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Earnings Per Common Share
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Earnings Per Common Share EARNINGS PER COMMON SHARE
Basic earnings per common 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 common 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, 2021 and 2020, there were no outstanding stock options to include in the diluted earnings per common 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 common 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 common share is shown below:
Three months ended June 30,Six months ended June 30,
 2021202020212020
Basic earnings per common share computation:
Net income per consolidated statements of income$12,915 $8,246 $26,021 $17,059 
Net earnings allocated to participating securities(47)(29)(92)(59)
Net earnings allocated to common stock$12,868 $8,217 $25,929 $17,000 
Distributed earnings allocated to common stock$2,859 $2,608 $5,718 $5,216 
Undistributed earnings allocated to common stock10,009 5,609 20,211 11,784 
Net earnings allocated to common stock$12,868 $8,217 $25,929 $17,000 
Weighted average common shares outstanding, including shares considered participating securities16,885 15,393 16,870 15,365 
Less: Average participating securities(60)(52)(58)(52)
Weighted average shares16,825 15,341 16,812 15,313 
Basic earnings per common share$0.76 $0.54 $1.54 $1.11 
Diluted earnings per common share computation:
Net earnings allocated to common stock$12,868 $8,217 $25,929 $17,000 
Weighted average common shares outstanding for basic earnings per common share16,825 15,341 16,812 15,313 
Add: Dilutive effects of performance based-shares
Weighted average shares and dilutive potential common shares16,825 15,341 16,812 15,313 
Diluted earnings per common share$0.76 $0.54 $1.54 $1.11