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Income taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Income taxes |  |  |  |
(Benefit from) provision for income taxes | $ (3,448) | $ 2,272 | $ (3,683) | $ 1,137
Incremental income tax benefits | 3,500 |  |  |
Increase (decrease) in income taxes | $ 2,400 |  |  |

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