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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Document Fiscal Year Focus | 2020 |  |
Effective income tax rate for continuing operations | 11.60% | 20.60% | 21.90%
Undistributed earnings relating to certain non-U.S. subsidiaries | $ 251,000 | $ 188,000 |
Net operating loss carryforwards | $ 62,300 |  |

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