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Liabilities Related to the Sales of Future Royalties (Tables)

12 Months Ended

Dec. 31, 2024

Liability Related To Sale Of Potential Future Royalties [Abstract]

Schedule of Liability Related to Potential Future Royalties

The following table shows the activity within the liability account of each arrangement (in thousands):


		Year-Ended December 31, 2024												Period from inception to December 31, 2024
		2012 Purchase and Sale Agreement				2020 Purchase and Sale Agreement				Total				2012 Purchase and Sale Agreement				2020 Purchase and Sale Agreement				Total
Liabilities related to the sales of future royalties—beginning balance		$	24,217			$	89,657			$	113,874			$	—			$	—			$	—
Royalty monetization proceeds			—				15,000				15,000				124,000				165,000				289,000
Non-cash royalty revenue			(26,881	)			(37,386	)			(64,267	)			(380,728	)			(155,705	)			(536,433	)
Non-cash interest expense			9,861				18,251				28,112				250,403				76,227				326,630
Payments to RPI			—				—				—				(10,000	)			—				(10,000	)
Loss on revaluation of liability related to the sale of future royalties			—				—				—				23,522				—				23,522
Liabilities related to the sales of future royalties – ending balance			7,197				85,522				92,719				7,197				85,522				92,719
Less: unamortized transaction costs			—				(943	)			(943	)			—				(943	)			(943	)
Liabilities related to the sales of future royalties, net		$	7,197			$	84,579			$	91,776			$	7,197			$	84,579			$	91,776