Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	$ 7,387				$ 7,222				$ 7,387	$ 7,222
Net Income (Loss) Attributable to Parent	16,279	$ 25,556	$ (112,296)	$ 1,602	22,336	$ 20,732	$ 60,439	$ 7,241	(68,859)	110,748	$ 63,606
Revenues	45,119	$ 67,898	$ 46,575	$ 38,518	68,036	$ 62,749	$ 143,835	$ 45,440	198,110	320,060	$ 244,301
Income generating assets [Member]
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	160				137				160	137
Net Income (Loss) Attributable to Parent									34,595	125,759
Revenues									92,662	235,937
Pharmaceutical [Member]
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	3,682				822				3,682	822
Net Income (Loss) Attributable to Parent									(98,368)	(5,755)
Revenues									80,796	69,032
Medical devices [Member]
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	$ 3,545				$ 6,263				3,545	6,263
Net Income (Loss) Attributable to Parent									(5,086)	(9,256)
Revenues									$ 24,652	$ 15,091