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Compensation - Activity Associated with Limited Partnership Units Awarded to BGC Employees (Detail) - LPUs - shares | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of units, redeemed (in shares) | 11,053,000 | 6,051,000
BGC Holdings LPUs |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of units, redeemed (in shares) | 10,975,000 | 5,787,000
Newmark Holdings LPUs |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of units, redeemed (in shares) | 78,000 | 264,000

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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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Balance Type: | na
Period Type: | duration

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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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Namespace Prefix: |
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- Details
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