Related Party Transactions - Loans, Forgivable Loans and Other Receivables from Employees and Partners, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Loans, forgivable loans and other receivables from employees and partners, net	$ 325,823		$ 325,823		$ 319,612
Related Party
Related Party Transaction [Line Items]
Loans, forgivable loans and other receivables from employees and partners, net	325,800		325,800		$ 319,600
Compensation expense related to employee loans	11,600	$ 14,500	25,500	$ 24,400
Interest income	$ 2,100	$ 2,300	$ 3,900	$ 3,500