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Stock-Based Compensation Restricted Stock Activity (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Balance at December 31, 2012 68,555  
Granted 92,631 33,550
Vested (27,357)  
Canceled (9,666)  
Balance at December 31, 2013 124,163 68,555
Balance, Weighted Average Grant Date Fair Value $ 18.15  
Grants in Period, Weighted Average Grant Date Fair Value $ 17.61  
Vested in Period, Weighted Average Grant Date Fair Value $ 18.42  
Canceled, Weighted Average Grant Date Fair Value $ 18.01  
Balance, Weighted Average Grant Date Fair Value $ 17.70 $ 18.15
Weighted Average Remaining Amortization Period 1 year 7 months 2 days