Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Basic and Diluted 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)
Three Months Ended September 30, 2022
Basic
Income available to common stockholders	$	55,352		32,825,931	$	1.69
Dilutive effect of stock options		—		710,627
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	55,352		33,536,558	$	1.65
Three Months Ended September 30, 2021
Basic
Income available to common stockholders	$	38,750		32,744,104	$	1.18
Dilutive effect of stock options		—		523,851
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	38,750		33,267,955	$	1.16
Nine Months Ended September 30, 2022
Basic
Income available to common stockholders	$	135,974		32,748,116	$	4.15
Dilutive effect of stock options		—		681,045
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	135,974		33,429,161	$	4.07
Nine Months Ended September 30, 2021
Basic
Income available to common stockholders	$	129,462		32,760,015	$	3.95
Dilutive effect of stock options		—		598,822
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	129,462		33,358,837	$	3.88

Number of Options Excluded from Computation of Diluted Net Income Per Common Share

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, 2022		184,707
Three Months Ended September 30, 2021		533,701
Nine Months Ended September 30, 2022		149,669
Nine Months Ended September 30, 2021		161,690