Segment Information - EBITDA Reconciliation (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
	Dec. 19, 2018	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net income (loss) attributable to controlling interests and available to common shareholders		$ 12,620	$ 20,864	$ 10,471	$ 4,319	$ (6,104)	$ 8,781	$ 3,767	$ (2,768)	$ 48,274	$ 3,676	$ (145,350)
Interest expense, net										26,604	35,429	35,036
Amortization of deferred financing costs and note discount										13,447	14,887	12,574
Redemption costs for early extinguishment of debt	$ 6,400									0	6,408	0
Income tax expense (benefit)										16,522	10,457	(9,292)
Depreciation and accretion expense										130,676	126,199	122,036
Amortization of intangible assets										49,261	52,911	57,866
EBITDA										284,784	249,967	72,870
Loss on disposal and impairment of assets										11,653	17,873	227,796
Other (income) expense										(18,404)	(627)	3,524
Noncontrolling interests										58	38	(25)
Share-based compensation expense										20,962	15,660	14,395
Restructuring expenses add-back										8,928	6,586	11,136
Acquisition related expenses										0	3,191	18,917
Adjusted EBITDA										307,981	$ 292,688	348,613
Canada
Segment Reporting Information [Line Items]
Loss on disposal and impairment of assets										$ (7,300)
Australia & New Zealand
Segment Reporting Information [Line Items]
Loss on disposal and impairment of assets												$ 194,500