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Revenues from contracts with customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 278,711 | $ 260,188
Interest | 24,941 | 9,517
Principal transactions, net | 13,490 | 2,364
Other | 4,537 | (6,041)
Total other sources of revenue | 42,968 | 5,840
Total revenue | 321,679 | 266,028
Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 177,908 | 150,736
Interest | 20,579 | 8,147
Principal transactions, net | 1,049 | (1,933)
Other | 3,885 | (6,103)
Total other sources of revenue | 25,513 | 111
Total revenue | 203,421 | 150,847
Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 23,954 | 27,113
Interest | 0 | 0
Principal transactions, net | 0 | 0
Other | 5 | 4
Total other sources of revenue | 5 | 4
Total revenue | 23,959 | 27,117
Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 76,735 | 82,205
Interest | 3,029 | 1,293
Principal transactions, net | 10,404 | 1,516
Other | 114 | 37
Total other sources of revenue | 13,547 | 2,846
Total revenue | 90,282 | 85,051
Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 114 | 134
Interest | 1,333 | 77
Principal transactions, net | 2,037 | 2,781
Other | 533 | 21
Total other sources of revenue | 3,903 | 2,879
Total revenue | $ 4,017 | 3,013
Commission From Equity Securities Transactions |  |
Disaggregation of Revenue [Line Items] |  |
Revenue settlement period (in days) | 2 days |
Commissions From Corporate Bond Transactions |  |
Disaggregation of Revenue [Line Items] |  |
Revenue settlement period (in days) | 1 day |
Commissions from sales and trading |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 78,977 | 90,002
Commissions from sales and trading | Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 38,924 | 43,355
Commissions from sales and trading | Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Commissions from sales and trading | Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 40,047 | 46,636
Commissions from sales and trading | Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 6 | 11
Mutual fund and insurance income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue settlement period (in days) | 90 days |
Revenues from contracts with customers | $ 7,720 | 8,319
Mutual fund and insurance income | Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 7,712 | 8,322
Mutual fund and insurance income | Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Mutual fund and insurance income | Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 4 | 5
Mutual fund and insurance income | Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 4 | (8)
Advisory fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue settlement period (in days) | 90 days |
Revenues from contracts with customers | $ 100,544 | 115,766
Advisory fees | Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 76,583 | 88,527
Advisory fees | Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 23,954 | 27,113
Advisory fees | Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 117
Advisory fees | Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 7 | 9
Investment banking - capital markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenue settlement period (in days) | 90 days |
Revenues from contracts with customers | $ 10,028 | 16,530
Investment banking - capital markets | Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 1,787 | 3,306
Investment banking - capital markets | Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Investment banking - capital markets | Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 8,241 | 13,224
Investment banking - capital markets | Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Investment banking - advisory |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 27,937 | 21,940
Investment banking - advisory | Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 35
Investment banking - advisory | Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Investment banking - advisory | Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 27,937 | 21,905
Investment banking - advisory | Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 0 | 0
Bank deposit sweep income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue settlement period (in days) | 30 days |
Revenues from contracts with customers | $ 48,909 | 4,354
Bank deposit sweep income | Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 48,909 | 4,354
Bank deposit sweep income | Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Bank deposit sweep income | Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 |
Bank deposit sweep income | Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 4,596 | 3,277
Other | Private Client |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 3,993 | 2,837
Other | Asset Management |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Other | Capital Markets |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 506 | 318
Other | Corporate/Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 97 | $ 122

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