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Earnings Per Share
6 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
Earnings Per Share EARNINGS PER SHARE
Basic earnings per share is computed by dividing net income, excluding net earnings allocated to participating securities, by the weighted average number of shares outstanding during the applicable period, excluding outstanding participating securities. Diluted earnings per share is computed using the weighted average number of shares determined for the basic computation plus the dilutive effect of potential common shares issuable under certain stock compensation plans. For the three and six months ended June 30, 2020 and 2019, there were no outstanding stock options to include in the diluted earnings per share calculations and the impact of performance-based shares was immaterial.

Unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are participating securities and are included in the computation of earnings per share pursuant to the two-class method. The Corporation has determined that its outstanding unvested stock awards are participating securities.

The computation of basic and diluted earnings per share is shown below:
Three months ended June 30,Six months ended June 30,
 2020201920202019
Basic earnings per common share computation:
Net income per consolidated statements of income$8,246  $9,767  $17,059  $19,240  
Net earnings allocated to participating securities(29) (40) (59) (78) 
Net earnings allocated to common stock$8,217  $9,727  $17,000  $19,162  
Distributed earnings allocated to common stock$2,608  $2,580  $5,216  $5,160  
Undistributed earnings allocated to common stock5,609  7,147  11,784  14,002  
Net earnings allocated to common stock$8,217  $9,727  $17,000  $19,162  
Weighted average common shares outstanding, including shares considered participating securities15,393  15,230  15,365  15,230  
Less: Average participating securities(52) (62) (52) (62) 
Weighted average shares15,341  15,168  15,313  15,168  
Basic earnings per common share$0.54  $0.64  $1.11  $1.26  
Diluted earnings per common share computation:
Net earnings allocated to common stock$8,217  $9,727  $17,000  $19,162  
Weighted average common shares outstanding for basic earnings per common share15,341  15,168  15,313  15,168  
Add: Dilutive effects of assumed exercises of stock options    
Weighted average shares and dilutive potential common shares15,341  15,168  15,313  15,168  
Diluted earnings per common share$0.54  $0.64  $1.11  $1.26