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Financing Agreement - Narrative (Details) - Financing Agreement - Line of Credit - USD ($)
$ in Millions
1 Months Ended
Aug. 07, 2024
Feb. 10, 2025
Dec. 31, 2024
Line of Credit Facility [Line Items]      
Debt instrument term 7 years    
Interest rate 15.00%    
Proceeds from debt, net of issuance costs $ 390.7    
Secured Debt      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity 500.0    
Long-term line of credit 400.0    
Line of credit facility, remaining borrowing capacity $ 100.0    
Debt instrument, covenant, minimum liquidity cash, cash equivalents and investments     $ 100.0
Market capitalization threshold     $ 1,500.0
Secured Debt | Subsequent Event      
Line of Credit Facility [Line Items]      
Repayments of debt   $ 1.6  
Secured Debt | GSK-HBV Agreement | Subsequent Event      
Line of Credit Facility [Line Items]      
Repayments of debt, percentage of milestone payment   65.00%