Corporate general and administrative expenses (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Corporate General and Administrative Expenses [Abstract] | ||
| Directors' fees settled though issuance of deferred share units | $ 3.4 | $ 0.3 |