Income Tax Disclosure [Line Items]

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- Definition

Restructuring, Consideration Transferred For Marketing Intangibles

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Undistributed Earnings Held By Foreign Subsidiaries And Branch Offices For Which No Deferred Tax Liability Would Accrue On Repatriation Of Retained Earnings Indefinitely Reinvested

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- Definition

Unrecognized tax benefits interest on income taxes expense benefit.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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- Definition

Amount of foreign earnings repatriated from subsidiaries outside the country of domicile.

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- Definition

Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.

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- Definition

Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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Amount of interest expense accrued for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income taxes - Narrative (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Line Items]
Internal restructuring, consideration transferred for marketing intangibles			$ 650,000
Net excess tax benefits on share-based compensation	$ 10,418	$ 7,773	7,310
Net operating loss carryforwards		186,202
Deferred tax assets related to net operating loss carryforwards, excluding state		45,056
Net operating loss of subsidiary, carried forward		89,307
Additional deferred tax assets for U.S. state and local tax loss carry-forwards	4,754
Undistributed earnings held by foreign subsidiaries for which no deferred tax liability would accrue on repatriation of retained earnings indefinitely reinvested	773,314
Cash and cash equivalents	646,765	899,458
Deferred tax liabilities	4,176	3,942
Repatriation of retained earnings	9,512
Deferred tax assets	131,307	102,380
Unrecognized tax benefits that would impact effective tax rate	25,430	25,651
Unrecognized tax benefits, interest on income taxes accrued	2,871	2,842
Accrued penalties	374	628
Unrecognized tax benefits, including exchange rate differences for interest recognized	(2,583)	$ (13,851)	$ 662
No tax expected on repatriation or indefinite reinvestment
Income Tax Disclosure [Line Items]
Cash and cash equivalents	633,890
Foreign (non-Bermuda) subsidiaries
Income Tax Disclosure [Line Items]
Cash and cash equivalents	637,654
Subsidiaries for which the company expects to incur deferred tax liability
Income Tax Disclosure [Line Items]
Cash and cash equivalents	$ 3,764
ASC 326
Income Tax Disclosure [Line Items]
Deferred tax assets				$ 935
Basic and diluted earnings per share
Income Tax Disclosure [Line Items]
Earnings per share effect of tax holiday (in usd per share)	$ 0.00	$ 0.02	$ 0.08