XML 144 R126.htm IDEA: XBRL DOCUMENT v3.22.2
Share-Based Compensation - Summary of Weighted Average Assumptions Used in Determination of Fair Values (Detail) - yr
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of terms and conditions of share-based payment arrangement [abstract]    
Expected life (years) 5.26 5.34
Expected volatility [1] 44.40% 43.60%
Dividend yield 1.00% 1.40%
Risk-free rate 1.10% 0.50%
Estimated forfeiture rate 3.90% 3.60%
[1] Expected volatility is based on the historical volatility of Enerflex over a five-year period, consistent with the expected life of the option.