Royalty Financing Obligations - Schedule of Royalty Financing Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Royalties Monetizations [Line Items]
Balance	$ 501,655	$ 449,375	$ 124,717
Long-term debt, total			298,142
Non-cash Interest expense on Royalty financing obligations	70,356	76,482	37,670
Royalty revenues paid and payable	(40,412)	(24,168)	(11,154)
Deferred financing costs		(34)
Balance	531,599	501,655	449,375
2020 RPI Royalty Agreement
Royalties Monetizations [Line Items]
Balance	164,981	147,224	124,717
Non-cash Interest expense on Royalty financing obligations	38,267	39,994	33,308
Royalty revenues paid and payable	(28,768)	(22,237)	(10,801)
Balance	$ 174,480	$ 164,981	147,224
Effective interest rate	22.30%	22.40%
2021 RPI Royalty Agreement
Royalties Monetizations [Line Items]
Balance	$ 173,651	$ 153,377
Long-term debt, total			150,833
Non-cash Interest expense on Royalty financing obligations	14,188	22,239	2,897
Royalty revenues paid and payable	(2,494)	(1,931)	(353)
Deferred financing costs		(34)
Balance	$ 185,345	$ 173,651	153,377
Effective interest rate	0.00%	13.10%
OMERS Royalty Agreement
Royalties Monetizations [Line Items]
Balance	$ 163,023	$ 148,774
Long-term debt, total			147,309
Non-cash Interest expense on Royalty financing obligations	17,901	14,249	1,465
Royalty revenues paid and payable	(9,150)
Balance	$ 171,774	$ 163,023	$ 148,774
Effective interest rate	10.00%	10.60%