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Income Taxes - Schedule of Changes in Balance of Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Income Tax Contingency [Line Items] |  |  |
Beginning balance |  | $ 27,016 | $ 32,101
Decrease - Lapse of statute of limitations | [1] | (5,171) | (5,981)
Increases |  | 173 | 320
Foreign currency translation | [2] | (93) | 576
Ending balance |  | 21,925 | 27,016
Unrecognized Tax Benefits [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Beginning balance |  | 21,850 | 25,998
Decrease - Lapse of statute of limitations | [1] | (3,559) | (4,620)
Foreign currency translation | [2] | (73) | 472
Ending balance |  | 18,218 | 21,850
Interest And Penalties [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Beginning balance |  | 5,166 | 6,103
Decrease - Lapse of statute of limitations | [1] | (1,612) | (1,361)
Increases |  | 173 | 320
Foreign currency translation | [2] | (20) | 104
Ending balance |  | $ 3,707 | $ 5,166
[1] | Recorded as an income tax benefit along with an equal and offsetting amount recorded in other losses and gains, net, to recognize a reduction in the indemnification asset.
[2] | The gross unrecognized tax benefits were accrued in British pounds.

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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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- Definition Amount of increase in unrecognized tax benefits and interest/penalties resulting from tax positions that have been or will be taken in current period tax return. + References No definition available. + Details
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