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Income taxes - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Contingency [Line Items] |  |  |
Cumulative unremitted earnings, non-permanently reinvested | $ 2,600,000,000 |  |
Cumulative unremitted earnings, permanently reinvested | $ 0 |  |
Effective income tax rate, total | 7.00% | 17.60% | 18.60%
Realized net benefit as result of reducing our reserves with respect to uncertain tax positions | $ 900,000 | $ 2,300,000 | $ 2,000,000.0
Tax effect, carry forwards | 114,200,000 |  |
Deferred tax assets, valuation allowance | 88,412,000 | 95,747,000 |
Unrecognized tax benefits that would impact effective tax rate | 700,000 |  |
Unrecognized tax benefits, interest expense (benefit) | 100,000 | 100,000 | 200,000
Unrecognized tax benefits, penalties | 300,000 | 600,000 | $ 200,000
Unrecognized tax benefits, interest (benefit) expense accrued | 300,000 | 400,000 |
Unrecognized tax benefits, penalties accrued | 500,000 | $ 1,000,000.0 |
Minimum |  |  |
Income Tax Contingency [Line Items] |  |  |
Unrecognized tax benefits change within next twelve months due to potential for resolution of foreign and U.S. examinations | 0 |  |
Maximum |  |  |
Income Tax Contingency [Line Items] |  |  |
Unrecognized tax benefits change within next twelve months due to potential for resolution of foreign and U.S. examinations | 700,000 |  |
No Expiration Date |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax effect, carry forwards | 21,000,000.0 |  |
After 2024 but before the end of 2029 |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax effect, carry forwards | 12,500,000 |  |
After 2029 |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax effect, carry forwards | $ 80,700,000 |  |

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