Property, Plant and Equipment (Details) ft² in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) a ft² building	Dec. 31, 2019 USD ($)
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 101,132	$ 86,380
Accumulated depreciation	(60,120)	(58,633)
Property and equipment, net	41,012	27,747
Computer hardware and software
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 5,230	4,764
Computer hardware and software | Minimum
Property, Plant and Equipment [Line Items]
Useful life (years)	3 years
Computer hardware and software | Maximum
Property, Plant and Equipment [Line Items]
Useful life (years)	5 years
Manufacturing and lab equipment
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 61,303	59,395
Manufacturing and lab equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life (years)	2 years
Manufacturing and lab equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life (years)	7 years
Office equipment and furniture
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 1,318	1,462
Office equipment and furniture | Minimum
Property, Plant and Equipment [Line Items]
Useful life (years)	5 years
Office equipment and furniture | Maximum
Property, Plant and Equipment [Line Items]
Useful life (years)	7 years
Leasehold improvements
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 20,745	20,759
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful life (years)	2 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful life (years)	12 years
Land and buildings
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 12,536	$ 0
Camas, Washington
Property, Plant and Equipment, Net [Abstract]
Area of Land | a	21
Number Of Buildings | building	2
Area Of Office Space | ft²	165