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Earnings Per Share
 9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Earnings Per Share EARNINGS PER SHARE
The following table sets forth the computation of the basic and diluted earnings per share (in thousands, except per share data):
Three months ended September 30,Nine months ended September 30,
2021202220212022
Numerator for basic and diluted earnings per share:
Net income $13,046 $5,860 $19,812 $33,361 
Less: Earnings allocated to unvested restricted stock(18)(3)(33)(21)
Income attributable to common stockholders$13,028 $5,857 $19,779 $33,340 
Denominator:
Denominator for basic earnings per common share - weighted average shares outstanding17,499 14,689 17,809 14,908 
Effect of dilutive securities:
Stock options235 160 277 253 
Performance awards512 688 279 688 
Denominator for diluted earnings per common share - weighted average shares outstanding18,246 15,537 18,365 15,849 
Basic earnings per common share:$0.74 $0.40 $1.11 $2.22 
Diluted earnings per common share:$0.71 $0.38 $1.08 $2.09 
For the three and nine months ended September 30, 2022, there were 363,073 and 294,310 stock options, respectively, excluded from the computation of diluted earnings per share because the inclusion of such stock option would result in an antidilutive effect. For the three and nine months ended September 30, 2021, no stock options were excluded from the computation of diluted earnings per share.
Our performance awards are considered to be contingently issuable shares because their issuance is contingent upon the satisfaction of certain performance and service conditions. At September 30, 2022, we had satisfied certain performance criteria for the first, second and third predetermined growth targets of our performance awards to be considered outstanding. Therefore, we included these awards in the computation of diluted earnings per share as of the beginning of the reporting period.