Acquisition - Components of Intangible Assets and Estimated Useful Lives (Details) - Adamas Pharmaceuticals $ in Thousands	Nov. 24, 2021 USD ($)
Business Acquisition [Line Items]
Intangibles(4)	$ 450,500
Acquired developed technology and property rights
Business Acquisition [Line Items]
Intangibles(4)	$ 450,500
Acquired developed technology and property rights | Minimum
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	3 years 1 month 6 days
Acquired developed technology and property rights | Maximum
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	8 years 1 month 6 days