v3.26.3
Employee Benefit Expenses - Schedule of Net Periodic Cost Recognized in Selling, General and Administrative Expenses (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]            
Service cost $ 43 $ 125 $ 83 $ 246    
Interest cost 175 182 345 357    
Amortization of net actuarial loss (7) (22) (15) (44)    
Net periodic cost $ 225 $ 329 $ 443 $ 647    
HMH Holding BV And Subsidiaries [Member]            
Defined Benefit Plan Disclosure [Line Items]            
Service cost         $ 163 $ 492
Interest cost         749 764
Amortization of net actuarial loss         71 54
Net periodic cost         $ 983 $ 1,310