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Share-Based Compensation Plans (Tables)
 9 Months Ended
Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of share-based compensation expense included in net income
A summary of share-based compensation expense included in net income is as follows:
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2014
 
2013
 
2014
 
2013
 
(In thousands)
Share-based compensation incurred
 
 
 
 
 
 
 
Grants of common shares
$
3,107

 
$
2,671

 
$
9,699

 
$
8,284

Grants of options
—

 
69

 
36

 
223

 
3,107

 
2,740

 
9,735

 
8,507

Capitalized share-based compensation
(360
)
 
(405
)
 
(945
)
 
(793
)
Share-based compensation expense
$
2,747

 
$
2,335

 
$
8,790

 
$
7,714