Segment Information - EBITDA Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Net income (loss) attributable to controlling interests and available to common shareholders	$ 24,969	$ 27,490	$ 20,148	$ 15,384	$ 14,841	$ 22,009	$ 14,997	$ 15,233	$ 87,991	$ 67,080	$ 37,140
Interest expense, net									17,360	19,451	20,776
Amortization of deferred financing costs and note discount									11,529	11,363	13,036
Redemption costs for early extinguishment of debt											9,075
Income tax expense									26,622	39,342	28,174
Depreciation and accretion expense									90,953	85,030	75,622
Amortization of intangible assets									36,822	38,799	35,768
EBITDA									271,277	261,065	219,591
Loss (gain) on disposal of assets									81	(14,010)	3,224
Other expense (income)									2,958	3,780	(1,616)
Noncontrolling interests									(67)	(996)	(1,745)
Share-based compensation expense									21,430	19,421	16,432
Acquisition and divestiture-related expenses									9,513	27,127	18,050
Redomicile-related expenses									13,747
Adjusted EBITDA									318,939	296,387	253,936
Depreciation and accretion expense									90,927	84,608	74,314
Adjusted EBITA									228,012	$ 211,779	$ 179,622
Mexico
Segment Reporting Information [Line Items]
Share-based compensation expense									$ 0
Majority owned interest percentage	95.70%								95.70%