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Earnings Per Share
 9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
Basic earnings per share represent income available to common shareholders divided by the weighted-average number of common shares outstanding during the period. Diluted earnings per share reflect additional common shares that would have been outstanding if dilutive potential common shares had been issued, as well as any adjustments to income that would result from assumed issuance. Potential common shares that may be issued by the Company relate to outstanding stock options and restricted stock units (RSUs), and are determined using the treasury stock method. Earnings per share have been computed based on the following:
Three months ended September 30,
(in thousands)20212020
Net income$27,422 $17,606 
Average number of common shares outstanding29,714 29,764 
Effect of dilutive stock options and restricted stock137 80 
Average number of common shares outstanding used to calculate diluted earnings per share29,851 29,844 
Options excluded from diluted earnings per share because of their antidilutive effect— — 
Nine months ended September 30,
(in thousands)20212020
Net income$89,433 $41,157 
Average number of common shares outstanding29,720 29,971 
Effect of dilutive stock options and restricted stock167 112 
Average number of common shares outstanding used to calculate diluted earnings per share29,887 30,083 
Options excluded from diluted earnings per share because of their antidilutive effect— —