10-K Income taxes - Unrecognized tax benefits (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Reconciliation of the beginning and ending amounts of unrecognized tax benefits | |||
| Balance at beginning of the year | $ 432,341 | $ 56,931 | $ 70,888 |
| Additions based on tax positions related to the current year | 119,792 | 130,790 | 8,313 |
| Additions based on refunds requested but not yet received related to prior years | 36,389 | 91,645 | 0 |
| Additions based on refunds received related to prior years | 16,176 | 9,983 | 0 |
| Subtractions for tax positions of prior years | (2,339) | (896) | |
| Additions for tax positions of prior years | 164,249 | ||
| Subtractions based on acquisitions | 0 | (10,348) | (485) |
| Lapse of statute of limitations | (14,533) | (10,909) | (20,889) |
| Balance at the end of the year | $ 587,826 | $ 432,341 | $ 56,931 |
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- Definition Unrecognized Tax Benefits, Increase Resulting From Prior Period Refunds Received No definition available.
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- Definition Unrecognized Tax Benefits, Increase Resulting From Prior Period Refunds Requested, Not Yet Received No definition available.
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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 acquisitions. No definition available.
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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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