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Employee Equity and Profit Participation Program - Additional Information (Detail) - Trust for Benefit of Employees [Member] - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Amount borrowed from company to purchase common shares maximum $ 38,000,000 $ 38,000,000
Indebtedness receivable $ 38,000,000 $ 38,000,000