Exploration Assets - Reconciliation of the Company's explorations contracts (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Exploration Contracts | ||
| Balance at the beginning | $ 42,951 | $ 43,150 |
| Termination of Marawa Agreement | (199) | |
| Changes during the year | 0 | |
| Balance at the end | 42,951 | 42,951 |
| NORI Contract | ||
| Exploration Contracts | ||
| Balance at the beginning | 250 | 250 |
| Termination of Marawa Agreement | 0 | |
| Changes during the year | 0 | |
| Balance at the end | 250 | 250 |
| TOML Contract | ||
| Exploration Contracts | ||
| Balance at the beginning | 42,701 | 42,701 |
| Termination of Marawa Agreement | 0 | |
| Changes during the year | 0 | |
| Balance at the end | 42,701 | 42,701 |
| Marawa Option Agreement | ||
| Exploration Contracts | ||
| Balance at the beginning | 199 | |
| Termination of Marawa Agreement | $ (199) | |
| Changes during the year | $ 0 | |