Significant Accounting Policies - Summary of Net Product Revenues Earned (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Net product revenues	$ 20,920	$ 1,920
Gross product revenues
Disaggregation Of Revenue [Line Items]
Net product revenues	24,644	1,256
Discounts and allowances
Disaggregation Of Revenue [Line Items]
Net product revenues	(4,558)	(190)
Product
Disaggregation Of Revenue [Line Items]
Net product revenues	$ 20,086	$ 1,066