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Earnings Per Share
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
 
Calculation of basic earnings per share (Basic EPS) and diluted earnings per share (Diluted EPS) is shown below.
Year ended December 31,
(In thousands, except share and per share data)202120202019
Basic
Net income available to common shareholders$89,264 $77,588 $81,718 
Less: income attributable to unvested stock-based compensation awards(615)(857)(1,306)
Net earnings allocated to common shareholders88,649 76,731 80,412 
Weighted average shares outstanding, including unvested stock-based compensation awards14,798,447 14,933,990 15,149,535 
Less: average unvested stock-based compensation awards(229,684)(230,600)(242,478)
Weighted average shares outstanding - Basic14,568,763 14,703,390 14,907,057 
Diluted
Net earnings allocated to common shareholders88,649 76,731 80,412 
Weighted average shares outstanding - Basic14,568,763 14,703,390 14,907,057 
Plus: incremental shares from assumed conversion of stock-based compensation awards79,404 38,650 66,894 
   Weighted average shares outstanding - Diluted14,648,167 14,742,040 14,973,951 
Basic EPS$6.08 $5.22 $5.39 
Diluted EPS$6.05 $5.20 $5.37 
 
Stock-based compensation awards representing 4,984, 7,591, and 14,982 common shares for 2021, 2020, and 2019, respectively, were not included in the computations of diluted earnings per common share because the effect on those periods would have been antidilutive.