Quarterly report [Sections 13 or 15(d)]

Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details)

v3.25.1
Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information [Line Items]    
Net commissions and fees $ 676,128 $ 537,887
Fiduciary investment income 14,038 14,159
Total revenue 690,166 552,046
General and administrative 106,060 75,867
Change in contingent consideration (14,042) (65)
Income from equity method investment in related party (4,937) (5,606)
Income tax expense 55,430 6,426
Other non-operating loss (income) (377) 1,752
NET INCOME (LOSS) (4,389) 40,677
Operating And Reporting Segment    
Segment Reporting Information [Line Items]    
Net commissions and fees 676,128 537,887
Fiduciary investment income 14,038 14,159
Total revenue 690,166 552,046
Compensation-related expense 397,428 330,022
General and administrative 92,237 64,802
Other segment items 46,684 54,570
Depreciation and amortization 67,624 30,068
Change in contingent consideration (14,042) (65)
Interest income (3,103) (7,995)
Interest expense 57,611 37,395
Income from equity method investment in related party (4,937) (5,606)
Income tax expense 55,430 6,426
Other non-operating loss (income) $ (377) $ 1,752