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Basis of Presentation and Summary of Significant Accounting Policies Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	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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