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Subsequent events - Time charter-out arrangements (Details) - Vessels - LR2 - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Nov. 30, 2025 | Sep. 30, 2022 | Dec. 31, 2025
STI Gauntlet |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |
Current Rate ($/Day) |  | $ 36,000 | $ 32,750 | $ 36,000
Initial Term |  | 1 year | 3 years | 3 years
STI Lombard |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |
Current Rate ($/Day) |  |  | $ 32,750 |
Initial Term |  |  | 3 years | 3 years
STI Lombard | Execution of Time Charter-Out Agreement |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |
Current Rate ($/Day) | $ 33,000 |  |  |
Initial Term | 5 years |  |  |
STI Rambla | Execution of Time Charter-Out Agreement |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |
Current Rate ($/Day) | $ 30,500 |  |  |
Initial Term | 8 years |  |  |

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