Royalty Monetizations - Schedule of Royalty Financing Obligations (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022
Royalty Montizations [Roll Forward]
Balance	$ 477,666	$ 464,225	$ 449,375
Deferred financing costs			(34)
Non-cash Interest expense on Royalty financing obligations	18,460	19,706	19,649
Royalty revenues paid and payable	(6,345)	(6,265)	(4,765)
Balance	489,781	477,666	464,225
2020 RPI Royalty Agreement
Royalty Montizations [Roll Forward]
Balance	157,702	153,004	147,224
Deferred financing costs			0
Non-cash Interest expense on Royalty financing obligations	9,938	10,462	10,165
Royalty revenues paid and payable	(5,837)	(5,764)	(4,385)
Balance	$ 161,802	$ 157,702	153,004
Effective interest rate	23.10%	25.50%
2021 RPI Royalty Agreement
Royalty Montizations [Roll Forward]
Balance	$ 164,809	$ 159,290	153,377
Deferred financing costs			(34)
Non-cash Interest expense on Royalty financing obligations	4,903	6,020	6,327
Royalty revenues paid and payable	(508)	(501)	(380)
Balance	$ 169,204	$ 164,809	159,290
Effective interest rate	11.00%	12.10%
OMERS Royalty Agreement
Royalty Montizations [Roll Forward]
Balance	$ 155,155	$ 151,931	148,774
Deferred financing costs			0
Non-cash Interest expense on Royalty financing obligations	3,619	3,224	3,157
Royalty revenues paid and payable	0	0	0
Balance	$ 158,774	$ 155,155	$ 151,931
Effective interest rate	10.60%	8.50%