Information About the Company's Operating Segments - (Reconciliation of Segment Adjusted OIBDA to Operating Income and Earnings (Loss) from Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting [Abstract]
Consolidated segment Adjusted OIBDA	$ 60,610	$ 71,724	$ 98,775	$ 85,612
Stock‑based compensation	(6,754)	(7,929)	(12,385)	(13,165)
Depreciation and amortization	(65,891)	(64,388)	(133,569)	(80,409)
Insurance proceeds and restructuring, net	(4,218)	0	(1,718)	0
Operating income (loss)	(16,253)	(593)	(48,897)	(7,962)
Interest expense	(40,386)	(35,442)	(78,004)	(43,690)
Share of earnings (loss) of affiliates, net	(1,068)	10,350	(4,364)	7,858
Realized and unrealized gains (losses) on financial instruments, net	679,098	(428,356)	1,688,698	(499,837)
Tax Sharing Agreement	7,452	(21,065)	16,533	(27,948)
Other, net	11,596	(1,845)	14,364	(148)
Earnings (loss) before income taxes	$ 640,439	$ (476,951)	$ 1,588,330	$ (571,727)