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Product Revenue, Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 56,391	$ 4,986	$ 90,093	$ 7,980
IBSRELA
Disaggregation of Revenue [Line Items]
Revenue	$ 22,300	$ 4,900	$ 51,900	$ 6,900

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