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Vessel revenue - Additional information (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2025 USD ($) vessel | Dec. 31, 2025 USD ($) vessel | Dec. 31, 2024 USD ($) vessel | Dec. 31, 2023 USD ($) vessel | Aug. 31, 2025 USD ($)
Disclosure of maturity analysis of operating lease payments [line items] |  |  |  |  |
Vessels that earned revenue in long-term time-charter contracts |  | 19 | 16 | 15 |
Vessels that earned revenue through bareboat charter-out agreements |  | 1 |  |  |
Variability of lease revenue |  | 100.00% |  |  |
Number of vessels under fixed rate bareboat charter agreements |  |  |  | 3 |
Number of vessels under variable rate bareboat charter agreements |  |  |  | 18 |
Product tanker |  |  |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |  |  |
Income from subleasing right-of-use assets | $ |  | $ 0 | $ 0 | $ 136,600,000 |
Product tanker | MR | STI Bosphorus |  |  |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |  |  |
Bareboat charter-out daily rate | $ |  |  |  |  | $ 13,150
Bareboat charter-out agreement, age of vessel at termination |  |  |  |  | 20 years
Vessels | LR2 | STI Alexis and STI Rose |  |  |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |  |  |
Number of time charter-out agreements | 2 | 2 |  |  |
Initial Term | 5 years |  |  |  |
Current Rate ($/Day) | $ | $ 29,000 | $ 29,000 |  |  |

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- Definition The amount of income from subleasing right-of-use assets. Sublease is a transaction for which an underlying asset is re-leased by a lessee (‘intermediate lessor’) to a third party, and the lease (‘head lease’) between the head lessor and lessee remains in effect. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2025-01-01 -Paragraph 53 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_f&doctype=Standard -URIDate 2025-03-27 + Details
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