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Revenues from Contracts with Customers - Summary of Geographic Distribution of Revenue (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Revenues | $ 77,603 | $ 58,126 | $ 150,433 | $ 122,000
UNITED STATES |  |  |  |
Revenues | 44,522 | 31,629 | 85,221 | 71,499
JERSEY |  |  |  |
Revenues | 30,640 | 25,641 | 60,630 | 48,166
IRELAND |  |  |  |
Revenues | $ 2,441 | $ 856 | $ 4,582 | 1,970
CANADA |  |  |  |
Revenues |  |  |  | $ 365

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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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