Net Income Per Common Share

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Net Income Per Common Share

(16) NET INCOME PER COMMON SHARE

Basic and diluted net income per common share are calculated as follows:

	Income (Numerator)		Shares (Denominator)		Per Share Amount
	(Dollars in thousands, except per share data)
Year Ended December 31, 2015
Basic
Income available to common stockholders	$	66,170		15,559,059	$	4.25
Effect of stock options		—		327,186
Diluted
Income available to common stockholders plus assumed    exercises of stock options	$	66,170		15,886,245	$	4.17
Year Ended December 31, 2014
Basic
Income available to common stockholders	$	63,887		15,430,773	$	4.14
Effect of stock options		—		363,630
Diluted
Income available to common stockholders plus assumed    exercises of stock options	$	63,887		15,794,403	$	4.04
Year Ended December 31, 2013
Basic
Income available to common stockholders	$	54,317		15,268,843	$	3.56
Effect of stock options		—		279,979
Diluted
Income available to common stockholders plus assumed    exercises of stock options	$	54,317		15,548,822	$	3.49

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 year because the options’ exercise prices were greater than the average market price of the common shares.

	Shares		Average ExercisePrice
December 31, 2015		177,718	$	58.47
December 31, 2014		69,405		55.87
December 31, 2013		118,603		42.79