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Financial risk management - Interest rate risk (Details) - Interest rate risk - Fixed interest rate - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of financial instruments by type of interest rate [line items] |  |
Long-term debt | $ 2,414,935 | $ 2,141,801
Reasonably possible change in risk variable, percent | 1.00% |
Reasonably possible change in risk variable, impact on debt | $ 119,600 | 100,500
Unsecured notes |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Long-term debt | 2,273,881 | 1,985,660
Other limited recourse debt facilities |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Long-term debt | $ 141,054 | $ 156,141

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