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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Schedule of weighted average number of common shares used to compute basic and dilute earnings per share
Net income and the weighted average number of common shares used to compute basic and diluted earnings per share were as follows:
Three months ended
June 30,
Six months ended
June 30,
(in thousands, except per share data)2021202020212020
Numerator:
Net income$21,219 $13,385 $41,147 $23,317 
Denominator:
Weighted average common shares outstanding16,854 16,685 16,807 16,656 
Weighted average dilutive securities271 80 286 95 
Weighted average common shares outstanding, diluted17,125 16,765 17,093 16,751 
Income per common share:
Basic$1.26 $0.80 $2.45 $1.40 
Diluted$1.24 $0.80 $2.41 $1.39 
Schedule of shared excluded from calculation of dilute securities
The following table summarizes the shares of common stock underlying the Company’s unvested time-vested stock awards and performance awards that were excluded from the calculation of dilutive securities:
Three months ended
June 30,
Six months ended
June 30,
(in thousands)2021202020212020
Time-vested stock awards— 44 — — 
Performance awards17 110 17 110