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Earnings Per Share - Additional Information (Detail) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Earnings Per Share [Abstract]      
Weighted average non-vested shares of restricted shares 10,845 2,990 910
Antidilutive securities excluded from computation of earnings per share, amount 65,000 65,000 44,500