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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 | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Share-based incentive awards: |  |  |  |
Share-based incentive awards | $ 74,916 | $ 51,892 | $ 201,102 | $ 195,779
RSUs [Member] |  |  |  |
Share-based incentive awards: |  |  |  |
Share-based incentive awards | 37,061 | 30,780 | 98,012 | 101,687
PRSUs [Member] |  |  |  |
Share-based incentive awards: |  |  |  |
Share-based incentive awards | 498 | 157 | 1,387 | 5,871
Restricted Stock [Member] |  |  |  |
Share-based incentive awards: |  |  |  |
Share-based incentive awards | 6,420 | 2,826 | 19,197 | 14,592
Profits Interest Participation Rights [Member] |  |  |  |
Share-based incentive awards: |  |  |  |
Share-based incentive awards | 30,762 | 17,980 | 80,454 | 71,662
DSUs [Member] |  |  |  |
Share-based incentive awards: |  |  |  |
Share-based incentive awards | $ 175 | $ 149 | $ 2,052 | $ 1,967

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