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Financial instruments - Summary of Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Carrying amount |  |
Financial instruments |  |
Cash, cash equivalents and restricted cash | $ 132,514 | $ 184,190
Fair value |  |
Financial instruments |  |
Cash, cash equivalents and restricted cash | $ 132,514 | $ 184,190

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