Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share

	For the three months ended				For the six months ended
	June 30, 2012		June 30, 2011		June 30, 2012		June 30, 2011
Basic earnings per share:
Net income	$	89,144	$	77,543	$	158,448	$	134,766
Weighted average shares		97,969,074		74,807,174		87,789,596		67,167,275
Basic earnings per share	$	0.91	$	1.04	$	1.80	$	2.01
Diluted earnings per share:
Net income	$	89,144	$	77,543	$	158,448	$	134,766
Weighted average shares		97,969,074		74,807,174		87,789,596		67,167,275
Potential dilutive shares from exercise of stock options		—		—		—		—
Diluted weighted average shares		97,969,074		74,807,174		87,789,596		67,167,275
Diluted earnings per share	$	0.91	$	1.04	$	1.80	$	2.01