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Investment Securities - Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Investments, Debt and Equity Securities [Abstract]
Unrealized gain (loss) on investment securities held at the end of the period	$ (13,542)	$ 3,988	$ (17,470)	$ 4,007
Consolidated Entity Excluding Variable Interest Entities (VIE)
Marketable Securities [Line Items]
Net investment gain (loss)	(13,414)	3,934	(18,166)	4,131
Seed Investments
Marketable Securities [Line Items]
Net investment gain (loss)	(1,298)	1,378	(2,936)	1,855
Long-Term Cash Awards
Marketable Securities [Line Items]
Net investment gain (loss)	(12,244)	2,578	(15,205)	2,473
Other
Marketable Securities [Line Items]
Net investment gain (loss)	$ 128	$ (22)	$ (25)	$ (197)

X

- Definition

Amount of realized and unrealized gain (loss) on investment.

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Amount of unrealized gain (loss) on investment.

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