Net Income Per Common Share (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Basic and Diluted Net Income Per Common Share

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

	Year ended December 31,
	2023		2022		2021
	(Dollars in thousands, except per share data)
(Numerator)
Income available to common stockholders	$	212,465	$	193,100	$	167,630
(Denominator)
Weighted-average shares outstanding for basic earnings per common share		32,919,348		32,778,355		32,716,099
Dilutive effect of stock compensation		575,139		661,141		598,047
Weighted-average shares outstanding for diluted earnings per common share		33,494,487		33,439,496		33,314,146
Basic earnings per share	$	6.45	$	5.89	$	5.12
Diluted earnings per share	$	6.34	$	5.77	$	5.03

Average Exercise Price of Options And RSUs Excluded from Computation of Diluted Net Income Per Common Share

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

	Shares
December 31, 2023		280,150
December 31, 2022		155,316
December 31, 2021		189,780