Net Income Per Common Share

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Net Income Per Common Share

(8) 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 March 31, 2016
Basic
Income available to common stockholders	$	16,579		15,534,416	$	1.07
Dilutive effect of stock options		—		281,955
Diluted
Income available to common stockholders plus assumed    exercises of stock options	$	16,579		15,816,371	$	1.05
Three Months Ended March 31, 2015
Basic
Income available to common stockholders	$	16,259		15,507,346	$	1.05
Dilutive effect of stock options		—		331,202
Diluted
Income available to common stockholders plus assumed    exercises of stock options	$	16,259		15,838,548	$	1.03

The following table shows the number and average exercise price of options that were excluded from the computation of diluted net income per common share for each period because the options’ exercise prices were greater than the average market price of the common shares:

	Shares		Average ExercisePrice
Three Months Ended March 31, 2016		236,451	$	58.59
Three Months Ended March 31, 2015		128,667		57.68