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Weighted Average Shares Outstanding
 12 Months Ended
Dec. 31, 2021
Earnings per share [abstract]  
Weighted Average Shares Outstanding Weighted Average Shares Outstanding
The number of basic shares outstanding and diluted common shares, calculated on a weighted average basis, is as follows:
December 31,
2021		December 31,
2020
##
Basic shares outstanding111,242,658 111,553,711 
Share options (dilutive effect in 2021 of 848,278 options; 2020 – 2,123,800 options)
374,007 395,594 
Diluted shares111,616,665 111,949,305 

At December 31, 2021, and December 31, 2020, no options were antidilutive.