Shareholders' Equity and Non-Controlling Interests Noncontrolling Interest, P&L Allocation (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Subsidiary-specific information [Line Items]
Net loss	$ (44,370)	$ (222,229)	$ (49,265)	$ (30,804)	$ (266,599)	$ (80,069)
Less: net loss attributable to non-controlling interests	(7,178)		(11,724)		(57,453)	(19,151)
HSCP LLC [Member]
Subsidiary-specific information [Line Items]
Net loss	$ (41,867)		$ (48,059)		$ (277,070)	$ (77,017)
Weighted average ownership percentage of convertible noncontrolling interests	17.18%		24.40%		20.55%	24.86%
HSCP net loss allocated to convertible NCI	$ (7,193)		$ (11,724)		$ (56,938)	$ (19,146)
HSCP net loss allocated to non-convertible NCI	$ 15		$ 0		$ (515)	$ (5)