Income Taxes - Reconciliation Losses Before Tax, US and Foreign Jurisdictions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary of losses from continuing operations before income taxes between U.S. and foreign jurisdictions
U.S.	$ (236,544)	$ (132,102)	$ (247,938)
Foreign	(71,321)	(59,664)	(38,457)
Total	$ (307,865)	$ (191,766)	$ (286,395)