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Income Taxes - Singapore subsidiary commitments (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax [Line Items] |  |  |
Undistributed Earnings of Foreign Subsidiaries | $ 136,000 |  |
withholding tax | 16,100 |  |
Inland Revenue, Singapore (IRAS) [Member] |  |  |
Income Tax [Line Items] |  |  |
Income tax benefit estimate attributable to the tax status of subsidiary | $ 19,700 | $ 24,800 | $ 13,900
Income tax expense benefit per diluted share | $ 0.13 | $ 0.17 | $ 0.10
additional effective tax rate benefit | $ 12,100 | $ 14,200 | $ 8,000

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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-2 + Details
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