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Compensation and Benefits - Change in Value of Investments (Details) - Long-Term Cash Awards - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Compensation and benefits
Schedule of Investments [Line Items]
Compensation and benefits	$ (1,230)	$ (1,490)	$ 1,216	$ (4,138)
Other net investment gain (loss)
Schedule of Investments [Line Items]
Other net investment gain (loss)	$ (4,454)	$ (3,987)	$ 6,127	$ (19,192)

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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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