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Reconciliation Between Income Tax Expenses (Parenthetical) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2018
Income Tax Disclosure [Abstract] |  |
Benefit of rate differential on earnings | $ 122,975 |
One-time charge to true-up deferred taxes |  | $ 1,913
Tax losses with investment in foreign subsidiaries and write down of intercompany receivables of foreign subsidiaries | 135,599 |
Reduction in deferred tax assets with regard to foreign tax credit carryforwards |  | $ 17,267
Tax charge for remeasurement of deferred taxes and tax attributes | 49,866 |
Tax Credit, Foreign | $ 21,193 |

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- Definition Covid nineteen pandemic tax losses with foreign subsidiaries investment and write down of intercompany receivables of foreign subsidiaries. + References No definition available. + Details
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- Definition Tax Cuts and Jobs Act Of 2017 provisional accounting changes in deferred tax assets with regard to foreign tax credit carryforwards. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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