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Revenue - Schedule of Total Revenue Disaggregated by Revenue Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Schedule of Total Revenue Disaggregated by Revenue Type [Line Items]
Total revenue disaggregated	$ 50,821	$ 4,043	$ 93,026	$ 11,584
Underwriting [Member]
Schedule of Total Revenue Disaggregated by Revenue Type [Line Items]
Total revenue disaggregated	32,745	1,971	57,828	6,360
Commissions [Member]
Schedule of Total Revenue Disaggregated by Revenue Type [Line Items]
Total revenue disaggregated	8,881	1,161	14,570	3,246
Account advisory and management fees [Member]
Schedule of Total Revenue Disaggregated by Revenue Type [Line Items]
Total revenue disaggregated	269	638	555	1,409
Carried interest fees [Member]
Schedule of Total Revenue Disaggregated by Revenue Type [Line Items]
Total revenue disaggregated	8,704		19,204
Other [Member]
Schedule of Total Revenue Disaggregated by Revenue Type [Line Items]
Total revenue disaggregated	$ 222	$ 273	$ 869	$ 569

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