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Compensation and Benefits - Change in Value of Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Schedule of Investments [Line Items]
Compensation and benefits	$ 7,277	$ 4,596	$ 19,714	$ 9,187
Variable Interest Entity, Primary Beneficiary
Schedule of Investments [Line Items]
Net investment gain (loss) of nonconsolidated investment products	8,738	23,165	38,506	45,636
Long-Term Cash Awards | Compensation and benefits
Schedule of Investments [Line Items]
Compensation and benefits	7,277	4,596		9,187
Long-Term Cash Awards | Net investment gain (loss) of nonconsolidated investment products
Schedule of Investments [Line Items]
Net investment gain (loss) of nonconsolidated investment products	9,407	8,800	27,403	17,828
Long-Term Cash Awards | Net investment gain (loss) of nonconsolidated investment products | Variable Interest Entity, Primary Beneficiary
Schedule of Investments [Line Items]
Net investment gain (loss) of nonconsolidated investment products	$ 645	$ 848	$ 3,625	$ 1,970

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Long-term Incentive Compensation Expense, Impact of Change in Value of Investments

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

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Reference 64: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 19
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-19

Reference 65: http://www.xbrl.org/2003/role/disclosureRef
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-Section S99
-Paragraph 19
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