Acquisition - Components of Intangible Assets and Estimated Useful Lives (Details) - Adamas Pharmaceuticals $ in Thousands	Nov. 24, 2021 USD ($)
Business Acquisition [Line Items]
Intangibles	$ 450,100
Acquired developed technology and product rights
Business Acquisition [Line Items]
Intangibles	$ 450,100
Acquired developed technology and product rights | Minimum
Business Acquisition [Line Items]
Estimated Useful Life as of Closing Date (in years)	3 years 1 month 6 days
Acquired developed technology and product rights | Maximum
Business Acquisition [Line Items]
Estimated Useful Life as of Closing Date (in years)	8 years 1 month 6 days