Discontinued Operations (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Possible indemnification exposure, maximum	$ 25,000
Deferred income tax asset and other current assets	5,067		$ 662
Loss from discontinued operations, net of tax	2,417	$ (58)
Proceeds from Legal Settlements	$ 4,500