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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Summary of Earnings Per Share
Earnings per share have been calculated as follows:
(Expressed in thousands, except number of shares and per share amounts)
 For the Three Months Ended
March 31,
 20212020
Basic weighted average number of shares outstanding12,579,130 12,895,729 
Net dilutive effect of share-based awards, treasury method (1)
720,113 560,504 
Diluted weighted average number of shares outstanding13,299,243 13,456,233 
Net income$38,658 $7,818 
Earnings per share
       Basic$3.07 $0.61 
       Diluted$2.91 $0.58 
(1) For the three months ended March 31, 2021, there was no Class A Stock granted under share-based compensation
arrangements that were anti-dilutive. For the three months ended March 31, 2020, the diluted net income per share
computation did not include the anti-dilutive effect of 10,770 shares of Class A Stock granted under share-based
compensation arrangements.