Segment Information - EBITDA Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Information
Net (loss) income attributable to controlling interests and available to common shareholders	$ (175,561)		$ 27,490	$ (161,304)	$ 63,022
Interest expense, net	9,743		4,269	25,760	13,227
Amortization of deferred financing costs and note discount	3,195		2,872	9,317	8,636
Income tax (benefit) expense	(4,053)		8,388	(2,335)	26,204
Depreciation and accretion expense	29,807		23,308	88,683	69,085
Amortization of intangible assets	14,996		9,175	45,423	28,129
EBITDA	(121,873)		75,502	5,544	208,303
Loss (gain) on disposal and impairment of assets	22,307		469	26,170	(475)
Other (income) expense	(2,095)		360	(1,730)	748
Noncontrolling interests	(9)		(15)	(19)	(50)
Share-based compensation expense	4,151		6,642	9,971	15,780
Acquisition and divestiture-related expenses	2,889		2,680	15,338	4,938
Goodwill and intangible asset impairment	194,521			194,521
Redomicile-related expenses	22		951	782	12,201
Restructuring expenses		$ 8,200		8,243
Adjusted EBITDA	99,913		86,589	258,820	241,445
Depreciation and accretion expense	29,805		23,301	88,677	69,063
Adjusted EBITA	$ 70,108		$ 63,288	$ 170,143	$ 172,382