Three Months Ended

Nine Months Ended

September 30,

September 30,

2011

2010

2011

2010

Basic earnings per share

Common stock

$

0.20

$

0.17

$

0.54

$

0.48

Restricted shares of common stock

$

0.20

$

0.17

$

0.53

$

0.47

Total shares of common stock

$

0.20

$

0.17

$

0.54

$

0.48

Diluted earnings per share

Common stock

$

0.20

$

0.17

$

0.54

$

0.48

Restricted shares of common stock

$

0.20

$

0.17

$

0.53

$

0.47

Total shares of common stock

$

0.20

$

0.17

$

0.54

$

0.48