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Stock-Based Compensation (Stock Option Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 0 Months Ended 9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2012
Options, Outstanding [Roll Forward]      
Outstanding, beginning of period     422,239
Granted     20,000
Exercised     (22,500)
Canceled/Forfeited     (12,500)
Expired     (7,500)
Outstanding, end of period 399,739 422,239 399,739
Exercisable, end of period 331,072   331,072
Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Outstanding, weighted average exercise price, beginning of period     $ 15.06
Granted, weighted average exercise price     $ 14.89
Exercised, weighted average exercise price     $ 7.47
Canceled/Forfeited, weighted average exercise price     $ 18.81
Expired, weighted average exercise price     $ 16.82
Outstanding, weighted average exercise price, end of period $ 15.33 $ 15.06 $ 15.33
Exercisable, weighted average exercise price, end of period $ 14.94   $ 14.94
Options, Weighted Average Remaining Contractual Term:      
Outstanding, weighted average remaining contractual life (years), beginning of period 6 years 0 months 22 days 6 years 5 months 23 days  
Granted, weighted average remaining contractual life (years)     8 years
Outstanding, weighted average remaining contractual life (years), end of period 6 years 0 months 22 days 6 years 5 months 23 days  
Exercisable, weighted average remaining contractual life (years), end of period 5 years 7 months 13 days    
Options, Intrinsic Value:      
Outstanding, aggregate intrinsic value, beginning of period     $ 766
Outstanding, aggregate intrinsic value, end of period 675 766 675
Exercisable, aggregate intrinsic value, end of period $ 674   $ 674
Stock Options
      
Options, Intrinsic Value:      
Award vesting period     3 years