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Income Taxes (United States And Foreign Components Of Income From Continuing Operations Before Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Abstract]      
U.S. $ 49,414 $ 88,284 $ 92,115
Foreign (653) (852) 486
Total $ 48,761 $ 87,432 $ 92,601