Segment Information - EBITDA Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Information
Net (loss) income attributable to controlling interests and available to common shareholders	$ (901)	$ 15,384
Interest expense, net	6,557	4,492
Amortization of deferred financing costs and note discount	2,976	2,782
Income tax (benefit) expense	(2,952)	7,955
Depreciation and accretion expense	29,121	22,677
Amortization of intangible assets	15,180	9,263
EBITDA	49,981	62,553
Loss on disposal and impairment of assets	3,194	382
Other income	(1,580)	(555)
Noncontrolling interests	(4)	(18)
Share-based compensation expense	2,197	3,168
Acquisition and divestiture-related expenses	8,456	1,584
Redomicile-related expenses	760	6,036
Restructuring expenses	8,243
Adjusted EBITDA	71,247	73,150
Depreciation and accretion expense	29,118	22,669
Adjusted EBITA	$ 42,129	$ 50,481