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Capital Stock and Share-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The fair values of stock options granted were estimated using the following weighted-average assumptions:
Nine Months Ended September 30, 2021
Risk-free rate0.98 %
Expected volatility55.22 %
Expected term (in years)7