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Stock-Based Compensation Expense - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Employee Stock Option      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Options granted in period (in shares) 0 0  
Compensation cost not yet recognized $ 9.0    
Compensation cost not yet recognized, period of recognition 1 year 6 months    
Stock-Settled Performance-Based Restricted Stock Units      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Compensation cost not yet recognized $ 38.8    
Compensation cost not yet recognized, period of recognition 1 year 9 months 18 days    
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) 290,120 364,810  
Cash-Settled Performance-Based Share-Based Awards (Liability Awards)      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Compensation cost not yet recognized $ 7.1    
Compensation cost not yet recognized, period of recognition 1 year 10 months 24 days    
Fair value of awards $ 3.8   $ 5.1
Cash-Settled Performance-Based Share-Based Awards (Liability Awards) | CEO      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Target cash incentive 1.7 $ 1.6  
Cash-Settled Performance-Based Share-Based Awards (Liability Awards) | Maximum      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Target cash incentive $ 4.8 $ 4.5  
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) 109,515 134,553  
Compensation cost not yet recognized $ 31.4    
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