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Income Taxes Income Taxes (Provision of Income Taxes from Continuing Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Current:      
U. S. federal provision $ 1,489 $ 6,425 $ 6,609
State provision 1,309 815 1,195
Total current provision 2,798 7,240 7,804
Deferred:      
U. S. federal provision (benefit) 2,831 (12,881) 3,475
State provision 992 1,230 1,381
Total deferred provision (benefit) 3,823 (11,651) 4,856
Total income tax provision (benefit) $ 6,621 $ (4,411) $ 12,660