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Investment Securities - Investments In Private Equity Funds Subject to Lock-Up Periods (Details) - Private equity funds $ in Millions | Mar. 31, 2021 USD ($)
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Debt and Equity Securities, FV-NI [Line Items] |
Fair Value | $ 121.5
1 – 3 years |
Debt and Equity Securities, FV-NI [Line Items] |
Fair Value | 6.8
3 – 5 years |
Debt and Equity Securities, FV-NI [Line Items] |
Fair Value | 27.0
5 – 10 years |
Debt and Equity Securities, FV-NI [Line Items] |
Fair Value | 74.5
Greater than 10 years |
Debt and Equity Securities, FV-NI [Line Items] |
Fair Value | $ 13.2

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