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EARNINGS PER SHARE (Tables)
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Calculation of Earnings Per Basic and Diluted Shares The Company uses the treasury stock method to calculate earnings per share as shown in the following table (in thousands, except per share amounts):
 Three Months Ended September 30,Nine Months Ended September 30,
 2021202020212020
Net income$40,659 $3,251 $15,221 $42,900 
Basic net income per common share$1.32 $0.16 $0.55 $2.07 
Diluted net income per common share$1.31 $0.16 $0.55 $2.06 
Weighted-average shares outstanding - basic30,849 20,832 27,485 20,753 
Add: dilutive effect of contingent stock awards276 71 343 73 
Add: dilutive effect of exercisable stock options13 — 11 — 
Weighted-average shares outstanding - diluted31,138 20,903 27,839 20,826