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Assets and liabilities held for sale and discontinued operations - Schedule of assets held for sale (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale beginning balance | $ 871,876 | $ 18,459 |
Assets held for sale ending balance | 165,583 | 871,876 | $ 18,459
Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | 46,464 | 411,044 | 22,064
Marine |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale beginning balance | 871,876 | 18,459 |
Assets held for sale ending balance | 165,583 | 871,876 | 18,459
H2 Infra |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale beginning balance | 0 | 0 |
Assets held for sale ending balance | 0 | 0 | 0
H2 Industry |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale beginning balance | 0 | 0 |
Assets held for sale ending balance | 0 | 0 | 0
Corporate |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (1,031) |  |
Corporate | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (969) |  |
Book Value |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale beginning balance | 871,876 | 18,459 |
Assets held for sale ending balance | 165,583 | 871,876 | 18,459
Book Value | Corporate |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (1,031) |  |
Impairment Loss |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale beginning balance | 0 | 0 |
Assets held for sale ending balance | 0 | 0 | 0
Impairment Loss | Corporate |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
(Estimated) Net sale price | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale beginning balance | 1,282,920 | 40,523 |
Assets held for sale ending balance | 130,337 | 1,282,920 | $ 40,523
(Estimated) Net sale price | Corporate | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (2,000) |  |
Alice | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (61,626) | 61,626 |
Alice | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (24,528) | 24,528 |
Alice | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (61,626) | 61,626 |
Alice | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Alice | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (86,153) | 86,153 |
Anne | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (62,820) | 62,820 |
Anne | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (23,797) | 23,797 |
Anne | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (62,820) | 62,820 |
Anne | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Anne | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (86,617) | 86,617 |
Aquitaine | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (58,657) | 58,657 |
Aquitaine | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (31,796) | 31,796 |
Aquitaine | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (58,657) | 58,657 |
Aquitaine | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Aquitaine | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (90,453) | 90,453 |
Dominica | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (52,826) | 52,826 |
Dominica | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (30,014) | 30,014 |
Dominica | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (52,826) | 52,826 |
Dominica | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Dominica | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (82,840) | 82,840 |
Desirade | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,071) | 56,071 |
Desirade | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (30,082) | 30,082 |
Desirade | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,071) | 56,071 |
Desirade | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Desirade | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (86,153) | 86,153 |
Alboran | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,367) | 56,367 |
Alboran | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (30,136) | 30,136 |
Alboran | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,367) | 56,367 |
Alboran | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Alboran | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (86,503) | 86,503 |
Aral | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,445) | 56,445 |
Aral | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (30,352) | 30,352 |
Aral | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,445) | 56,445 |
Aral | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Aral | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (86,797) | 86,797 |
Andaman | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,636) | 56,636 |
Andaman | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (30,494) | 30,494 |
Andaman | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (56,636) | 56,636 |
Andaman | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Andaman | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (87,130) | 87,130 |
Hatteras | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (59,368) | 59,368 |
Hatteras | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (30,969) | 30,969 |
Hatteras | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (59,368) | 59,368 |
Hatteras | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Hatteras | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (90,337) | 90,337 |
Delos | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (83,611) | 83,611 |
Delos | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (29,409) | 29,409 |
Delos | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (83,611) | 83,611 |
Delos | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Delos | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (113,020) | 113,020 |
Doris | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (84,438) | 84,438 |
Doris | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (28,892) | 28,892 |
Doris | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (84,438) | 84,438 |
Doris | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Doris | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (113,330) | 113,330 |
Derius | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (81,458) | 81,458 |
Derius | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (23,212) | 23,212 |
Derius | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (81,458) | 81,458 |
Derius | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Derius | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (104,670) | 104,670 |
Camus | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (92,228) | 92,228 |
Camus | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (31,569) | 31,569 |
Camus | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (92,228) | 92,228 |
Camus | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Camus | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (123,797) | 123,797 |
Oceania | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (8,294) | 8,294 |
Oceania | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (34,826) | 34,826 |
Oceania | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (8,294) | 8,294 |
Oceania | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 | 0 |
Oceania | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | (43,120) | 43,120 |
Corporate | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale |  | 1,031 |
Corporate | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain |  | 969 |
Corporate | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale |  | 1,031 |
Corporate | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale |  | 0 |
Corporate | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale |  | $ 2,000 |
Cap Charles | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets sold from assets held for sale | (18,459) |  |
Cap Charles | Forecast | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | (22,064) |  |
Cap Charles | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets sold from assets held for sale | (18,459) |  |
Cap Charles | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets sold from assets held for sale | 0 |  |
Cap Charles | (Estimated) Net sale price | Forecast | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets sold from assets held for sale | (40,523) |  |
Cap Lara |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets held for sale ending balance | 14,400 |  |
Cap Lara | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 14,437 |  |
Cap Lara | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | 18,776 |  |
Cap Lara | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 14,437 |  |
Cap Lara | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
Cap Lara | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 33,213 |  |
Alsace | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 69,388 |  |
Alsace | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | 27,462 |  |
Alsace | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 69,388 |  |
Alsace | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
Alsace | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 96,850 |  |
Ingrid | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 44,811 |  |
Ingrid | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | 0 |  |
Ingrid | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 44,811 |  |
Ingrid | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
Ingrid | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
Hakata | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 36,899 |  |
Hakata | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | 0 |  |
Hakata | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 36,899 |  |
Hakata | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
Hakata | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
Windcat 6 | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 48 |  |
Windcat 6 | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
(Expected) Gain | 227 |  |
Windcat 6 | Book Value | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 48 |  |
Windcat 6 | Impairment Loss | Vessels |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | 0 |  |
Windcat 6 | (Estimated) Net sale price | Vessels | Forecast |  |  |
Disclosure Of Assets And Liabilities Held For Sale [Line Items] |  |  |
Assets transferred to assets held for sale | $ 275 |  |

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