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Basis of Presentation and Summary of Significant Accounting Policies Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Income (loss) before income taxes | $ 18,574 | $ (6,347)
Income Tax Expense (Benefit) | $ (5,758) | $ 2,136
Income taxes before discrete items | 31.00% | 33.60%
Total benefit for income taxes | $ 5,641 | $ (2,150)

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