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Financial instruments - financial and other risks - Financing risks (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 28, 2026 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Jan. 31, 2025 | May 31, 2020
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Undrawn borrowing facilities |  | $ 783,900 |  |  |  |
Payments of lease liabilities, classified as financing activities |  | $ 0 | $ 0 | $ 516,127 |  |
Unsecured Senior Notes Due 2025 |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Borrowings interest rate |  |  |  |  |  | 7.00%
Unsecured Senior Notes Due 2030 |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Borrowings interest rate |  |  |  |  | 7.50% |
Ocean Yield Lease Financing | Lease option to purchase option exercised | STI Symphony |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |
Payments of lease liabilities, classified as financing activities | $ 18,900 |  |  |  |  |

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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2025-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 17 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17_e&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 50 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_50_a&doctype=Standard -URIDate 2025-03-27 + Details
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