Accounting Policies - Summary of Disaggregated Net Product Sales (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Product Information [Line Items]
Net product sales	$ 26,557	$ 23,230	$ 77,644	$ 65,691
CINVANTI
Product Information [Line Items]
Net product sales	21,169	18,036	64,173	56,186
SUSTOL
Product Information [Line Items]
Net product sales	2,671	3,114	7,179	7,425
ZYNRELEF
Product Information [Line Items]
Net product sales	$ 2,717	$ 2,080	$ 6,292	$ 2,080