Stock-Based Compensation (Granted Stock Optoins And Restricted Stock Awards) (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 34,491    
Non-Qualified Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 11,846 9,713 11,899
Incentive stock options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 22,645 13,495 15,850
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted 9,840 8,480 11,290