Investments of Operating Entities and Consolidated Funds - Operating Entities - Gross Obligations For Securities Loaned And Securities Sold Under Agreements To Repurchase (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	$ 1,199,838	$ 1,586,572
Securities Purchased under Agreements to Resell	121,718	0
Securities sold, not yet purchased, at fair value	913,574	1,201,448
Common Stock
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	992,173	1,570,835
Securities sold, not yet purchased, at fair value		63,469
Common Stock | Open and Overnight
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	992,173	1,570,835
Securities sold, not yet purchased, at fair value		0
Common Stock | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	0	0
Securities sold, not yet purchased, at fair value		20,906
Common Stock | 31 - 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	0	0
Securities sold, not yet purchased, at fair value		42,563
Common Stock | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	0	0
Securities sold, not yet purchased, at fair value		0
Corporate Bonds
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	207,665	15,737
Securities Purchased under Agreements to Resell	121,718
Securities sold, not yet purchased, at fair value	133,130
Corporate Bonds | Open and Overnight
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	207,665	15,737
Securities Purchased under Agreements to Resell	121,718
Securities sold, not yet purchased, at fair value	72,474
Corporate Bonds | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	0	0
Securities Purchased under Agreements to Resell	0
Securities sold, not yet purchased, at fair value	60,656
Corporate Bonds | 31 - 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	0	0
Securities Purchased under Agreements to Resell	0
Securities sold, not yet purchased, at fair value	0
Corporate Bonds | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Common stock	0	$ 0
Securities Purchased under Agreements to Resell	0
Securities sold, not yet purchased, at fair value	$ 0