Consolidated Company-Sponsored Investment Funds - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) investment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Cash collateral payable to trade counterparties	$ 8,400	$ 2,900
Cash collateral received	4,200	5,600
Net assets			$ 68,900,000
Maximum risk of loss in investment in VIEs	5,700		8,800
Institutional investment advisory and services fees receivable	$ 127,040	185,653
Seed capital
Derivative [Line Items]
Number of deconsolidated funds | investment	5
Investment owned at fair value, deconsolidated amount		61,800
Variable Interest Entity, Primary Beneficiary
Derivative [Line Items]
Futures, forwards and swaps held	$ 14,000	12,500
Gains (losses) on derivatives	(9,400)	(700)
Cash collateral payable to trade counterparties	2,731	904
Cash collateral received	5,400	$ 1,800
Variable Interest Entity, Not Primary Beneficiary
Derivative [Line Items]
Net assets	46,400,000
Institutional investment advisory and services fees receivable	$ 54,200		$ 75,700