v3.25.4
Financial instruments and risks - Summary of Equity To Changes in Foreign Exchange Rates (Detail) - Presentation Currency - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]    
Sensitivity analysis, change in exchange rate, percent 10.00%  
USD/CHF | Maximum    
Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]    
Increase / (decrease) of equity in exchange rate $ 2,561 $ 1,520
USD/CHF | Minimum    
Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]    
Increase / (decrease) of equity in exchange rate (2,561) (1,520)
USD/EUR | Maximum    
Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]    
Increase / (decrease) of equity in exchange rate 663 2,244
USD/EUR | Minimum    
Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]    
Increase / (decrease) of equity in exchange rate (663) (2,244)
USD/GBP | Maximum    
Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]    
Increase / (decrease) of equity in exchange rate 95 61
USD/GBP | Minimum    
Disclosure Of Effect Of Changes In Foreign Exchange Rates [Line Items]    
Increase / (decrease) of equity in exchange rate $ (95) $ (61)