Investments Of Operating Entities And Consolidated Funds - Operating Entities - Gross And Net Derivative Positions And The Related Offsetting Amount (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Receivable on derivative contracts, at fair value		$ 342,712	$ 286,135
Payable for derivative contracts, at fair value		46,814	60,163
Receivable on derivatives contracts, at fair value [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset		458,624	367,877
Derivative Asset, Fair Value, Amount Offset Against Collateral	[1],[2]	115,912	81,742
Receivable on derivative contracts, at fair value		342,712	286,135
Financial Instruments, Owned and Pledged as Collateral, at Fair Value	[2]	1,431	1,421
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	[2]	256,061	211,442
Derivative asset, net of offset		85,220	73,272
Payable for derivatives contracts, at fair value [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability		178,616	152,493
Derivative Liability, Fair Value, Amount Offset Against Collateral	[1],[2]	131,802	92,330
Payable for derivative contracts, at fair value		46,814	60,163
Financial Instruments, Owned and Pledged as Collateral, at Fair Value	[2]	2,840	2,839
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	[2]	0	0
Derivative Liability, net of offset		$ 43,974	$ 57,324

[1] Derivatives are reported on a net basis, by counterparty, when a legal right of offset exists under an enforceable netting agreement as well as net of cash collateral received or posted under enforceable credit support agreements. See Note 2f for further information on offsetting of derivative financial instruments.

[2] Includes financial instruments subject to enforceable master netting provisions that are permitted to be offset to the extent an event of default has occurred