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Stock-Based Compensation Expense - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options granted in period (in shares)     327,294 168,606
Compensation cost not yet recognized $ 23.6   $ 23.6  
Compensation cost not yet recognized, period of recognition     2 years 4 months 24 days  
Stock-Settled Performance-Based Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation cost not yet recognized 14.1   $ 14.1  
Compensation cost not yet recognized, period of recognition     2 years 2 months 12 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)     286,863 120,710
Cash-Settled Performance-Based Share-Based Awards (Liability Awards)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Target cash incentive     $ 1.3 $ 1.0
Compensation cost not yet recognized $ 4.3   $ 4.3  
Compensation cost not yet recognized, period of recognition     2 years 1 month 6 days  
Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock units granted (in shares) 20,358 30,500    
Compensation cost not yet recognized $ 1.5   $ 1.5  
Award vesting period     1 year