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Consolidation - Assets Related to Consolidated Sponsored Investment Products, Unobservable Input Reconciliation (Details) - Debt investments - Consolidated Investment Products - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | $ 3,157 | $ 54,182
Realized gains (losses), net | 4 | 40
Change in unrealized gains (losses), net | (20) | 1,836
Purchases | 0 | 28
Amortization | 0 | 61
Sales | (4) | (9,040)
Transfers to Level 2 | (1,626) | (35,985)
Transfers from Level 2 | 40,802 | 16,444
Balance at end of period | $ 42,313 | $ 27,566

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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 http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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