CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Total stockholders’ equity	Shares of common stock	Common stock and paid in capital	Distributions in excess of net income	Accumulated other comprehensive loss	Noncontrolling interests
Balance at Dec. 31, 2017	$ 7,390,708	$ 7,371,501		$ 9,624,264	$ (2,252,763)	$ 0	$ 19,207
Balance (in shares) at Dec. 31, 2017			284,213,685
Increase (Decrease) in Stockholders' Equity
Net income	180,012	179,543			179,543		469
Distributions paid and payable	(377,402)	(376,573)			(376,573)		(829)
Share issuances, net of costs	298,115	298,115		298,115
Share issuances, net of costs (in shares)			5,668,334
Issuance of common partnership units	18,848						18,848
Redemption of common units	0	1,468		1,468			(1,468)
Redemption of common units (in shares)			60,000
Reallocation of equity	0	(492)		(492)			492
Share-based compensation, net	2,188	2,188		2,188
Share-based compensation, net (in shares)			82,256
Balance at Jun. 30, 2018	7,512,469	7,475,750		9,925,543	(2,449,793)	0	36,719
Balance (in shares) at Jun. 30, 2018			290,024,275
Balance at Mar. 31, 2018	7,297,659	7,267,980		9,625,200	(2,357,220)	0	29,679
Balance (in shares) at Mar. 31, 2018			284,380,175
Increase (Decrease) in Stockholders' Equity
Net income	96,697	96,380			96,380		317
Distributions paid and payable	(189,426)	(188,953)			(188,953)		(473)
Share issuances, net of costs	295,897	295,897		295,897
Share issuances, net of costs (in shares)			5,622,401
Issuance of common partnership units	6,704						6,704
Reallocation of equity	0	(492)		(492)			492
Share-based compensation, net	4,938	4,938		4,938
Share-based compensation, net (in shares)			21,699
Balance at Jun. 30, 2018	7,512,469	7,475,750		9,925,543	(2,449,793)	0	36,719
Balance (in shares) at Jun. 30, 2018			290,024,275
Balance at Dec. 31, 2018	8,120,978	8,088,742		10,754,495	(2,657,655)	(8,098)	32,236
Balance (in shares) at Dec. 31, 2018			303,742,090
Increase (Decrease) in Stockholders' Equity
Net income	206,650	206,136			206,136		514
Other comprehensive loss	(6,499)	(6,499)				(6,499)
Distributions paid and payable	(419,006)	(418,418)			(418,418)		(588)
Share issuances, net of costs	971,313	971,313		971,313
Share issuances, net of costs (in shares)			14,416,113
Issuance of common partnership units	6,286						6,286
Redemption of common units	(20,225)	(6,869)		(6,869)			(13,356)
Share-based compensation, net	3,097	3,097		3,097
Share-based compensation, net (in shares)			60,510
Balance at Jun. 30, 2019	8,862,594	8,837,502		11,722,036	(2,869,937)	(14,597)	25,092
Balance (in shares) at Jun. 30, 2019			318,218,713
Balance at Mar. 31, 2019	8,009,076	7,983,895		10,748,467	(2,752,775)	(11,797)	25,181
Balance (in shares) at Mar. 31, 2019			303,807,421
Increase (Decrease) in Stockholders' Equity
Net income	95,420	95,194			95,194		226
Other comprehensive loss	(2,800)	(2,800)				(2,800)
Distributions paid and payable	(212,671)	(212,356)			(212,356)		(315)
Share issuances, net of costs	969,162	969,162		969,162
Share issuances, net of costs (in shares)			14,384,215
Share-based compensation, net	4,407	4,407		4,407
Share-based compensation, net (in shares)			27,077
Balance at Jun. 30, 2019	$ 8,862,594	$ 8,837,502		$ 11,722,036	$ (2,869,937)	$ (14,597)	$ 25,092
Balance (in shares) at Jun. 30, 2019			318,218,713