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Revenues from contracts with customers (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | $ 238,633 | $ 320,472 | $ 498,819 | $ 670,641
Interest | 11,789 | 8,909 | 21,306 | 17,575
Principal transactions, net | 1,258 | 6,305 | 3,622 | 17,170
Other | (14,458) | 4,607 | (20,497) | 8,189
Total other sources of revenue | (1,411) | 19,821 | 4,431 | 42,934
Total revenue | 237,222 | 340,293 | 503,250 | 713,575
Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 151,012 | 153,557 | 301,747 | 307,045
Interest | 10,369 | 7,235 | 18,517 | 13,711
Principal transactions, net | (2,233) | 1,546 | (4,166) | 2,176
Other | (14,677) | 4,525 | (20,780) | 7,954
Total other sources of revenue | (6,541) | 13,306 | (6,429) | 23,841
Total revenue | 144,471 | 166,863 | 295,318 | 330,886
Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 24,311 | 25,541 | 51,424 | 49,768
Interest |  | 0 | 0 | 0
Principal transactions, net |  | 0 | 0 | 0
Other | 4 | 3 | 8 | 6
Total other sources of revenue | 4 | 3 | 8 | 6
Total revenue | 24,315 | 25,544 | 51,432 | 49,774
Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 63,199 | 141,333 | 145,404 | 313,688
Interest | 1,392 | 1,666 | 2,685 | 3,818
Principal transactions, net | 6,564 | 4,878 | 8,080 | 13,832
Other | 119 | 68 | 156 | 206
Total other sources of revenue | 8,075 | 6,612 | 10,921 | 17,856
Total revenue | 71,274 | 147,945 | 156,325 | 331,544
Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 111 | 41 | 244 | 140
Interest | 28 | 8 | 104 | 46
Principal transactions, net | (3,073) | (119) | (292) | 1,162
Other | 96 | 11 | 119 | 23
Total other sources of revenue | (2,949) | (100) | (69) | 1,231
Total revenue | (2,838) | (59) | $ 175 | 1,371
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 | 86,539 | 86,921 | $ 176,541 | 191,116
Commissions from sales and trading | Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 38,108 | 44,510 | 81,463 | 92,908
Commissions from sales and trading | Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers |  | 0 | 0 | 0
Commissions from sales and trading | Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 48,425 | 42,407 | 95,061 | 98,207
Commissions from sales and trading | Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 6 | 4 | $ 17 | 1
Mutual fund and insurance income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue settlement period (in days) |  |  | 90 days |
Revenues from contracts with customers | 7,839 | 9,250 | $ 16,158 | 18,526
Mutual fund and insurance income | Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 7,808 | 9,243 | 16,130 | 18,441
Mutual fund and insurance income | Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers |  | 0 | 0 | 0
Mutual fund and insurance income | Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 1 | 2 | 6 | 4
Mutual fund and insurance income | Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 30 | 5 | $ 22 | 81
Advisory fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue settlement period (in days) |  |  | 90 days |
Revenues from contracts with customers | 107,405 | 111,152 | $ 223,171 | 215,648
Advisory fees | Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 83,085 | 85,598 | 171,613 | 165,852
Advisory fees | Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 24,311 | 25,541 | 51,424 | 49,768
Advisory fees | Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 0 | 0 | 117 | 3
Advisory fees | Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 9 | 13 | $ 17 | 25
Investment banking - capital markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue settlement period (in days) |  |  | 90 days |
Revenues from contracts with customers | 8,369 | 53,978 | $ 24,899 | 142,557
Investment banking - capital markets | Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 2,359 | 5,770 | 5,665 | 14,280
Investment banking - capital markets | Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers |  | 0 | 0 | 0
Investment banking - capital markets | Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 6,010 | 48,208 | 19,234 | 128,277
Investment banking - capital markets | Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 0 | 0 | 0 | 0
Investment banking - advisory |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 8,284 | 50,764 | 30,224 | 86,686
Investment banking - advisory | Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 0 | 250 | 35 | 250
Investment banking - advisory | Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers |  | 0 | 0 | 0
Investment banking - advisory | Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 8,284 | 50,514 | 30,189 | 86,436
Investment banking - advisory | Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 0 | 0 | $ 0 | 0
Bank deposit sweep income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue settlement period (in days) |  |  | 30 days |
Revenues from contracts with customers | 14,845 | 3,712 | $ 19,199 | 7,720
Bank deposit sweep income | Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 14,845 | 3,712 | 19,199 | 7,720
Bank deposit sweep income | Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers |  | 0 | 0 | 0
Bank deposit sweep income | Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 0 | 0 | 0 | 0
Bank deposit sweep income | Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 0 | 0 | 0 | 0
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 5,352 | 4,695 | 8,627 | 8,388
Other | Private Client |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 4,807 | 4,474 | 7,642 | 7,594
Other | Asset Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 0 | 0 | 0 | 0
Other | Capital Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | 479 | 202 | 797 | 761
Other | Corporate/Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues from contracts with customers | $ 66 | $ 19 | $ 188 | $ 33

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