Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)	12 Months Ended
	Dec. 31, 2020
Building
Property and equipment
Useful Lives (in years)	20 years
Manufacturing equipment | Minimum
Property and equipment
Useful Lives (in years)	3 years
Manufacturing equipment | Maximum
Property and equipment
Useful Lives (in years)	10 years
Laboratory Equipment | Minimum
Property and equipment
Useful Lives (in years)	3 years
Laboratory Equipment | Maximum
Property and equipment
Useful Lives (in years)	5 years
Software, Electronic and Office Equipment | Minimum
Property and equipment
Useful Lives (in years)	3 years
Software, Electronic and Office Equipment | Maximum
Property and equipment
Useful Lives (in years)	5 years