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Earnings Per Share Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth the computation of the basic and diluted earnings per share (in thousands, except per share data): 
 Years Ended December 31,
 201920202021
Numerator for basic and diluted earnings per share:
Net income$14,533 $16,090 $33,159 
Less: Earnings allocated to unvested restricted stock(62)(46)(53)
Income attributable to common stockholders$14,471 $16,044 $33,106 
Denominator:
Denominator for basic earnings per common share - weighted average shares outstanding17,877 17,872 17,409 
Effect of dilutive securities:
Stock options118 196 475 
Convertible Notes10 9 — 
Performance awards— — 382 
Denominator for diluted earnings per common share - weighted average shares outstanding18,005 18,077 18,266 
Basic earnings per common share$0.81 $0.90 $1.90 
Diluted earnings per common share$0.80 $0.89 $1.81