Basic earnings per common share are computed by dividing net income 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 March 31,
		2019				2018
		(In Thousands, Except Shares and Per Share Data)
Earnings per common share
Weighted average common shares outstanding			53,465,091				53,082,322
Net income available to common stockholders		$	35,010			$	32,603
Basic earnings per common share		$	0.65			$	0.61
Weighted average common shares outstanding			53,465,091				53,082,322
Dilutive effects of assumed conversions and exercise of stock options and warrants			611,447				1,101,078
Weighted average common and dilutive potential common shares outstanding			54,076,538				54,183,400
Net income available to common stockholders		$	35,010			$	32,603
Diluted earnings per common share		$	0.65			$	0.60