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CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS PER SHARE (EPS)
 9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS PER SHARE (EPS) CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS PER SHARE (EPS)
The following table reconciles basic to diluted weighted average shares outstanding used to calculate earnings per share data for the three and nine months ended September 30, 2021 and 2020 (in thousands, except shares and per share data):
 Three Months Ended
September 30,		Nine Months Ended
September 30,
 2021202020212020
Net income$49,884 $36,548 $151,121 $76,971 
Basic weighted average shares outstanding34,446,510 35,193,109 34,716,914 35,285,567 
Dilutive effect of unvested restricted stock222,982 123,570 295,314 239,204 
Diluted weighted shares outstanding34,669,492 35,316,679 35,012,228 35,524,771 
Earnings per common share    
Basic$1.45 $1.04 $4.35 $2.18 
Diluted$1.44 $1.03 $4.32 $2.17