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Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2011
Stockholders' Equity  
Schedule of dividends declared and paid

 

Quarter Paid

 

Dividends Per
Share

 

Total
Dividends

 

 

 

 

 

 

 

First quarter of 2011

 

$

0.19

 

$

15,473

 

Second quarter of 2011

 

$

0.19

 

$

15,473

 

 

 

 

 

 

 

First quarter of 2010

 

$

0.19

 

$

15,139

 

Second quarter of 2010

 

$

0.19

 

$

15,140