Related Party Transactions - Loans, Forgivable Loans and Other Receivables from Employees and Partners (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Related Party Transaction
Loans, forgivable loans and other receivables from employees and partners, net	$ 900,339		$ 862,204
Labor and related expense	584,003	$ 473,858
Related Party
Related Party Transaction
Loans, forgivable loans and other receivables from employees and partners, net	900,300		$ 862,200
Related Party | Employee Loans, Compensation Expense
Related Party Transaction
Labor and related expense	$ 25,200	$ 25,500