Commitments and Contingencies - Schedule Of Royalty Liability Account Roll Forward (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Commitments And Contingencies [Line Items]
Balance, beginning of period	$ 721,366
Non-cash interest expense on liability for sale of future royalties	4,248
Balance, end of period	$ 710,849
Effective interest rate	11.10%
Royalty Liability
Commitments And Contingencies [Line Items]
Balance, beginning of period	$ 145,800
Amortization of deferred transaction costs	100
Non-cash interest expense on liability for sale of future royalties	4,200
Royalty revenue remitted to Sagard by UT	(2,100)
Balance, end of period	$ 148,000