Discontinued Operations Discontinued Operations (Earnings Per Share) (Footnotes) (Details) - shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incremental common shares attributable to share-based payment arrangements	3,217
Employee Stock Option
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incremental common shares attributable to share-based payment arrangements	40,000
Common Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount		125,000