v3.25.4
PURCHASE AND SALE OF THE REVENUE PARTICIPATION RIGHT - Narrative (Details) - USD ($)
$ in Thousands
 1 Months Ended 2 Months Ended 12 Months Ended
Oct. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]          
Proceeds from sale of future revenue     $ 55,000 $ 0 $ 0
Liability related to the sale of future revenue, net   $ 34,244 34,244 0  
Non-cash interest expense     2,566 377 317
Derivative liability   20,030 20,030    
Other expense, net     1,657 314 193
Change in fair value of derivative liability     700 $ 0 $ 0
Sale of Future Revenue          
Debt Instrument [Line Items]          
Derivative liability $ 19,330 20,030 20,030    
Other expense, net $ 1,800        
Change in fair value of derivative liability   700      
Significant Unobservable Inputs (Level 3)          
Debt Instrument [Line Items]          
Derivative liability   $ 20,030 20,030    
Minimum | Significant Unobservable Inputs (Level 3) | Measurement Input, Discount Rate | Valuation, Market Approach | Sale of Future Revenue          
Debt Instrument [Line Items]          
Derivative liability, measurement input 0.093        
Maximum | Significant Unobservable Inputs (Level 3) | Measurement Input, Discount Rate | Valuation, Market Approach | Sale of Future Revenue          
Debt Instrument [Line Items]          
Derivative liability, measurement input 0.115        
Sale of Future Revenue          
Debt Instrument [Line Items]          
Principal amount $ 300,000        
Proceeds from sale of future revenue 55,000   $ 55,000    
Conditional payments, sales achievement threshold 1,100,000        
Effective interest rate (in percent)   21.20% 21.20%    
Liability related to the sale of future revenue, net 32,400 $ 34,244 $ 34,244    
Non-cash interest expense     $ 1,805    
Sale of Future Revenue, Milestone And Marketing Approval          
Debt Instrument [Line Items]          
Conditional payments 15,000        
Sale of Future Revenue, Milestone          
Debt Instrument [Line Items]          
Conditional payments 25,000        
Sale of Future Revenue, Marketing Approval | Veligrotug          
Debt Instrument [Line Items]          
Conditional payments 75,000        
Sale of Future Revenue, Marketing Approval | Elegrobart          
Debt Instrument [Line Items]          
Conditional payments 50,000        
Sale of Future Revenue, Net Sales Achievement          
Debt Instrument [Line Items]          
Conditional payments 50,000        
Sale of Future Revenue, Agreed Upon Financial Terms          
Debt Instrument [Line Items]          
Conditional payments $ 30,000        
Sale of Future Revenue, Royalty Payments, Tier 1          
Debt Instrument [Line Items]          
Sales royalties, percentage 7.50%        
Sales royalties threshold $ 600,000        
Sale of Future Revenue, Royalty Payments, Tier 2          
Debt Instrument [Line Items]          
Sales royalties, percentage 0.80%        
Sale of Future Revenue, Royalty Payments, Tier 2 | Minimum          
Debt Instrument [Line Items]          
Sales royalties threshold $ 600,000        
Sale of Future Revenue, Royalty Payments, Tier 2 | Maximum          
Debt Instrument [Line Items]          
Sales royalties threshold $ 900,000        
Sale of Future Revenue, Royalty Payments, Tier 3          
Debt Instrument [Line Items]          
Sales royalties, percentage 0.25%        
Sale of Future Revenue, Royalty Payments, Tier 3 | Minimum          
Debt Instrument [Line Items]          
Sales royalties threshold $ 900,000        
Sale of Future Revenue, Royalty Payments, Tier 3 | Maximum          
Debt Instrument [Line Items]          
Sales royalties threshold 2,000,000        
Sale of Future Revenue, Royalty Payments, Tier 4          
Debt Instrument [Line Items]          
Sales royalties threshold $ 2,000,000