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Consolidation - Assets Related to Consolidated Sponsored Investment Products, Unobservable Input Reconciliation (Details) - Consolidated Investment Products - Debt investments - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | $ 3,157 | $ 54,182
Purchases | 4,118 | 10,708
Sales | (18,076) | (41,362)
Amortization | 107 | 98
Change in unrealized gains (losses), net | (958) | 2,203
Realized gains (loss), net | (585) | (301)
Transfers to Level 2 | (87,458) | (85,551)
Transfers from Level 2 | 143,276 | 63,180
Balance at end of period | $ 43,581 | $ 3,157

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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