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v3.25.1

Related Party Transactions - Service Agreements (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Related Party Transaction [Line Items] |  |
Total revenues | $ 664,240 | $ 578,614
Tower Bridge International Services LP | BGC Partners, Inc. |  |
Related Party Transaction [Line Items] |  |
Company ownership of Tower Bridge (as a percent) | 52.00% |
Tower Bridge International Services LP | Cantor |  |
Related Party Transaction [Line Items] |  |
Ownership percentage by noncontrolling owners (as a percent) | 48.00% |
Related Party |  |
Related Party Transaction [Line Items] |  |
Mark-up cost of services (as a percent) | 7.50% |
Share of net profit (loss) from noncontrolling interest | $ 500 | 200
Compensation to leased employees | 28,100 | 19,400
Related Party | Service Agreement with Cantor |  |
Related Party Transaction [Line Items] |  |
Total revenues | 4,400 | 4,400
Service charges | $ 36,700 | $ 26,600

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