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Income Taxes (Components of Income (Loss) before Taxes from Continuing Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Domestic $ 108,930 $ 78,351 $ 70,783
Foreign (1,171) (270) (3,660)
Income before taxes $ 107,759 $ 78,081 $ 67,123