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Investments - Gains and Losses Recognized in Gain (Loss) on Securities, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
(Loss) Gain on Securities [Line Items]
Net Unrealized Gains (Losses)			$ (35,425)	$ (27)
Gain (Loss) on Securities, net	$ (6,825)	$ (644)	(39,406)	6,980
Investments—Consolidated Investment Companies
(Loss) Gain on Securities [Line Items]
Net Unrealized Gains (Losses)	1,137	(391)	(16,446)	(1,197)
Net Realized Gains (Losses)	(4,568)	184	(6,047)	1,786
Gain (Loss) on Securities, net	(3,431)	(207)	(22,493)	589
Investments—Affiliates and Other
(Loss) Gain on Securities [Line Items]
Net Unrealized Gains (Losses)	(3,248)	(2,077)	(18,979)	1,170
Net Realized Gains (Losses)	(146)	1,640	2,066	5,221
Gain (Loss) on Securities, net	$ (3,394)	$ (437)	$ (16,913)	$ 6,391

X

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

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