Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 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:

	Income (Numerator)		Shares (Denominator)		Per Share Amount
	(Dollars in thousands, except per share data)
Three Months Ended June 30, 2023
Basic
Income available to common stockholders	$	55,010		32,920,497	$	1.67
Dilutive effect of stock options		—		546,757
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	55,010		33,467,254	$	1.64
Three Months Ended June 30, 2022
Basic
Income available to common stockholders	$	44,707		32,749,752	$	1.36
Dilutive effect of stock options		—		668,730
Diluted
Income available to common stockholders plus assumed exercises of stock options	$	44,707		33,418,482	$	1.34
Six Months Ended June 30, 2023
Basic
Income available to common stockholders	$	112,543		32,906,753	$	3.42
Dilutive effect of stock options		—		559,178
Diluted
Income available to common stockholders plus    assumed exercises of stock options	$	112,543		33,465,931	$	3.36
Six Months Ended June 30, 2022
Basic
Income available to common stockholders	$	80,622		32,708,563	$	2.46
Dilutive effect of stock options		—		658,236
Diluted
Income available to common stockholders plus    assumed exercises of stock options	$	80,622		33,366,799	$	2.42

Average Exercise Price 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 June 30, 2023		305,407
Three Months Ended June 30, 2022		122,489
Six Months Ended June 30, 2023		307,608
Six Months Ended June 30, 2022		131,779