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Common Stock and Dividends
 9 Months Ended
Sep. 30, 2013
Stockholders' Equity Note [Abstract]  
Common Stock and Dividends
Common Stock and Dividends
 
Dividends declared and paid on a per share basis were as follows:
 
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2013
 
2012
 
2013
 
2012
 
 
 
 
 
 
 
 
Dividends declared
$
0.07

 
$
0.06

 
$
0.21

 
$
0.18

Dividends paid
$
0.07

 
$
0.06

 
$
0.21

 
$
0.18