Three Months Ended

March 31,

2012

2011

Basic earnings per share

Common stock

$

0.16

$

0.13

Restricted shares of common stock

$

0.15

$

0.12

Total shares of common stock

$

0.16

$

0.13

Diluted earnings per share

Common stock

$

0.16

$

0.13

Restricted shares of common stock

$

0.15

$

0.12

Total shares of common stock

$

0.16

$

0.13