Basic earnings per common share are computed by dividing net income available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted earnings per common share include the dilutive effect of additional potential common shares issuable under stock options.

 

		Three Months Ended September 30,								Nine Months Ended September 30,
		2018				2017				2018				2017
		(In Thousands, Except Shares and Per Share Data)
Earnings per common share
Weighted average common shares outstanding			53,171,144				52,950,644				53,134,861				52,854,332
Net income available to common stockholders		$	34,560			$	25,259			$	100,672			$	71,911
Basic earnings per common share		$	0.65			$	0.48			$	1.89			$	1.36
Weighted average common shares outstanding			53,171,144				52,950,644				53,134,861				52,854,332
Dilutive effects of assumed conversions and exercise of stock options and warrants			1,020,078				1,149,028				1,055,383				1,256,580
Weighted average common and dilutive potential common shares outstanding			54,191,222				54,099,672				54,190,244				54,110,912
Net income available to common stockholders		$	34,560			$	25,259			$	100,672			$	71,911
Diluted earnings per common share		$	0.64			$	0.47			$	1.86			$	1.33