Condensed Consolidated Statement of Equity - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Total	Class A common shares	Common Stock Class A common shares	Common Stock Class B common shares	Preferred shares	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive loss	Shareholders’ equity	Noncontrolling interest
Beginning balances (in shares) at Dec. 31, 2015			207,235,510	635,075	17,060,000
Beginning balances at Dec. 31, 2015	$ 3,935,233		$ 2,072	$ 6	$ 171	$ 3,554,063	$ (296,865)	$ (102)	$ 3,259,345	$ 675,888
Increase (Decrease) in Stockholders' Equity
Share-based compensation	2,744					2,744			2,744
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)			190,128
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes	2,640		$ 2			2,638			2,640
Issuance of Class A common shares and units in connection with the Merger (in shares)			36,546,170
Issuance of Class A common shares and units in connection with the Merger	530,460		$ 365			511,281			511,646	18,814
Issuance of perpetual preferred shares, net of offering costs of $15,996 (in shares)					19,950,000
Issuance of perpetual preferred shares, net of offering costs of $15,996	482,828				$ 199	482,629			482,828
Redemptions of Class A units (in shares)			40,632
Redemptions of Class A units	(399)		$ 1			503			504	(903)
Repurchases of Class A common shares (in shares)			(6,215,656)
Repurchases of Class A common shares	(96,098)	$ (96,000)	$ (62)			(96,036)			(96,098)
Assumption of exchangeable senior notes	6,970					6,970			6,970
Conversion of Series E units to Series D units	58,494									58,494
Distributions to equity holders:
Preferred shares	(26,650)						(26,650)		(26,650)
Noncontrolling interests	(8,582)									(8,582)
Common shares	(35,997)						(35,997)		(35,997)
Net income (loss)	1,108						(9,283)		(9,283)	10,391
Total other comprehensive income	130							130	130
Ending balances (in shares) at Sep. 30, 2016			237,796,784	635,075	37,010,000
Ending balances at Sep. 30, 2016	$ 4,852,881		$ 2,378	$ 6	$ 370	$ 4,464,792	$ (368,795)	$ 28	$ 4,098,779	$ 754,102