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Earnings per Share
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Earnings per Share Earnings per Share
Basic earnings per common share is computed by dividing net income available to common shareholders by the weighted average number of shares of common stock outstanding during the period.

For the three months ended March 31, 2022 and March 31, 2021, no options to purchase shares of the Company's common stock were anti-dilutive.
Three Months Ended March 31,
(Dollars in thousands, except per share data)20222021
Basic earnings per share  
Net income$20,588 $33,719 
Average common shares outstanding61,127 55,271 
Net income per share$0.34 $0.61 
Diluted earnings per share
Net income$20,588 $33,719 
Average common shares outstanding61,127 55,271 
Add: Dilutive effect of employee restricted stock and stock options577 721 
Average diluted shares outstanding61,704 55,992 
Net income per share$0.33 $0.60 
Net income has not been allocated to unvested restricted stock awards that are participating securities because the amounts that would be allocated are not material to net income per share of common stock. Unvested restricted stock awards that are participating securities represent less than one percent of all of the outstanding shares of common stock for each of the periods presented.