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Net Income (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2021
Earnings per share [abstract]  
Net income (loss) per share
Years Ended December 31
20212020
Net incomeWeighted average common shares (000's)Net income per shareNet lossWeighted average common shares (000's)Net loss per share
Net income (loss) - basic$1,613,600 563,674 $2.86 $(2,438,964)560,657 $(4.35)
Dilutive effect of share awards 7,936  — — — 
Net income (loss) - diluted$1,613,600 571,610 $2.82 $(2,438,964)560,657 $(4.35)