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Royalty Financing Agreement - Carrying Value of Royalty Financing Agreement (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]      
Royalty financing agreement liability - beginning balance $ 148,015    
Royalty financing agreement liability - ending balance 155,034 $ 148,015  
Amortization of issuance costs 7,320 3,991 $ 1,890
Royalty Financing Agreement 155,034 148,015  
Royalty Agreements      
Debt Instrument [Line Items]      
Interest expense recognized 18,846 3,687 0
Secured Debt      
Debt Instrument [Line Items]      
Amortization of issuance costs 521 101  
Secured Debt | Royalty Agreements      
Debt Instrument [Line Items]      
Royalty financing agreement liability - beginning balance 151,538 150,000  
Revenue Interest Payments paid and payable (12,222) (2,149)  
Interest expense recognized 18,846 3,687  
Royalty financing agreement liability - ending balance 158,162 151,538 150,000
Royalty financing issuance costs, unamortized - beginning balance 3,523 3,624  
Other (126) 0  
Deferred issuance costs, unamortized - ending balance 3,128 3,523 3,624
Royalty Financing Agreement $ 158,162 $ 151,538 $ 150,000