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EARNINGS PER SHARE
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE
The Company calculates earnings per share under the two-class method, as unvested service-based restricted stock awards contain non-forfeitable rights to dividends, and thus are considered securities that participate in the earnings of the Company. The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts):
December 31,
202020192018
Numerator:
Net income$68,594 $50,430 $58,269 
Less: Income allocated to participating securities(736)(546)(629)
Net income available to common stockholders$67,858 $49,884 $57,640 
Denominator:
Weighted average shares - basic67,010 66,884 66,499 
Performance-based restricted stock awards107 — 61 
Weighted average shares - diluted67,117 66,884 66,560 
Basic net income per share:$1.01 $0.75 $0.87 
Diluted net income per share:$1.01 $0.75 $0.87