Investments - Schedule of Equity Method Investments and Investments Carried Under Measurement Alternative (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 39,075	$ 38,122
Investments carried under measurement alternative	192	192
Total equity method and investments carried under measurement alternative	$ 39,267	38,314
Advanced Markets Holdings
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage amount	25.00%
Equity method investments	$ 3,772	4,481
China Credit BGC Money Broking Company Limited
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage amount	33.00%
Equity method investments	$ 23,242	21,277
Freedom International Brokerage
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage amount	45.00%
Equity method investments	$ 9,637	9,507
Other
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 2,424	$ 2,857

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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