Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Other Income and Expenses [Abstract]
Interest expense	$ 0	$ (629)	$ (1,321)	$ (1,906)
Noncash interest expense on nonrecourse liability related to sale of future royalties	0	(566)	(562)	(1,988)
Noncash interest expense on debt	0	(529)	(532)	(1,582)
Total	$ 0	$ (1,724)	$ (2,415)	$ (5,476)