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Financial risk management, objectives and policies, Credit risk (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) Customer Vessel Institution Counterparty | Dec. 31, 2021 USD ($) Customer Vessel Counterparty | Dec. 31, 2020 Customer Vessel Counterparty
Credit risk [Abstract] |  |  |  |
Number of vessels chartered with counterparties | Vessel |  | 5 | 7 | 18
Number of vessels | Vessel |  | 23 | 26 | 27
Number of counterparties | Counterparty |  | 4 | 5 | 10
Number of vessels operated in spot market | Vessel |  | 18 | 19 | 9
Number of financial institutions for holding cash | Institution |  | 6 |  |
Number of major customers | Customer |  | 5 | 5 | 5
Current trade receivables | [1] | $ 59,465 | $ 30,361 |
Disclosure of maximum credit exposure [Abstract] |  |  |  |
Cash and cash equivalents |  | 125,948 | 60,658 |
Accounts receivable and accrued revenues |  | 59,465 | 30,361 |
Maximum credit exposure |  | 185,412 | $ 91,018 |
Customer One [Member] |  |  |  |
Credit risk [Abstract] |  |  |  |
Current trade receivables |  | 17,715 |  |
Customer Two [Member] |  |  |  |
Credit risk [Abstract] |  |  |  |
Current trade receivables |  | 7,514 |  |
Customer Three [Member] |  |  |  |
Credit risk [Abstract] |  |  |  |
Current trade receivables |  | 7,349 |  |
Customer Four [Member] |  |  |  |
Credit risk [Abstract] |  |  |  |
Current trade receivables |  | 7,306 |  |
Customer Five [Member] |  |  |  |
Credit risk [Abstract] |  |  |  |
Current trade receivables |  | $ 5,576 |  |
[1] | Amortized cost.

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- Definition The maximum exposure to the credit risk of cash and cash equivalents. + References No definition available. + Details
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