v3.26.3
Share-based compensation - Share options or shares outstanding (Details)
Jun. 30, 2026
Options
EquityInstruments
Dec. 31, 2025
Options
EquityInstruments
Employee share option plans    
Share-based compensation    
Options outstanding | Options 7,956,764 7,956,764
Deferred Strike Price Payment Plan (DSPPP)    
Share-based compensation    
Outstanding shares | EquityInstruments 29,904,690 29,904,690