v3.26.1
Reserves - Disclosure of Outstanding Share Purchase Options (Detail)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
$ / shares
Mar. 31, 2026
$ / shares
Jun. 30, 2025
$ / shares
Mar. 31, 2025
$ / shares
Dec. 31, 2025
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [abstract]          
Number of Options Outstanding, Beginning balance 1,113,542 1,035,316 1,162,543 1,070,974 1,112,314
Number of Options Outstanding, Granted   95,290   178,020  
Number of Options Outstanding, Exercised (17,046) (17,064) (50,229) (62,041) (66,219)
Number of Options Outstanding, Forfeited (646)     (24,410) (8,593)
Number of Options Outstanding, Expired         (2,186)
Number of Options Outstanding, Ending balance 1,095,850 1,113,542 1,112,314 1,162,543 1,035,316
Weighted Average Exercise Price, Beginning balance $ 77.37 $ 66.4 $ 65.95 $ 58.14 $ 65.86
Weighted Average Exercise Price, Granted   190.62   108.56  
Weighted Average Exercise Price, Exercised 65.22 59.65 54.62 55.9 58.53
Weighted Average Exercise Price, Forfeited 85.91     59.76 97.83
Weighted Average Exercise Price, Expired         49.86
Weighted Average Exercise Price, Ending balance $ 77.8 $ 77.37 $ 65.86 $ 65.95 $ 66.4