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Summary of Significant Accounting Policies - Schedule of Net Product Sales (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue from External Customer [Line Items]
Net product sales	$ 47,462	$ 62,498
Fanapt® net product sales
Revenue from External Customer [Line Items]
Net product sales	20,579	22,882
HETLIOZ® net product sales
Revenue from External Customer [Line Items]
Net product sales	20,053	39,616
PONVORY® net product sales
Revenue from External Customer [Line Items]
Net product sales	$ 6,830	$ 0

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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