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Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Income Taxes [Abstract]        
Income tax expense (benefit) $ 987 $ (406) $ 1,584 $ 29
Pre-tax income $ 5,313 $ 7,213 $ 8,133 $ 9,145
Effective tax rate     19.50% 0.30%
U.S. Federal income tax statutory rate     34.00%