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Segment Operating Results - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
segment
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Segment Reporting Information [Line Items]      
Number of reporting segments | segment 2    
Technology and Information Services $ 146,222 $ 120,995 $ 106,663
Professional Fees 103,044 96,205 73,741
Investment Banking & Equities      
Segment Reporting Information [Line Items]      
Technology and Information Services 141,413 117,091 103,083
Professional Fees 98,531 91,861 69,953
Investment Management      
Segment Reporting Information [Line Items]      
Technology and Information Services 4,809 3,904 3,580
Professional Fees $ 4,513 4,344 3,788
Revision of Prior Period, Reclassification, Adjustment      
Segment Reporting Information [Line Items]      
Technology and Information Services   39,521 35,060
Professional Fees   (39,521) (35,060)
Revision of Prior Period, Reclassification, Adjustment | Investment Banking & Equities      
Segment Reporting Information [Line Items]      
Technology and Information Services   38,536 34,146
Professional Fees   (38,536) (34,146)
Revision of Prior Period, Reclassification, Adjustment | Investment Management      
Segment Reporting Information [Line Items]      
Technology and Information Services   985 914
Professional Fees   $ (985) $ (914)