Royalty Financing Obligations - Schedule of Royalty Financing Obligations (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Mar. 31, 2024
Royalty Montizations [Roll Forward]
Balance	$ 530,574	$ 531,599
Non-cash Interest expense on Royalty financing obligations	14,263	14,187
Royalty revenues paid and payable	(21,204)	(15,212)
Balance	523,633	530,574
2020 RPI Royalty Agreement
Royalty Montizations [Roll Forward]
Balance	176,554	174,480
Non-cash Interest expense on Royalty financing obligations	10,057	9,916
Royalty revenues paid and payable	(9,518)	(7,842)
Balance	$ 177,093	176,554
Effective interest rate	22.40%
2021 RPI Royalty Agreement
Royalty Montizations [Roll Forward]
Balance	$ 184,666	185,345
Non-cash Interest expense on Royalty financing obligations	0	0
Royalty revenues paid and payable	(823)	(679)
Balance	$ 183,843	184,666
Effective interest rate	0.00%
OMERS Royalty Agreement
Royalty Montizations [Roll Forward]
Balance	$ 169,354	171,774
Non-cash Interest expense on Royalty financing obligations	4,206	4,271
Royalty revenues paid and payable	(10,863)	(6,691)
Balance	$ 162,697	$ 169,354
Effective interest rate	9.90%