Condensed Consolidated Statement of Noncontrolling Interests and Equity - USD ($) $ in Thousands	Total	Redemption of Operating Partnership units for cash	Noncontrolling Interest - Preferred Operating Partnership	Noncontrolling Interest - Preferred Operating Partnership Redemption of Operating Partnership units for stock	Noncontrolling Interest - Preferred Operating Partnership Redemption of Operating Partnership units for cash	Noncontrolling Interest - Operating Partnership	Noncontrolling Interest - Operating Partnership Redemption of Operating Partnership units for stock	Noncontrolling Interest - Operating Partnership Redemption of Operating Partnership units for cash	Noncontrolling Interest - Other	Common Stock	Common Stock Redemption of Operating Partnership units for stock	Additional Paid-in Capital	Additional Paid-in Capital Redemption of Operating Partnership units for stock	Additional Paid-in Capital Redemption of Operating Partnership units for cash	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance, beginning of period at Dec. 31, 2019	$ 2,921,694		$ 175,948			$ 205,419			$ 366	$ 1,295		$ 2,868,681			$ (28,966)	$ (301,049)
Balance, beginning of period (in shares) at Dec. 31, 2019										129,534,407
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of options (in shares)										77,400
Issuance of common stock upon the exercise of options	944									$ 1		943
Issuance of common stock in connection with share based compensation (in shares)										73,602
Issuance of common stock in connection with share based compensation	2,980									$ 1		2,979
Restricted stock grants cancelled (in shares)										(1,767)
Buyback of common stock, net of offering costs (in shares)										(653,597)
Buyback of common stock, net of offering costs	(52,204)									$ (7)						(52,197)
Redemption of Operating Partnership units							$ (330)						$ 330
Redemption of Operating Partnership units (in shares)											8,862
Net income (loss)	116,162		3,112			4,877			(6)							108,179
Other comprehensive income (loss)	(89,244)		(563)			(3,807)									(84,874)
Distributions to Operating Partnership units held by noncontrolling interests	(8,505)		(3,178)			(5,327)
Dividends paid on common stock	(117,197)															(117,197)
Balance, end of period at Mar. 31, 2020	2,774,630		175,319			200,832			360	$ 1,290		2,872,933			(113,840)	(362,264)
Balance, end of period (in shares) at Mar. 31, 2020										129,038,907
Balance, beginning of period at Dec. 31, 2019	2,921,694		175,948			205,419			366	$ 1,295		2,868,681			(28,966)	(301,049)
Balance, beginning of period (in shares) at Dec. 31, 2019										129,534,407
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	351,273
Balance, end of period at Sep. 30, 2020	2,767,822		171,738			206,394			406	$ 1,291		2,889,592			(108,708)	(392,891)
Balance, end of period (in shares) at Sep. 30, 2020										129,094,900
Balance, beginning of period at Mar. 31, 2020	2,774,630		175,319			200,832			360	$ 1,290		2,872,933			(113,840)	(362,264)
Balance, beginning of period (in shares) at Mar. 31, 2020										129,038,907
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of options (in shares)										13,610
Issuance of common stock upon the exercise of options	726											726
Issuance of common stock in connection with share based compensation (in shares)										60,032
Issuance of common stock in connection with share based compensation	4,884									$ 1		4,883
Restricted stock grants cancelled (in shares)										(889)
Buyback of common stock, net of offering costs (in shares)										(172,600)
Buyback of common stock, net of offering costs	(15,615)									$ (1)						(15,614)
Redemption of Operating Partnership units							(3,675)				$ 1		3,674
Redemption of Operating Partnership units (in shares)											100,000
Redemption of Preferred Units				$ (2,724)									2,724
Redemption of Preferred Units (in shares)											30,495
Noncontrolling interest in consolidated joint venture	68								68
Net income (loss)	111,257		3,139			5,216			(9)							102,911
Other comprehensive income (loss)	(5,728)		(41)			(271)									(5,416)
Distributions to Operating Partnership units held by noncontrolling interests	(8,386)		(3,151)			(5,235)
Dividends paid on common stock	(116,318)															(116,318)
Balance, end of period at Jun. 30, 2020	2,745,518		172,542			196,867			419	$ 1,291		2,884,940			(119,256)	(391,285)
Balance, end of period (in shares) at Jun. 30, 2020										129,069,555
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of options (in shares)										18,605
Issuance of common stock upon the exercise of options	1,200											1,200
Issuance of common stock in connection with share based compensation (in shares)										8,289
Issuance of common stock in connection with share based compensation	3,452											3,452
Restricted stock grants cancelled (in shares)										(949)
Buyback of common stock, net of offering costs (in shares)										(600)
Buyback of common stock, net of offering costs	(54)															(54)
Repayment of receivable with Operating Partnership units pledged as collateral	8,226					8,226
Redemption of Preferred Units		$ (1,000)			$ (1,000)
Net income (loss)	123,854		3,248			5,986			(13)							114,633
