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Current and long-term debt - 2025 $500.0 Million Credit Facility (Details) | 1 Months Ended |
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Feb. 28, 2025 USD ($) vessel | Dec. 31, 2025 USD ($) vessel
Disclosure of detailed information about borrowings [line items] |  |
Number of vessels | vessel |  | 1
Undrawn borrowing facilities |  | $ 783,900,000
Twenty Twenty Five $500.0 Million Credit Facility |  |
Disclosure of detailed information about borrowings [line items] |  |
Loan maximum borrowing capacity | $ 500,000,000.0 |
Percent of revolving loan | 100.00% |
Borrowings instrument, term | 7 years |
Undrawn commitment fee | 0.74% |
Number of vessels | vessel | 26 |
Net debt to capitalization ratio | 0.65 |
Consolidated tangible net worth | $ 1,500,000,000 |
Minimum ratio for fair value of vessels | 140.00% |
Undrawn borrowing facilities | $ 500,000,000.0 |
Twenty Twenty Five $500.0 Million Credit Facility | Consolidated Liquidity Requirement - Scenario One |  |
Disclosure of detailed information about borrowings [line items] |  |
Covenant liquidity requirement amount | 25,000,000.0 |
Twenty Twenty Five $500.0 Million Credit Facility | Consolidated Liquidity Requirement - Scenario Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Liquidity requirement, per each owned ship | 500,000 |
Liquidity requirement, per each chartered-in ship | $ 250,000 |
Twenty Twenty Five $500.0 Million Credit Facility | Secured Overnight Financing Rate (SOFR) |  |
Disclosure of detailed information about borrowings [line items] |  |
Adjustment to interest rate basis | 1.85% |

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- Definition The adjustment to the basis (reference rate) used for calculation of 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 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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