Income taxes - Reconciliation of Beginning and Ending Amount of Total Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
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Jun. 30, 2025 |
Dec. 31, 2024 |
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| Unrecognized Tax Benefits [Roll Forward] | ||
| Unrecognized tax benefits at start of period | $ 101,619 | $ 160,016 |
| Increase related to prior year tax positions | 29,140 | 7,374 |
| Decrease related to prior year tax positions | (58,824) | (2,525) |
| Increase related to current period tax positions | 8,896 | 2,171 |
| Lapse of statute of limitations | 0 | (65,417) |
| Unrecognized tax benefits at end of period | $ 80,831 | $ 101,619 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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