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GENERAL - Reconciliation of Company's Weighted-average Number of Outstanding Common Shares (Parenthetical) (Detail) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Stock options    
Earnings Per Share Diluted [Line Items]    
Diluted weighted-average number of outstanding common shares 1,282,555 3,577,850
Restricted shares    
Earnings Per Share Diluted [Line Items]    
Diluted weighted-average number of outstanding common shares 230,489 338,345