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Share-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2013
Share-based Compensation [Abstract]  
Summary of company stock award
A summary of the status of the Company’s stock awards as of September 30, 2013, and changes during the nine months ended September 30, 2013, is presented below: 
 
Shares
 
Weighted
 Average
Grant-Date
Fair Value
Nonvested at January 1, 2013
346,860

 
$
17.06

Granted
210,650

 
$
21.91

Vested
(209,270
)
 
$
18.41

Forfeited
(9,870
)
 
$
18.32

Nonvested at September 30, 2013
338,370

 
$
19.20