v3.26.1
Share-based payments - Schedule of RSU transactions continuity (Detail) - shares
12 Months Ended
Dec. 22, 2025
Dec. 08, 2025
Nov. 28, 2025
Jul. 25, 2025
Jan. 06, 2025
Dec. 04, 2024
Nov. 07, 2024
Oct. 25, 2024
Oct. 09, 2024
Aug. 12, 2024
Jul. 01, 2024
Dec. 31, 2025
Dec. 31, 2024
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Exercised       (125,000)                  
Restricted share units [member]                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Balance, beginning of year                       4,425,625 0
Granted 1,285,300       511,000 120,000 275,000 500,000 387,500 87,500 3,087,500 1,796,300 4,457,500
Exercised   (50,000) (100,000)                 (900,000) (31,875)
Forfeit     275,000                 275,000 0
Balance, end of year                       5,046,925 4,425,625