Revenues from Contracts with Customers - Summary of Geographic Distribution of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Revenues	$ 72,830	$ 63,874
UNITED STATES
Revenues	40,699	39,870
JERSEY
Revenues	29,990	22,525
IRELAND
Revenues	$ 2,141	1,114
CANADA
Revenues		$ 365

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.

No definition available.

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