Consolidated Company-Sponsored Investment Funds - Offsetting of Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Derivative Asset [Abstract]
Cash Collateral Received	$ (8,400)	$ (2,900)
Derivative Liability [Abstract]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization	Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization
Variable Interest Entity, Primary Beneficiary
Derivative Asset [Abstract]
Gross Amounts of Recognized Assets	$ 7,552	$ 5,887
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Assets Presented in the Statement of Financial Condition	7,552	5,887
Financial Instruments	0	0
Cash Collateral Received	(2,731)	(904)
Net Amount	4,821	4,983
Derivative Liability [Abstract]
Gross Amounts of Recognized Liabilities	21,540	18,342
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	21,540	18,342
Financial Instruments	0	0
Cash Collateral Pledged	(5,444)	(1,824)
Net Amount	$ 16,096	$ 16,518