Digital assets - Disclosure of investment in Bitcoin (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Digital Assets [Abstract] | |||
| Digital assets, opening balance | $ 0 | $ 0 | $ 0 |
| Additions | 377,200 | 0 | 0 |
| Disposals | (122,634) | 0 | 0 |
| Impairment | (67,375) | 0 | 0 |
| Digital assets, closing balance | $ 187,191 | $ 0 | $ 0 |