Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended			36 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Tax Cuts and Jobs Act, income tax expense	$ 5,476	$ 0	$ 0
Cumulative pre-tax income (loss) from continuing operations	1,944	(2,774)	3,668	$ 2,838
Net operating losses	6,480
Deferred tax benefit to reverse valuation allowance	(357)	(47)	(315)
Work Opportunity Tax Credit
Income Tax Disclosure [Line Items]
Employment tax credit	210	$ 550	$ 737
IRS
Income Tax Disclosure [Line Items]
Operating loss carryforwards limited by change in ownership provisions	$ 1,614