Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share:

Year Ended December 31 (in thousands except per share data)	2020		2019		2018
Numerator:
Net income	$	59,504	$	64,540	$	59,228
Denominator:
Basic earnings per share:
Weighted average shares		17,748		17,724		17,687
Diluted earnings per share:
Dilutive effect of equity grants		8		16		16
Adjusted weighted average shares		17,756		17,740		17,703
Earnings per share:
Basic earnings per share	$	3.35	$	3.64	$	3.35
Diluted earnings per share		3.35		3.64		3.35