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Share-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2014
Share-based Compensation [Abstract]  
Summary of company stock award
A summary of the status of the Company’s stock awards as of March 31, 2014, and changes during the three months ended March 31, 2014, is presented below: 
 
Shares
 
Weighted
 Average
Grant-Date
Fair Value
Nonvested at January 1, 2014
478,216

 
$
18.72

Granted
236,450

 
$
17.11

Vested
(164,090
)
 
$
17.76

Forfeited
(440
)
 
$
19.69

Nonvested at March 31, 2014
550,136

 
$
18.32