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Interest income (expense), net - Schedule of interest income (expense), net (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other Income and Expenses [Abstract] |  |  |  |
Interest income |  | $ 6,878 | $ 7,284 | $ 7,321
Interest expense |  | (58,312) | (56,244) | (50,779)
Interest income (expense), net | $ (51,434) | $ (51,434) | $ (48,960) | $ (43,458)

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- Definition Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. + References No definition available. + Details
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Namespace Prefix: | g_
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- Definition Interest and debt related expenses associated with nonoperating financing activities of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Definition The net amount of nonoperating interest income (expense). + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- References No definition available. + Details
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