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Net Earnings (Loss) Per Share - Additional Information (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-Based Awards        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Antidilutive securities excluded from the calculation of net earnings (loss) per share - diluted (in shares) 0.1 0.7 0.2 1.5