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v3.20.2

Subsequent Events (Details) - Subsequent Event - USD ($) | Oct. 29, 2020 | Oct. 01, 2020 | Oct. 29, 2025
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One-time Termination Benefits [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Total restructuring charges, net |  | $ 14,000,000 |
Subordinated Debt [Member] | Four Percent Subordinated Debt, Due 2030 [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Face amount | $ 200,000,000.0 |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.00% |  | 3.625%
Debt Instrument, Redemption Price, Percentage | 100.00% |  |

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