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Income Taxes - Jurisdictions the Company Remains Subject to Tax Examinations (Detail) | 12 Months Ended
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Dec. 31, 2021
United States | Earliest Tax Year | Federal |
Income Taxes [Line Items] |
Tax Years | 2018
United States | Earliest Tax Year | State |
Income Taxes [Line Items] |
Tax Years | 2012
United States | Latest Tax Year | Federal |
Income Taxes [Line Items] |
Tax Years | 2021
United States | Latest Tax Year | State |
Income Taxes [Line Items] |
Tax Years | 2021
Ireland | Earliest Tax Year |
Income Taxes [Line Items] |
Tax Years | 2017
Ireland | Latest Tax Year |
Income Taxes [Line Items] |
Tax Years | 2021
United Kingdom | Earliest Tax Year |
Income Taxes [Line Items] |
Tax Years | 2020
United Kingdom | Latest Tax Year |
Income Taxes [Line Items] |
Tax Years | 2021

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- Definition Tax year that remains open to examination under enacted tax laws, in YYYY format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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