Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Fees receivable	$ 113,297		$ 113,297		$ 145,809
Due from related parties	22,384		22,384		31,449
Employees
Related Party Transaction [Line Items]
Redeemable non-controlling interests, Related Party	56,800		56,800		53,900
Net income (loss) attributable to redeemable non-controlling interests in consolidated subsidiaries and funds	(2,500)	$ (3,900)	25,700	$ 18,800
Affiliated Entity
Related Party Transaction [Line Items]
Fees receivable	11,700		11,700		16,600
Employee Loans
Related Party Transaction [Line Items]
Due from employees	12,800		12,800		8,800
Forgivable Loan Balances	7,300		7,300		3,800
Amortization on Forgivable Loans	1,300	$ 1,500	$ 3,200	$ 4,300
Employee Loans | Minimum
Related Party Transaction [Line Items]
Forgivable Loans, Vesting Period			1 year
Employee Loans | Maximum
Related Party Transaction [Line Items]
Forgivable Loans, Vesting Period			3 years
Other Funds
Related Party Transaction [Line Items]
Due from related parties	$ 9,500		$ 9,500		$ 22,600