Goodwill and Intangible Assets - Net Book Value (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019
Amortizable intangible assets:
Amortizable intangible assets: Gross Value	$ 85,172	$ 1,629
Amortizable intangible assets: Accumulated Amortization	(17,456)	(816)
Amortizable intangible assets, Impairment	(66,087)
Amortizable intangible assets: Net Carrying Amount	1,629	813
Unamortizable intangible assets:
Unamortizable intangible assets: Goodwill, Gross Value	18,491	18,491
Unamortizable intangible assets: Accumulated Amortization	0	0
Unamortizable intangible assets: Net Book Value	18,491	18,491
In Process Research and Development | Noctiva
Amortizable intangible assets:
Amortizable intangible assets: Gross Value	73,111	0
Amortizable intangible assets: Accumulated Amortization	(7,024)	0
Amortizable intangible assets, Impairment	(66,087)
Amortizable intangible assets: Net Carrying Amount	0	0
In Process Research and Development | Vazculep
Amortizable intangible assets:
Amortizable intangible assets: Gross Value	12,061	1,629
Amortizable intangible assets: Accumulated Amortization	(10,432)	(816)
Amortizable intangible assets, Impairment	0
Amortizable intangible assets: Net Carrying Amount	$ 1,629	$ 813