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Investments in Affiliates and Affiliate Sponsored Investment Products - Affiliated Sponsored Investment Products (Details) - Affiliate sponsored investment products - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Variable Interest Entity [Line Items] |  |
Unconsolidated VIE Net Assets | $ 2,282.1 | $ 2,216.5
Carrying Value and Maximum Exposure to Loss | $ 0.9 | $ 1.1

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- Definition Net carrying amount of the assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), when the reporting entity is not the VIE's primary beneficiary. + References No definition available. + Details
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