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Revenues from Contracts with Customers - Summary of Geographic Distribution of Revenue (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Revenues | $ 63,874 | $ 65,485
UNITED STATES |  |
Revenues | 39,870 | 42,623
JERSEY |  |
Revenues | 22,525 | 21,161
IRELAND |  |
Revenues | 1,114 | 1,155
CANADA |  |
Revenues | $ 365 | $ 546

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- Definition Revenues from operations, excluding interest and dividend income. Includes revenues from the following sources: investment banking (underwriting and financial advisory), principal transactions (sales and trading, and investment gains and losses), commissions, asset management, and investment advisory and other services. + References No definition available. + Details
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