Employee Benefit Plans (Restricted Shares Activity And Related Information) (Details) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 43.05	$ 37.57
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	161,331	140,719	142,469	116,711
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	25,062	32,083
Restricted Awards, Forfeited/Vested	(6,200)	(8,075)