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v3.20.2

Consolidation - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Variable Interest Entities [Line Items] |  |  |  |  |
Fee waivers | $ 184,900,000 | $ 101,700,000 | $ 315,400,000 | $ 200,500,000 |
VIE |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Investment redeemed | 6,000,000.0 |  |  |  |
AUM | 272,700,000 |  | 272,700,000 |  | $ 9,600,000,000
VIE | Other Long-Term Assets |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Maximum risk of loss from non-consolidated VIEs | 5,000,000.0 |  | 5,000,000.0 |  |
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 | 300,000 |  | 300,000 |  | $ 15,400,000
Financial Support, Fee Waivers |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Money market funds which meet the scope exception of the consolidation guidance | 141,600,000 | 73,700,000 | 241,700,000 | 141,800,000 |
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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