Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Income and Expenses [Abstract]
Interest expense	$ (1,155)	$ (5,062)
Interest expense on nonrecourse liability related to sale of future royalties	(787)	(1,035)
Total	1,942	6,097
Amortization of deferred financing costs and debt discount	$ 526	$ 4,287