Intangible assets - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Disclosure of detailed information about intangible assets [line items] | ||
| Impairment charges on intangible assets | $ 2,266 | $ 13,017 |
| Additions to intangible assets | 154 | 550 |
| Amortization expense | 1,696 | 3,107 |
| Arcola Energy Limited | ||
| Disclosure of detailed information about intangible assets [line items] | ||
| Additions to intangible assets | 154 | 550 |
| Amortization expense | 13,017 | |
| Accumulated amortization | ||
| Disclosure of detailed information about intangible assets [line items] | ||
| Impairment charges on intangible assets | 2,266 | 13,017 |
| Additions to intangible assets | 0 | 0 |
| Amortization expense | $ (1,696) | $ (3,107) |