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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2023
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted The following table sets forth the reconciliation from basic to diluted average common shares and the calculations of net income per common share.  Net income for basic and diluted calculations do not differ.
Three Months Ended
June 30,		Six Months Ended
June 30,
(In thousands, except per share)
2023202220232022
Net Income$36,374 $28,472 $69,723 $46,942 
Average Common Shares:
Basic (weighted-average outstanding shares)
11,921 11,880 11,910 11,870 
Dilutive potential common shares from stock options
72 58 67 57 
Diluted (weighted-average outstanding shares)
11,993 11,938 11,977 11,927 
Basic earnings per share$3.05 $2.39 $5.85 $3.95 
Diluted earnings per share$3.03 $2.39 $5.82 $3.94