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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE
Basic and diluted earnings per common share were calculated as follows (in thousands, except per share amounts):
 
Years Ended December 31,
202020192018
Basic weighted average number of shares outstanding37,718 38,100 40,107 
Effect of dilutive securities:
Unvested restricted stock766 791 621 
Diluted average shares outstanding38,484 38,891 40,728 
Net earnings as reported$423,475 $249,663 $227,332 
Basic earnings per share$11.23 $6.55 $5.67 
Diluted earnings per share$11.00 $6.42 $5.58