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Income Taxes (Income Tax Expense Allocation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Income tax expense $ 10,006 $ 9,945 $ 12,210
Shareholder’s equity $ (3,156) $ 3,909 $ (1,649)