NET INCOME PER COMMON SHARE (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of earnings per share

Income per common share is calculated for the years ended December 31, 2019, 2018 and 2017 as follows:  

(thousands except per share data)	2019		2018		2017
Net income	$	89,566	$	119,832	$	85,718
Weighted average common shares outstanding - basic	23,058		23,995		24,230
Effect of potentially dilutive securities	222		322		413
Weighted average common shares outstanding - diluted	23,280		24,317		24,643
Basic net income per common share	$	3.88	$	4.99	$	3.54
Diluted net income per common share	$	3.85	$	4.93	$	3.48
Cash dividends paid per common share	$	0.25	$	—	$	—