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EARNINGS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2023
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share
Earnings per share have been computed based on the following (average diluted shares outstanding are calculated using the treasury stock method):
 Three Months Ended June 30,Six Months Ended June 30,
(In thousands, except per share data)2023202220232022
Net income$23,861 $23,115 $51,498 $43,311 
Average number of common shares issued51,903 51,903 51,903 51,903 
Less: average number of treasury shares7,624 5,247 7,552 4,375 
Less: average number of unvested stock award shares836 838 787 795 
Average number of basic shares outstanding43,443 45,818 43,564 46,733 
Plus: dilutive effect of unvested stock award shares89 283 216 337 
Plus: dilutive effect of stock options outstanding— — 
Average number of diluted shares outstanding43,532 46,102 43,780 47,074 
Basic earnings per common share:$0.55 $0.50 $1.18 $0.93 
Diluted earnings per common share:$0.55 $0.50 $1.18 $0.92