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Restricted Stock, Restricted Stock Units, and Stock Options - Additional Information (Detail)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
shares
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
Incentive_Plan
shares
Sep. 30, 2021
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of equity incentive plans | Incentive_Plan     3  
Market value of shares | $     $ 2.7 $ 2.2
Stock options outstanding 0   0  
Share-based compensation expense | $ $ 0.7 $ 0.4 $ 1.5 $ 1.7
Performance Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock issued, shares     40,959 24,288
Restricted Stock [Member] | Employees and Non-employee Directors [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock issued, shares     15,309 8,707
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Market value of shares | $     $ 1.1  
Restricted Stock Units (RSUs) [Member] | Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock issued, shares     22,826 0