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Related Party Transactions - Loans, Forgivable Loans and Other Receivables from Employees and Partners, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Related Party Transaction [Line Items] |  |  |  |  |
Loans, forgivable loans and other receivables from employees and partners, net | $ 479,716 |  | $ 479,716 |  | $ 360,060
Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Loans, forgivable loans and other receivables from employees and partners, net | 479,700 |  | 479,700 |  | $ 360,100
Compensation expense related to employee loans | 24,900 | $ 15,400 | 61,100 | $ 44,800 |
Interest income | $ 4,500 | $ 4,400 | $ 12,500 | $ 10,200 |

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