Investments Of Operating Entities And Consolidated Funds - Operating Entities - Other Investments (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
Investment Holdings [Line Items]
Other investments		$ 262,431	$ 255,027
Portfolio Funds
Investment Holdings [Line Items]
Other investments	[1]	138,023	133,454
Carried interest
Investment Holdings [Line Items]
Other investments	[1]	84,312	82,892
Equity Method Investments
Investment Holdings [Line Items]
Other investments	[1]	$ 40,096	$ 38,681

[1] In accordance with US GAAP, portfolio funds are measured at fair value using the net asset value per share (or its equivalent) as a practical expedient are not classified in the fair value hierarchy. Carried interest and equity method investments presented in the table above are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the condensed consolidated statement of financial condition.