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Revenue Recognition Contract Assets and Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2018
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalized Contract Cost, Gross |  | $ 1,400 |  |  |  | $ 1,600 |  |  |  | $ 1,400 | $ 1,600 |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 934,822 | 891,586 |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 28,888 |  |  |  |  |  |  |  | 28,888 |  |  | $ 23,680
Interest |  |  |  |  |  |  |  |  |  | 50,723 | 52,484 | $ 48,498 |
Principal transactions, net |  |  |  |  |  |  |  |  |  | (30,094) | (14,461) | (23,273) |
Revenues, Excluding Revenue From Contract With Customers, Other |  |  |  |  |  |  |  |  |  | 17,740 | (377) |  |
Revenues, Excluding Revenue From Contract With Customers |  |  |  |  |  |  |  |  |  | 98,557 | 66,568 |  |
Revenue |  | 295,881 | $ 234,793 | $ 250,935 | $ 251,770 | $ 243,254 | $ 237,814 | $ 242,556 | $ 234,530 | 1,033,379 | 958,154 | 920,338 |
Commission [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 2,824 |  |  |  |  |  |  |  | 2,824 |  |  | 3,738
Mutual Fund Income [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 6,746 |  |  |  |  |  |  |  | 6,746 |  |  | 7,241
Advisory Fees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 1,594 |  |  |  |  |  |  |  | 1,594 |  |  | 1,214
Bank Deposit Sweep Income [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 3,454 |  |  |  |  |  |  |  | 3,454 |  |  | 4,622
Investment Banking Fees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 9,284 |  |  |  |  |  |  |  | 9,284 |  |  | 3,996
Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 4,986 |  |  |  |  |  |  |  | 4,986 |  |  | 2,869
Investment Banking Fees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability |  | $ 408 |  |  |  |  |  |  |  | 408 |  |  | $ 318
Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 88,753 | 71,696 |  |
Interest |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Principal transactions, net |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Revenues, Excluding Revenue From Contract With Customers, Other |  |  |  |  |  |  |  |  |  | 2 | 0 |  |
Revenues, Excluding Revenue From Contract With Customers |  |  |  |  |  |  |  |  |  | 2 | 0 |  |
Revenue | [1] |  |  |  |  |  |  |  |  | 88,755 | 71,696 | 89,896 |
Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 245,789 | 235,158 |  |
Interest |  |  |  |  |  |  |  |  |  | 13,302 | 13,739 |  |
Principal transactions, net |  |  |  |  |  |  |  |  |  | (31,621) | (23,378) |  |
Revenues, Excluding Revenue From Contract With Customers, Other |  |  |  |  |  |  |  |  |  | 118 | 444 |  |
Revenues, Excluding Revenue From Contract With Customers |  |  |  |  |  |  |  |  |  | 45,041 | 37,561 |  |
Revenue |  |  |  |  |  |  |  |  |  | 290,830 | 272,719 | 231,632 |
Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 2,517 | 496 |  |
Interest |  |  |  |  |  |  |  |  |  | 1,612 | 1,164 |  |
Principal transactions, net |  |  |  |  |  |  |  |  |  | 4,868 | (7,792) |  |
Revenues, Excluding Revenue From Contract With Customers, Other |  |  |  |  |  |  |  |  |  | 1,124 | 2,000 |  |
Revenues, Excluding Revenue From Contract With Customers |  |  |  |  |  |  |  |  |  | (2,132) | (4,628) |  |
Revenue |  |  |  |  |  |  |  |  |  | 385 | (4,132) | 6,057 |
Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 597,763 | 584,236 |  |
Interest |  |  |  |  |  |  |  |  |  | 35,809 | 37,581 |  |
Principal transactions, net |  |  |  |  |  |  |  |  |  | (3,341) | 1,125 |  |
Revenues, Excluding Revenue From Contract With Customers, Other |  |  |  |  |  |  |  |  |  | 16,496 | (2,821) |  |
Revenues, Excluding Revenue From Contract With Customers |  |  |  |  |  |  |  |  |  | 55,646 | 33,635 |  |
Revenue | [1] |  |  |  |  |  |  |  |  | 653,409 | 617,871 | $ 592,753 |
Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 17,404 | 16,164 |  |
Other [Member] | Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 5 | 13 |  |
Other [Member] | Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 1,713 | 1,054 |  |
Other [Member] | Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 2,398 | 352 |  |
Other [Member] | Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 13,288 | 14,745 |  |
Investment Banking, Capital Markets [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 72,779 | 69,758 |  |
Investment Banking, Capital Markets [Member] | Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Investment Banking, Capital Markets [Member] | Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 59,251 | 56,474 |  |
Investment Banking, Capital Markets [Member] | Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Investment Banking, Capital Markets [Member] | Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 13,528 | 13,284 |  |
Advisory Fees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 353,671 | 314,349 |  |
Advisory Fees [Member] | Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 88,748 | 70,775 |  |
Advisory Fees [Member] | Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 10 | 67 |  |
Advisory Fees [Member] | Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 74 | 33 |  |
Advisory Fees [Member] | Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 264,839 | 243,474 |  |
Mutual Fund Income [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 40,045 | 43,457 |  |
Mutual Fund Income [Member] | Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 908 |  |
Mutual Fund Income [Member] | Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 3 | 13 |  |
Mutual Fund Income [Member] | Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 17 | 22 |  |
Mutual Fund Income [Member] | Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 40,025 | 42,514 |  |
Investment Banking, Advisory [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 53,432 | 45,595 |  |
Investment Banking, Advisory [Member] | Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Investment Banking, Advisory [Member] | Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 53,432 | 45,595 |  |
Investment Banking, Advisory [Member] | Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Investment Banking, Advisory [Member] | Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Bank Deposit Sweep Income [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 117,422 | 116,052 |  |
Bank Deposit Sweep Income [Member] | Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Bank Deposit Sweep Income [Member] | Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Bank Deposit Sweep Income [Member] | Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Bank Deposit Sweep Income [Member] | Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 117,422 | 116,052 |  |
Commissions From Sales And Trading [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 280,069 | 286,211 |  |
Commissions From Sales And Trading [Member] | Asset Management |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Commissions From Sales And Trading [Member] | Capital markets |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 131,380 | 131,955 |  |
Commissions From Sales And Trading [Member] | Corporate/Other |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | 28 | 89 |  |
Commissions From Sales And Trading [Member] | Private Client Division |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts with Customers Assets and Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  |  |  |  |  |  | $ 148,661 | $ 154,167 |  |
[1] | (1) Clients investing in the OAM advisory program are charged fees based on the value of AUM. Advisory fees were allocated 10.0% to the Asset Management and 90.0% to the Private Client segments.

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