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Financial risk management objectives and policies - Sensitivity Analysis to Interest Rate Risk (Details) - Interest rate risk - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about financial instruments [line items] |  |  |
Interest Rate Increase | 1.00% | 1.00% | 1.00%
Effect on profit before tax (-/+) | 13300000.00% | 40300000.00% | 70000000.00%
Interest Rate Decrease | 100.00% | 100.00% | 100.00%
Effect on profit before tax (+/-) | $ (133) | $ (403) | $ (700)

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