Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Weighted Average Fair Value of Options Granted (Detail)

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Summary of Significant Accounting Policies - Schedule of Weighted Average Fair Value of Options Granted (Detail) - Performance Based Nonvested [Member] - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule Of Weighted Average Assumptions For Fair Values Of Stock Options [Line Items]      
Expected life (years) 3 years 3 years 3 years
Risk free interest rate 0.93% 0.19% 1.64%
Expected volatility 27.75% 28.15% 18.22%
Fair value $ 157.61 $ 78.00 $ 66.96