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Incentive Plans - Summary of Impact of Share-Based Incentive Plans on Compensation and Benefits Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Share-based incentive awards: |  |
Share-based incentive awards | $ 70,534 | $ 53,437
RSUs [Member] |  |
Share-based incentive awards: |  |
Share-based incentive awards | 43,576 | 26,659
PRSUs [Member] |  |
Share-based incentive awards: |  |
Share-based incentive awards | 789 | 245
RSAs [Member] |  |
Share-based incentive awards: |  |
Share-based incentive awards | 6,926 | 4,936
Profits Interest Participation Rights [Member] |  |
Share-based incentive awards: |  |
Share-based incentive awards | 19,062 | 21,448
DSUs [Member] |  |
Share-based incentive awards: |  |
Share-based incentive awards | $ 181 | $ 149

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