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Other Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2020 | Jun. 30, 2021
NAV of investments at fair value |  |
Unfunded Commitments | $ 122.2 | $ 128.5
Life of funds (generally up to) |  | 15 years
Investment without a readily determinable fair value | 13.8 | $ 13.8
Investment without a readily determinable fair value, upward price adjustment | 5.3 |
Private equity funds |  |
NAV of investments at fair value |  |
Unfunded Commitments | 122.2 | 128.5
Investments in other strategies |  |
NAV of investments at fair value |  |
Unfunded Commitments | 0.0 | 0.0
Fair Value Measured at NAV |  |
NAV of investments at fair value |  |
Fair Value | 243.4 | 298.3
Fair Value Measured at NAV | Controlling Interest |  |
NAV of investments at fair value |  |
Fair Value | 164.4 | 202.3
Fair Value Measured at NAV | Private equity funds |  |
NAV of investments at fair value |  |
Fair Value | 235.4 | 281.2
Fair Value Measured at NAV | Investments in other strategies |  |
NAV of investments at fair value |  |
Fair Value | $ 8.0 | $ 17.1

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