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Stock-Based Compensation (Summary of Unvested Stock Options) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 0 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost related to stock options $ 200 $ 200    
Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Outstanding [Roll Forward]        
Unvested, beginning of period   78,666    
Granted 20,000 20,000    
Vested   (47,082)    
Cancelled/Forfeited   (2,250)    
Unvested, end of period 49,334 49,334 78,666  
Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Weighted Average Grant Date Fair Value [Roll Forward]        
Unvested, weighted average grant date fair value, beginning of period (in USD per share)   $ 8.82    
Granted, weighted average exercise price (in USD per share)   $ 8.22 $ 10.00 $ 7.30
Vested, weighted average exercise price (in USD per share)   $ 8.36    
Cancelled/Forfeited, weighted average exercise price (in USD per share)   $ 8.98    
Unvested, weighted average grant date fair value, end of period (in USD per share) $ 9.01 $ 9.01 $ 8.82  
Stock Options
        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost related to stock options, weighted average period for recognition   1 year 7 months