Summary of Significant Accounting Policies - Net Product Sales (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue from External Customer [Line Items]
Net product sales	$ 62,498	$ 60,192
HETLIOZ® net product sales
Revenue from External Customer [Line Items]
Net product sales	39,616	37,031
Fanapt® net product sales
Revenue from External Customer [Line Items]
Net product sales	$ 22,882	$ 23,161