XML 99 R85.htm IDEA: XBRL DOCUMENT v3.22.1
Information about Stock Options Outstanding (Detail) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, Exercise price $ 6.13 $ 6.16 $ 11.00 $ 10.88
Options outstanding, No. of Shares 37      
Option currently exercisable, Exercise price $ 6.13 $ 6.16 $ 11.05  
Option currently exercisable, No. of Shares 37      
Range One        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding, No. of Shares 8      
Options outstanding, Weighted average remaining contractual life 2 years 8 months 4 days      
Option currently exercisable, No. of Shares 8      
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 2 years 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