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Consolidation - Schedule of Assets Related to Consolidated Sponsored Investment Products, Unobservable Input Reconciliation (Details) - Debt investments - Consolidated Investment Products - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Assets |  |
Debt securities, beginning of period | $ 7,689 | $ 37,062
Realized and unrealized gains (losses), net | (1,722) | 629
Purchases | 2,377 | 31
Sales | (6,289) | (19,845)
Transfers to Level 2 | (19,286) | (54,857)
Transfers from Level 2 | 91,855 | 73,963
Debt securities, end of period | $ 74,624 | $ 36,983

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