Earnings Per Share (Narrative) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Increase in number of shares to diluted shares calculation if income from continuing operations would have been generated	148,768	445,732	147,618	225,334