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Compensation - Activity Associated with Limited Partnership Units Awarded to BGC Employees (Detail) - LPUs - shares shares in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of units, redeemed (in shares) | 24,079 | 17,782 | 17,709
BGC Holdings LPUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of units, redeemed (in shares) | 23,001 | 16,618 | 17,209
Newmark Holdings LPUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of units, redeemed (in shares) | 1,078 | 1,164 | 500

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- Definition Share-based compensation arrangement by share based payment award non option equity instrument redeemed. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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