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Stock-Based Compensation Restricted Stock (Details) (Restricted Stock, USD $)
6 Months Ended
Jun. 30, 2014
Restricted Stock
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding restricted stock (in shares) 356,138
Granted (in shares) 19,808
Vested (in shares) (26,588)
Forfeitures (in shares) (7,190)
Outstanding restricted stock (in shares) 342,168
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding restricted stock (in dollars per share) $ 10.28
Granted (in dollars per share) $ 8.44
Vested (in dollars per share) $ 10.81
Forfeitures (in dollars per share) $ 10.54
Outstanding restricted stock (in dollars per share) $ 10.12