	610	120	490			610
Amortization of stock based compensation, net of forfeitures	4,502		4,498		4	4,502
Purchase of interest in consolidated joint venture	(43,387)		(27,638)			(27,638)	(15,749)
Contributions from nonredeemable noncontrolling interests	2,520						2,520
Distributions to nonredeemable noncontrolling interests	(92)						(92)
Common dividends	(97,292)				(97,292)	(97,292)
Ending balance at Jun. 30, 2022	4,632,695	154,025	5,627,133	(148,473)	(1,020,590)	4,612,095	20,600
Beginning balance at Mar. 31, 2022	4,582,645	151,349	5,550,718	(148,473)	(1,005,951)	4,547,643	35,002
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	34,164				34,052	34,052	112
Common stock issued under the ATM, net of issuance costs	103,107	2,632	100,475			103,107
Common stock issued pursuant to stock based compensation	1,540	44	1,496			1,540
Amortization of stock based compensation, net of forfeitures	2,086		2,082		4	2,086
Purchase of interest in consolidated joint venture	(43,387)		(27,638)			(27,638)	(15,749)
Contributions from nonredeemable noncontrolling interests	1,241						1,241
Distributions to nonredeemable noncontrolling interests	(6)						(6)
Common dividends	(48,695)				(48,695)	(48,695)
Ending balance at Jun. 30, 2022	$ 4,632,695	$ 154,025	$ 5,627,133	$ (148,473)	$ (1,020,590)	$ 4,612,095	$ 20,600