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Earnings Per Common Share
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Earnings Per Common Share Earnings per Common Share
The following table presents the calculation of earnings per common share:
(Dollars and shares in thousands, except per share amounts)
Years ended December 31,202020192018
Earnings per common share - basic:
Net income$69,829 $69,118 $68,432 
Less: dividends and undistributed earnings allocated to participating securities(152)(139)(144)
Net income available to common shareholders
$69,677 $68,979 $68,288 
Weighted average common shares17,282 17,331 17,272 
Earnings per common share - basic$4.03 $3.98 $3.95 
Earnings per common share - diluted:
Net income$69,829 $69,118 $68,432 
Less: dividends and undistributed earnings allocated to participating securities(151)(139)(144)
Net income available to common shareholders
$69,678 $68,979 $68,288 
Weighted average common shares17,282 17,331 17,272 
Dilutive effect of common stock equivalents120 83 119 
Weighted average diluted common shares
17,402 17,414 17,391 
Earnings per common share - diluted$4.00 $3.96 $3.93 

Weighted average common stock equivalents, not included in common stock equivalents above because they were anti-dilutive, totaled 223,506, 100,643 and 55,821, respectively, for the years ended December 31, 2020, 2019 and 2018.