Net Income Per Common Share

9 Months Ended

Sep. 30, 2019

(9)	NET INCOME PER COMMON SHARE

Basic and diluted net income per common share based on weighted-average shares outstanding are calculated as follows:

	Income (Numerator)		Shares (Denominator)		Per Share Amount
	(Dollars in thousands, except per share data)
Three Months Ended September 30, 2019
Basic
Income available to common stockholders	$	33,368		32,641,902	$	1.02
Dilutive effect of stock options		—		685,311
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	33,368		33,327,213	$	1.00
Three Months Ended September 30, 2018
Basic
Income available to common stockholders	$	32,883		32,742,480	$	1.01
Dilutive effect of stock options		—		761,663
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	32,883		33,504,143	$	0.98

Nine Months Ended September 30, 2019
Basic
Income available to common stockholders	$	99,372		32,627,924	$	3.04
Dilutive effect of stock options		—		686,374
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	99,372		33,314,298	$	2.98
Nine Months Ended September 30, 2018
Basic
Income available to common stockholders	$	93,089		32,678,310	$	2.85
Dilutive effect of stock options		—		752,451
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	93,089		33,430,761	$	2.78

The following table shows the number of options that were excluded from the computation of diluted net income per common share for each period because the options were anti-dilutive for the period:

	Shares
Three Months Ended September 30, 2019		164,696
Three Months Ended September 30, 2018		83,799
Nine Months Ended September 30, 2019		174,489
Nine Months Ended September 30, 2018		84,368