Revenues - Schedule of Disaggregation of Product Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 270,600	$ 50,037
Product Sales
Disaggregation of Revenue [Line Items]
Revenue	202,460	50,037
Product Sales | United States
Disaggregation of Revenue [Line Items]
Revenue	197,224	49,132
Product Sales | Outside of the United States
Disaggregation of Revenue [Line Items]
Revenue	5,236	905
Product Sales | Auvelity
Disaggregation of Revenue [Line Items]
Revenue	130,072	5,168
Product Sales | Sunosi
Disaggregation of Revenue [Line Items]
Revenue	72,388	$ 44,869
License Revenue
Disaggregation of Revenue [Line Items]
Revenue	65,735
License Revenue | Outside of the United States
Disaggregation of Revenue [Line Items]
Revenue	65,735
License Revenue | Sunosi
Disaggregation of Revenue [Line Items]
Revenue	65,735
Royalty Revenue
Disaggregation of Revenue [Line Items]
Revenue	2,405
Royalty Revenue | Outside of the United States
Disaggregation of Revenue [Line Items]
Revenue	2,405
Royalty Revenue | Sunosi
Disaggregation of Revenue [Line Items]
Revenue	$ 2,405