Revenue - Net Product Sales of Fintepla Disaggregated by Geographical Area (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total net product sales	$ 74,740	$ 9,587
United States
Disaggregation of Revenue [Line Items]
Total net product sales	65,683	9,587
Europe
Disaggregation of Revenue [Line Items]
Total net product sales	$ 9,057	$ 0

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details