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v3.20.2

Consolidation - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Variable Interest Entities [Line Items] |  |  |  |  |  |
Fee waivers | $ 174,600,000 |  | $ 110,200,000 | $ 490,000,000.0 | $ 310,700,000 |
VIE |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Investment redeemed |  | $ 6,000,000.0 |  |  |  |
AUM | 303,600,000 |  |  | 303,600,000 |  | $ 9,600,000,000
VIE | Other Long-Term Assets |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Maximum risk of loss from non-consolidated VIEs | 7,700,000 |  |  | 7,700,000 |  |
VIE | Cash and Cash Equivalents |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Maximum risk of loss from non-consolidated VIEs |  |  |  |  |  | 111,900,000
VIE | Receivables - Affiliates |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Maximum risk of loss from non-consolidated VIEs | 700,000 |  |  | 700,000 |  | $ 15,400,000
Financial Support, Fee Waivers |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Money market funds which meet the scope exception of the consolidation guidance | 145,100,000 |  | 81,500,000 | 386,800,000 | 223,300,000 |
Financial Support, Capital Contributions |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Money market funds which meet the scope exception of the consolidation guidance | $ 0 |  | $ 0 | $ 0 | $ 0 |

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