Consolidated Company-Sponsored Investment Funds - Summary of Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - VIEs	$ 12,747	$ 12,985
Derivatives	17,731	17,615
Total liabilities measured at fair value	26,420	26,220
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - VIEs	470	832
Total assets measured at fair value	210,618	330,081
Derivatives	1,728	366
Total liabilities measured at fair value	1,728	366
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - VIEs	12,277	12,153
Total assets measured at fair value	295,545	577,321
Derivatives	16,003	17,249
Total liabilities measured at fair value	16,003	17,249
Company-Sponsored Investment Funds | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	453,471	340,611
Total liabilities measured at fair value	21,819	20,084
Company-Sponsored Investment Funds | Level 1 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	41,516	22,772
Total liabilities measured at fair value	141	112
Company-Sponsored Investment Funds | Level 2 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	411,955	317,839
Total liabilities measured at fair value	21,678	19,972
VIEs | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments - VIEs	405,249	294,035
Derivatives - VIEs	22,376	20,077
Derivatives	21,819	20,084
VIEs | Level 1 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments - VIEs	40,780	22,477
Derivatives - VIEs	401	70
Derivatives	141	112
VIEs | Level 2 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments - VIEs	364,469	271,558
Derivatives - VIEs	21,975	20,007
Derivatives	21,678	19,972
VOEs | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments - VIEs	25,846	26,499
VOEs | Level 1 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments - VIEs	335	225
VOEs | Level 2 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments - VIEs	$ 25,511	$ 26,274