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Compensation - Compensation Expense Related to Class A Common Stock (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Allocation of net income and dividend equivalents | $ 0 | $ 0 | $ 0 | $ 156
LPU amortization | 0 | 0 | 0 | 40,878
RSU, RSU Tax Account, and restricted stock amortization | 29,925 | 36,568 | 70,621 | 46,786
Equity-based compensation and allocations of net income to limited partnership units and FPUs | 85,690 | 69,268 | 247,978 | 277,285
LPUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Issuance of common stock and grants of exchangeability | 37,928 | 242 | 101,703 | 154,146
Class A Common Stock | LPUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Issuance of common stock and grants of exchangeability | 37,928 | 242 | 101,703 | 154,146
Allocation of net income and dividend equivalents | 1,286 | 1,137 | 3,624 | 4,154
LPU amortization | 0 | 0 | 0 | 40,878
RSU, RSU Tax Account, and restricted stock amortization | 46,476 | 67,889 | 142,651 | 78,107
Equity-based compensation and allocations of net income to limited partnership units and FPUs | $ 85,690 | $ 69,268 | $ 247,978 | $ 277,285

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