Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income tax expense	$ 1,685	$ 728	$ 2,323	$ 1,253
Pre-tax income	$ 11,249	$ 6,162	$ 15,577	$ 4,829
Effective income tax rate (percent)	15.00%	11.80%	14.90%	25.90%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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