The following table sets forth the computation of basic and diluted earnings per share under the two-class method, as unvested share-based payment awards include the nonforfeitable right to receive dividends and therefore are considered participating securities:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Net income, as reported	$	6,412	$	7,070	$	12,995	$	13,409
Weighted-average common shares outstanding – basic		7,675,819		7,677,594		7,673,927		7,668,831
Dilutive effect of stock-based compensation		11,801		9,539		12,820		10,467
Weighted-average common and potential common shares – diluted		7,687,620		7,687,133		7,687,747		7,679,298
Basic earnings per share – common stock	$	0.84	$	0.92	$	1.69	$	1.75
Basic earnings per share – unvested share-based payment awards		0.81		0.88		1.55		1.64
Diluted earnings per share – common stock		0.83		0.92		1.69		1.75
Diluted earnings per share– unvested share-based payment awards		0.83		0.92		1.69		1.75