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,
		2018				2017
		(In Thousands, Except Shares and Per Share Data)
Earnings per common share
Weighted average common shares outstanding			53,082,322				52,745,335
Net income available to common stockholders		$	32,603			$	22,519
Basic earnings per common share		$	0.61			$	0.43
Weighted average common shares outstanding			53,082,322				52,745,335
Dilutive effects of assumed conversions and exercise of stock options and warrants			1,101,078				1,388,387
Weighted average common and dilutive potential common shares outstanding			54,183,400				54,133,722
Net income available to common stockholders		$	32,603			$	22,519
Diluted earnings per common share		$	0.60			$	0.42