Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share [Abstract]

Basic and diluted earnings per share

	Three Months				Six Months
	ended June 30,				ended June 30,
	2011		2010		2011		2010
Net earnings available to common stockholders, basic and diluted	$	11,886,000		13,222,000		22,171,000		23,292,000
Average outstanding shares — basic		71,915,073		71,913,102		71,915,073		67,363,476
Add: dilutive stock options		—		1,792		—		901
Average outstanding shares — diluted		71,915,073		71,914,894		71,915,073		67,364,377
Basic earnings per share	$	0.17		0.19		0.31		0.35
Diluted earnings per share	$	0.17		0.19		0.31		0.35