XML 169 R66.htm IDEA: XBRL DOCUMENT v3.24.3
Stock-Based Compensation Expense - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Restricted stock units granted (in shares)   20,358  
Employee Stock Option      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Options granted in period (in shares) 0 401,535  
Compensation cost not yet recognized $ 13.2    
Compensation cost not yet recognized, period of recognition 1 year 10 months 24 days    
Stock-Settled Performance-Based Restricted Stock Units      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Stock units granted in period (in shares)   286,863  
Compensation cost not yet recognized $ 17.5    
Compensation cost not yet recognized, period of recognition 1 year 10 months 24 days    
Award vesting period 1 year    
Stock-Settled Performance-Based Restricted Stock Units | Maximum      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Stock units granted in period (in shares) 364,810    
Cash-Settled Performance-Based Share-Based Awards (Liability Awards)      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Target cash incentive $ 1.6 $ 1.3  
Compensation cost not yet recognized $ 3.8    
Compensation cost not yet recognized, period of recognition 1 year 9 months 18 days    
Fair value of awards $ 4.1   $ 3.4
Cash-Settled Performance-Based Share-Based Awards (Liability Awards) | Maximum      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Target cash incentive $ 4.4 $ 4.6  
Multiplying factor 250.00% 250.00%  
Restricted Stock Units      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Restricted stock units granted (in shares) 158,719    
Compensation cost not yet recognized $ 9.1    
Compensation cost not yet recognized, period of recognition 3 years 1 month 6 days    
Restricted Stock Units | Employee      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Award vesting period 4 years    
Restricted Stock Units | Non-employee members      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Award vesting period 1 year