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Segment Reporting - Schedule of Presents Significant Expenses Provided to the CODM (Details) - Chief Operating Decision Maker (CODM) [Member] - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Revenues |  |  |  |
Total revenues |  | $ 570,996,806 | $ 390,229,672 | $ 389,602,570
Segment expenses |  |  |  |
Brokerage and transaction | [1] | 128,749,064 | 79,306,618 | 66,418,918
Technology and development | [1] | 73,231,080 | 55,550,088 | 44,407,785
Marketing and branding | [1] | 133,929,889 | 136,693,180 | 150,558,774
General and administrative | [1] | 132,740,255 | 100,445,443 | 75,825,829
Other segment items | [2] | 43,872,899 | 32,587,611 | 29,411,885
Total operating expenses per consolidated statements of operations and comprehensive (loss) income |  | 512,523,187 | 404,582,940 | 366,623,191
Operating income (loss) |  | 58,473,619 | (14,353,268) | 22,979,379
Other expense (income), net |  | 13,275,139 | (2,302,693) | 2,801,285
Provision for income taxes |  | 20,832,451 | 13,823,355 | 16,140,571
Income from discontinued operations, net of tax |  |  | 2,691,778 | 1,784,465
Net income (loss) |  | 24,366,029 | (23,182,152) | 5,821,988
Equity and Option Order Flow Rebates [Member] |  |  |  |
Revenues |  |  |  |
Total revenues |  | 304,126,641 | 197,069,562 | 192,232,715
Interest Related Income [Member] |  |  |  |
Revenues |  |  |  |
Total revenues |  | 154,256,508 | 130,451,877 | 155,792,329
Handling Charge Income [Member] |  |  |  |
Revenues |  |  |  |
Total revenues |  | 87,293,753 | 49,044,700 | 30,677,177
Other Revenues [Member] |  |  |  |
Revenues |  |  |  |
Total revenues |  | $ 25,319,904 | $ 13,663,533 | $ 10,900,349
[1] | Excludes share-based compensation. See Note 21 for operating expense allocation.
[2] | Other segment items represent share-based compensation.

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