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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following includes the computation of the denominator for basic and diluted weighted-average shares outstanding for the years ended December 31, 2021, 2020 and 2019:
(in thousands)202120202019
Weighted Average Common Shares Outstanding – Basic41,491 40,710 39,721 
Effect of Dilutive Securities:
Stock Performance Awards226 116 147 
Restricted Stock Awards87 63 81 
Employee Stock Purchase Plan Shares and Other14 16 
Dilutive Effect of Potential Common Shares327 195 233 
Weighted Average Common Shares Outstanding – Diluted41,818 40,905 39,954