The following table presents the calculation of basic and diluted earnings per common share for the periods indicated:


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Amounts in thousands, except share and per share data)	2016		2015		2016		2015
Net income	$	6,383	$	6,259	$	18,722	$	18,392
Dividends on preferred stock		—		—		—		105

Net income available to common shareholders	$	6,383	$	6,259	$	18,722	$	18,287

Weighted average common shares outstanding, basic		17,031,074		18,470,348		17,433,406		18,644,679
Dilutive effect of potential common shares
Stock options		38,746		26,804		31,856		24,938
Restricted stock		13,706		3,823		9,949		3,091
Convertible preferred stock		—		—		—		223,201

Total dilutive effect of potential common shares		52,452		30,627		41,805		251,230

Weighted average common shares outstanding, diluted		17,083,526		18,500,975		17,475,211		18,895,909

Basic earnings per common share	$	0.37	$	0.34	$	1.07	$	0.98
Diluted earnings per common share		0.37		0.34		1.07		0.97
Antidilutive potential common shares
Stock options		127,789		130,382		127,789		130,382

Total potential antidilutive shares		127,789		130,382		127,789		130,382