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Net Income Per Share of Common Stock (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Maximum Number Of Potential Dilutive Shares Issued Upon Vesting $ 12 $ 17 $ 12 $ 17
Employee Stock Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 17,000 25,000 2,000
Restricted Stock [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 125,000 2 39,000 7