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Information about Stock Options Outstanding (Detail) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, Exercise price $ 6.38 $ 6.13 $ 6.16 $ 11.00
Options outstanding, No. of Shares 33      
Option currently exercisable, Exercise price $ 6.38 $ 6.13 $ 6.16  
Option currently exercisable, No. of Shares 33      
Range One        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, No. of Shares 4      
Options outstanding, Weighted average remaining contractual life 4 years 4 months 6 days      
Option currently exercisable, No. of Shares 4      
Range One | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, Exercise price $ 5      
Option currently exercisable, Exercise price $ 5      
Range Two        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, No. of Shares 29      
Options outstanding, Weighted average remaining contractual life 1 year 2 months 4 days      
Option currently exercisable, No. of Shares 29      
Range Two | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, Exercise price $ 5      
Option currently exercisable, Exercise price 5      
Range Two | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, Exercise price 50      
Option currently exercisable, Exercise price 50      
Range Three | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, Exercise price 50      
Option currently exercisable, Exercise price 50      
Range Three | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, Exercise price 100      
Option currently exercisable, Exercise price $ 100