SHAREHOLDERS' EQUITY AND INCOME PER COMMON SHARE (Tables)

12 Months Ended

Dec. 31, 2020

SHAREHOLDERS' EQUITY AND INCOME PER COMMON SHARE [Abstract]

Reconciliation of Basic and Diluted Net Income Per Share

A reconciliation of basic and diluted net income per common share for the years ended December 31 follows:

	2020		2019		2018
	(In thousands, except per share amounts)
Net income	$	56,152	$	46,435	$	39,839
Weighted average shares outstanding (1)		21,977		22,894		23,412
Stock units for deferred compensation plan for non-employee directors		121		132		128
Effect of stock options		90		115		176
Performance share units		33		42		53
Weighted average shares outstanding for calculation of diluted earnings per share		22,221		23,183		23,769
Net income per common share
Basic (1)	$	2.56	$	2.03	$	1.70
Diluted	$	2.53	$	2.00	$	1.68

(1) Basic net income per common share includes weighted average common shares outstanding during the period and participating share awards.