Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Schedule Of Changes In Number Of Outstanding Stock Options Under Director Plan And Stock Plan) (Details)

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Stock-Based Compensation (Schedule Of Changes In Number Of Outstanding Stock Options Under Director Plan And Stock Plan) (Details) (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Stock-Based Compensation [Abstract]    
Options, Outstanding 309,439  
Options, Awarded 317,722  
Options, Exercised (12,000)  
Options, Forfeited (74,757)  
Options, Outstanding 540,404 309,439
Options, Exercisable 214,233  
Options, Expected to vest 540,404  
Weighted average exercise price per share, Outstanding $ 11.66  
Weighted average exercise price per share, Awarded $ 12.30  
Weighted average exercise price per share, Exercised $ 8.28  
Weighted average exercise price per share, Forfeited $ 13.05  
Weighted average exercise price per share, Outstanding $ 11.90 $ 11.66
Weighted average exercise price per share, Exercisable $ 11.91  
Weighted average exercise price per share, Expected to vest $ 11.90  
Options, Outstanding - Weighted average remaining contractual term 5 years 4 months 17 days 4 years 1 month 17 days
Options, Exercisable - Weighted average remaining contractual term 3 years 3 months 29 days  
Options, Expected to vest - Weighted average remaining contractual term 5 years 4 months 17 days