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Stock-Based Compensation (Narrative) (Details) (USD $)
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock based compensation $ 147,000 $ 159,000  
Sale of stock, price per share (in dollars per share) $ 20.73   $ 20.71
Unrecognized stock compensation expense 657,000    
Option maximum term 10 years    
Aggregate intrinsic value exercisable 317,000   347,000
Restricted Stock and Units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock based compensation 147,000 159,000  
Restricted Stock and Units [Member] | Director [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock based compensation   $ 3,000  
Maximum [Member] | Restricted Stock and Units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee benefit plan vesting period 5 years    
Minimum [Member] | Restricted Stock and Units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee benefit plan vesting period 3 years