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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of the activity for non-vested restricted stock awards
A summary of the activity for non-vested restricted stock awards under the 2005 Plan is presented below:
 
 
 
Restricted Stock Awards
 
Shares
 
Weighted
Average Grant Date Fair Value
Outstanding at January 1, 2015
 
296,782

 
$
16.58

Granted
 
131,703

 
13.22

Vested
 
(86,130
)
 
17.40

Forfeited
 
(14,855
)
 
15.55

Outstanding at June 30, 2015
 
327,500

 
$
15.06