Other comprehensive income (loss)	11,181		83			550									10,548
Distributions to Operating Partnership units held by noncontrolling interests	(8,370)		(3,135)			(5,235)
Dividends paid on common stock	(116,185)															(116,185)
Balance, end of period at Sep. 30, 2020	2,767,822		171,738			206,394			406	$ 1,291		2,889,592			(108,708)	(392,891)
Balance, end of period (in shares) at Sep. 30, 2020										129,094,900
Balance, beginning of period at Dec. 31, 2020	$ 2,936,124		172,052			215,892			401	$ 1,314		3,000,458			(99,093)	(354,900)
Balance, beginning of period (in shares) at Dec. 31, 2020	131,357,961									131,357,961
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of options (in shares)										56,722
Issuance of common stock upon the exercise of options	$ 4,254											4,254
Issuance of common stock in connection with share based compensation (in shares)										89,793
Issuance of common stock in connection with share based compensation	3,652											3,652
Restricted stock grants cancelled (in shares)										(2,499)
Issuance of common stock, net of offering costs	273,720									$ 22		273,698
Issuance of common stock, net of offering costs (in shares)										2,185,685
Redemption of Operating Partnership units							(193)						193
Redemption of Operating Partnership units (in shares)											5,000
Noncontrolling interest in consolidated joint venture	(50)								(50)
Net income (loss)	215,501		3,680			8,828			(5)							202,998
Other comprehensive income (loss)	23,013		144			956									21,913
Distributions to Operating Partnership units held by noncontrolling interests	(9,025)		(3,224)			(5,801)
Dividends paid on common stock	(132,540)															(132,540)
Balance, end of period at Mar. 31, 2021	3,314,649		172,652			219,682			346	$ 1,336		3,282,255			(77,180)	(284,442)
Balance, end of period (in shares) at Mar. 31, 2021										133,692,662
Balance, beginning of period at Dec. 31, 2020	$ 2,936,124		172,052			215,892			401	$ 1,314		3,000,458			(99,093)	(354,900)
Balance, beginning of period (in shares) at Dec. 31, 2020	131,357,961									131,357,961
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Buyback of common stock, net of offering costs (in shares)	0
Net income (loss)	$ 593,900
Balance, end of period at Sep. 30, 2021	$ 3,382,875		170,248			220,591			274	$ 1,338		3,283,848			(64,155)	(229,269)
Balance, end of period (in shares) at Sep. 30, 2021	133,819,163									133,819,163
Balance, beginning of period at Mar. 31, 2021	$ 3,314,649		172,652			219,682			346	$ 1,336		3,282,255			(77,180)	(284,442)
Balance, beginning of period (in shares) at Mar. 31, 2021										133,692,662
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in connection with share based compensation (in shares)										44,990
Issuance of common stock in connection with share based compensation	4,983											4,983
Restricted stock grants cancelled (in shares)										(4,972)
Offering costs associated with previous stock issuance	(211)											(211)
Repayment of receivable with Operating Partnership units pledged as collateral	411					411
Redemption of Operating Partnership units		$ (472)					(2,185)	$ (113)			$ 1		2,184	$ (359)
Redemption of Operating Partnership units (in shares)											58,429
Noncontrolling interest in consolidated joint venture	150								150
Net income (loss)	178,579		3,438			7,190			3							167,948
Other comprehensive income (loss)	5,617		35			232									5,350
Distributions to Operating Partnership units held by noncontrolling interests	(8,974)		(3,223)			(5,751)
Dividends paid on common stock	(133,777)															(133,777)
Balance, end of period at Jun. 30, 2021	3,360,955		172,902			219,466			499	$ 1,337		3,288,852			(71,830)	(250,271)
Balance, end of period (in shares) at Jun. 30, 2021										133,791,109
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of options (in shares)										5,600
Issuance of common stock upon the exercise of options	318											318
Issuance of common stock in connection with share based compensation (in shares)										10,913
Issuance of common stock in connection with share based compensation	4,012											4,012
Restricted stock grants cancelled (in shares)										(4,582)
Offering costs associated with previous stock issuance	(151)											(151)
Redemption of Operating Partnership units							$ (34)						34
Redemption of Operating Partnership units (in shares)											858
Redemption of Preferred Units				$ (2,834)							$ 1		$ 2,833
Redemption of Preferred Units (in shares)											15,265
Purchase of remaining equity interest in existing consolidated joint venture	(12,050)											(12,050)
Noncontrolling interest in consolidated joint venture	(225)								(225)
Net income (loss)	199,820		3,529			8,015										188,276
Other comprehensive income (loss)	8,055		50			330									7,675
Distributions to Operating Partnership units held by noncontrolling interests	(10,585)		(3,399)			(7,186)
Dividends paid on common stock	(167,274)															(167,274)
Balance, end of period at Sep. 30, 2021	$ 3,382,875		$ 170,248			$ 220,591			$ 274	$ 1,338		$ 3,283,848			$ (64,155)	$ (229,269)
Balance, end of period (in shares) at Sep. 30, 2021	133,819,163									133,819,163