COMMON SHARES - Share-based payments (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based payment, expense | $ 4,913 | $ 3,108 | $ 10,459 | $ 5,610 |
| Restricted share units | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based payment, expense | 4,088 | 2,085 | 8,456 | 3,310 |
| Deferred share units | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based payment, expense | 252 | 799 | 618 | 1,932 |
| Performance share units | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based payment, expense | 573 | 214 | 1,380 | 299 |
| Stock options | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based payment, expense | $ 0 | $ 10 | $ 5 | $ 69 |