XML 133 R96.htm IDEA: XBRL DOCUMENT v3.24.0.1
Equity Compensation Plans - Additional Information (Detail) - USD ($)
shares in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award          
Shares available for future awards (in shares)     1.3    
Unrecognized compensation cash settled in shares     $ 2,900,000    
Compensation expense     $ 8,800,000 $ 6,000,000.0 $ 5,000,000.0
Restricted Share Units          
Share-based Compensation Arrangement by Share-based Payment Award          
Award vesting period     3 years    
Unrecognized compensation cost     $ 5,500,000    
Share-based payment arrangement     1 year 8 months 12 days    
Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award          
Award performance period     3 years    
Unrecognized compensation cash     $ 2,100,000    
Unrecognized compensation cash expected to be recognized over a weighted average period, years     1 year 7 months 6 days    
Deferred compensation liability, current and noncurrent     $ 18,000,000    
Deferred compensation cash-based arrangements, liability, current     12,400,000    
Employee Stock Option          
Share-based Compensation Arrangement by Share-based Payment Award          
Unrecognized compensation cost     $ 2,700,000    
Expiration period     10 years    
Percentage of fair market value on the date of grant     100.00%    
Key Employees | Employee Stock Option          
Share-based Compensation Arrangement by Share-based Payment Award          
Award vesting period 3 years 3 years      
Award performance period 3 years 3 years      
Compensation expense     $ 9,100,000 7,800,000 6,900,000
Non-Employee Director          
Share-based Compensation Arrangement by Share-based Payment Award          
Cash payments to settle phantom shares     0 0 0
Non-Employee Director | Phantom Shares          
Share-based Compensation Arrangement by Share-based Payment Award          
Compensation expense     1,200,000 1,000,000 1,000,000
Value of award received     $ 110,000 $ 110,000 $ 110,000