Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Income and Expenses [Abstract]
Interest expense	$ (1,175)	$ (4,498)	$ (2,330)	$ (9,560)
Interest expense on nonrecourse liability related to sale of future royalties	(635)	(969)	(1,422)	(2,004)
Total	(1,810)	(5,467)	(3,752)	(11,564)
Amortization of deferred financing costs and debt discount	$ 500	$ 4,300	$ 1,053	$ 8,632