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Income Taxes Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Income Tax Examination [Line Items] |  |  |  |
Discrete tax benefit | $ 10.1 |  |  |
Effective income tax rate reconciliation, percent | 902.00% | 32.00% | (39.00%) | 0.00%
Effective income tax rate reconciliation, at federal statutory income tax rate, percent | 21.00% | 21.00% | 21.00% | 21.00%

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