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Income Tax Income Tax (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Tax [Abstract]        
Increase (Decrease) in Deferred Income Taxes     $ (3,252) $ (830)
Income Tax Expense (Benefit) $ 1,521 $ (1,531) $ 3,703 $ 436
Effective income tax rate     26.60% 10.80%
Income Taxes Paid     $ 458 $ 1,135