Revenue - Schedule of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 46,023	$ 11,369
Product sales, net
Disaggregation of Revenue [Line Items]
Total revenues	43,512	11,355
IBSRELA
Disaggregation of Revenue [Line Items]
Total revenues	28,361	11,355
XPHOZAH
Disaggregation of Revenue [Line Items]
Total revenues	15,151	0
Product supply revenue
Disaggregation of Revenue [Line Items]
Total revenues	2,126	2
Licensing revenue
Disaggregation of Revenue [Line Items]
Total revenues	17	12
Non-cash royalty revenue related to the sale of future royalties
Disaggregation of Revenue [Line Items]
Total revenues	$ 368	$ 0