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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Schedule of earnings per share
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)
2019201820192018
Net Income
$20,667 $18,771 $35,920 $33,354 
Average Common Shares:
Basic (weighted-average outstanding shares)
11,726 11,652 11,712 11,629 
Dilutive potential common shares from stock options
72 107 75 120 
Diluted (weighted-average outstanding shares)
11,798 11,759 11,787 11,749 
Basic earnings per share
$1.76 $1.61 $3.07 $2.87 
Diluted earnings per share
$1.75 $1.60 $3.05 $2.84