Liability Related to the Sale of Future Royalties - Additional Information (Details) - Royalty Purchase Agreement - RPI Finance Trust (RPI) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Dec. 31, 2019	Jun. 30, 2022
Liability Related To Sale Of Future Royalties [Line Items]
Proceeds from sale of future royalties	$ 320.0
Royalty payment termination description		The agreement with RPI will automatically terminate, and the payment of royalties to RPI will cease, in the event aggregate royalty payments received by RPI are equal to or greater than $608.0 million prior to December 31, 2030, or in the event aggregate royalty payments received by RPI are less than $608.0 million prior to December 31, 2030, when aggregate royalty payments received by RPI are equal to $800.0 million
Royalties transaction costs net	5.8
Proceeds from the sale of future royalties, net	314.2
Effective annual interest rate		9.60%
Minimum
Liability Related To Sale Of Future Royalties [Line Items]
Royalty agreement termination threshold amount	608.0
Maximum
Liability Related To Sale Of Future Royalties [Line Items]
Royalty agreement termination threshold amount	$ 800.0