v3.26.1
Stock-Based Compensation - Assumptions (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
OnkosXcel PSU    
Stock-Based Compensation    
Expected term 5 years 9 months 18 days  
Expected stock price volatility (as a percent) 97.40%  
Risk-free rate of interest (as a percent) 3.60%  
Expected dividend yield (as a percent) 0.00%  
Employee Stock Option    
Stock-Based Compensation    
Expected stock price volatility, minimum (as a percent) 112.00% 108.00%
Expected stock price volatility, maximum (as a percent) 112.10% 112.50%
Risk-free rate of interest, minimum (as a percent) 4.50% 4.00%
Risk-free rate of interest, maximum (as a percent) 4.50% 4.50%
Expected dividend yield (as a percent) 0.00%  
Employee Stock Option | Minimum    
Stock-Based Compensation    
Expected term 5 years 6 months 5 years 6 months
Expected dividend yield (as a percent) 0.00% 0.00%
Employee Stock Option | Maximum    
Stock-Based Compensation    
Expected term 6 years 6 years 1 month 6 days
Expected dividend yield (as a percent) 0.00% 0.00%