Share-based payments - Schedule Of Reserve Activity (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||
| Balance, beginning of the year | $ 93,515,510 | $ 64,280,247 | $ 63,924,814 |
| Vesting and forfeiture of options | 0 | 2,970 | 180,587 |
| Vesting and forfeiture of DSUs | 2,321,445 | 11,100,686 | 4,650,337 |
| Vesting of RSUs | 40,757,669 | 25,853,678 | 0 |
| DSU exercise | (15,467,160) | (2,733,328) | (400,000) |
| RSU exercise | (13,321,000) | (460,225) | 0 |
| Option exercise | (80,511) | (3,961,898) | (3,978,991) |
| Expired options | (12,091,112) | (566,620) | (96,500) |
| Balance, end of the year | $ 95,634,841 | $ 93,515,510 | $ 64,280,247 |