Compensation and Benefits - Change in Value of Investments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Schedule of Investments [Line Items]
Compensation and benefits	$ 16,777	$ 9,925	$ 16,779	$ 12,437
Variable Interest Entity, Primary Beneficiary
Schedule of Investments [Line Items]
Net investment gain (loss) of nonconsolidated investment products	12,762	22,667	10,201	29,768
Long-Term Cash Awards \| Compensation and benefits
Schedule of Investments [Line Items]
Compensation and benefits	16,777	9,925	16,779	12,437
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	28,050	15,919	21,627	17,996
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	$ 2,220	$ 2,468	$ 2,348	$ 2,980

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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