v3.26.1
Share-based Compensation - Hutchmed Share Based Compensation Expense (Details) - HUTCHMED Share Option Scheme - USD ($)
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Share-based Compensation    
Share-based compensation expense $ 971,000 $ 1,552,000
Unrecognized compensation cost $ 1,681,000  
Unrecognized compensation cost - weighted-average remaining service period (in years) 1 year 4 months 24 days  
Research and development expenses    
Share-based Compensation    
Share-based compensation expense $ 835,000 1,206,000
Selling and administrative expenses    
Share-based Compensation    
Share-based compensation expense 106,000 281,000
Cost of revenue    
Share-based Compensation    
Share-based compensation expense $ 30,000 $ 65,000