Stock-Based Compensation (Weighted Average Price And Weighted Average Remaining Contractual Life) (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding	184,497	207,303
Number Exercisable	141,147	122,253
Weighted Average Exercise Price	$ 15.86	$ 15.92
Remaining Contractual Life	1 year 11 months 5 days	2 years 7 months 13 days
Intrinsic Value	$ 1,193,000	$ 1,209,000
Range of Exercise Prices 6.93-10.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 6.93	$ 6.93
Range of Exercise Prices, Upper Limit	$ 10.99	$ 10.99
Number Outstanding	82,750	85,050
Number Exercisable	39,400
Weighted Average Exercise Price	$ 8.70	$ 8.65
Remaining Contractual Life	3 years 5 months 1 day	4 years 1 month 24 days
Intrinsic Value	1,055,000	1,029,000
Range of Exercise Prices 14.00-19.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 14.00	$ 14.00
Range of Exercise Prices, Upper Limit	$ 19.99	$ 19.99
Number Outstanding	34,895	55,401
Number Exercisable	34,895	55,401
Weighted Average Exercise Price	$ 17.51	$ 17.51
Remaining Contractual Life	1 year 2 months 19 days	1 year 11 months 19 days
Intrinsic Value	$ 138,000	$ 180,000
Range of Exercise Prices 20.00-22.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 20.00	$ 20.00
Range of Exercise Prices, Upper Limit	$ 22.99	$ 22.99
Number Outstanding	18,811	18,811
Number Exercisable	18,811	18,811
Weighted Average Exercise Price	$ 22.78	$ 22.78
Remaining Contractual Life	2 months 19 days	11 months 19 days
Range of Exercise Prices 23.00-24.27 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 23.00	$ 23.00
Range of Exercise Prices, Upper Limit	$ 24.27	$ 24.27
Number Outstanding	48,041	48,041
Number Exercisable	48,041	48,041
Weighted Average Exercise Price	$ 24.27	$ 24.27
Remaining Contractual Life	6 months 18 days	1 year 3 months 15 days