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Current and long-term debt - 2021 Ocean Yield financing (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2025 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2021 USD ($) vessel
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings | $ 619,204 | $ 619,204 | $ 861,967 |  |
Principal repayments recognized in consolidated cash flow statements |  | 0 | $ 0 | $ 516,127 |
2021 Ocean Yield Lease Financing |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings | 52,200 | 52,200 |  |  | $ 70,200
STI Gallantry and STI Guard | 2021 Ocean Yield Lease Financing | Vessels |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal repayments recognized in consolidated cash flow statements | 46,800 |  |  |  |
Purchase option fees | $ 1,200 | $ 1,200 |  |  |
STI Gallantry and STI Guard | 2021 Ocean Yield Lease Financing | Vessels | LR2 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Number of vessels under finance lease arrangements | vessel |  |  |  |  | 2

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