Related Party Transactions - Loans, Forgivable Loans and Other Receivables from Employees and Partners, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Loans, forgivable loans and other receivables from employees and partners, net	$ 367,805	$ 319,612
Related Party
Related Party Transaction [Line Items]
Loans, forgivable loans and other receivables from employees and partners, net	367,800	319,600
Compensation expense related to employee loans	51,300	49,500	$ 217,700
Interest income	$ 15,100	$ 7,500	$ 10,000