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Weighted Average Non Vested Restricted Shares Excluded from Computation of Earnings Per Share (Detail) - shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Non Vested Restricted Stock      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Weighted Average Non-Vested Restricted Shares Not Included in EPS Computation 12,086 23,636 42,813