XML 123 R71.htm IDEA: XBRL DOCUMENT v3.25.4
Restructuring Activity (Details) - USD ($)
$ in Millions
 1 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]          
Reduction in workforce (as a percent) 15.00% 33.00%      
Restructuring charges     $ 3.7 $ 0.0 $ 0.0
Restructuring accrual     4.4 $ 0.0  
Research and Development Expense          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges     $ 2.3    
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]     Research and development    
General and Administrative Expense          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges     $ 1.3    
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]     General and administrative    
Employee Severance          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges     $ 15.3    
Non Cash Stock Compensation And Bonus Expense          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges     $ (11.6)