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Stock Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense $ 4.7 $ 4.2 $ 14.2 $ 12.1
Income tax benefit recognized     $ 5.6 $ 4.7
RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant date fair value (in dollars per share)     $ 20.79 $ 22.80
Aggregate fair value of equity instruments vested during the period     $ 11.5 $ 8.7
Unrecognized compensation expense 23.4   $ 23.4  
Weighted average period over which unrecognized compensation expense is expected to be recognized     2 years 1 month 6 days  
RSUs | Employees | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     3 years  
RSUs | Employees | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     4 years  
RSUs | Directors        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     1 year  
PRSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant date fair value (in dollars per share)     $ 0 $ 22.28
Vesting period     3 years  
Aggregate fair value of equity instruments vested during the period     $ 15.1 $ 7.1
Unrecognized compensation expense 0.8   $ 0.8  
Weighted average period over which unrecognized compensation expense is expected to be recognized     8 months 12 days  
Number of consecutive trading days required to earn PRSUs     20 days  
Performance period     5 years  
PSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant date fair value (in dollars per share)     $ 21.12 $ 24.69
Aggregate fair value of equity instruments vested during the period     $ 0.1 $ 6.7
Unrecognized compensation expense $ 8.3   $ 8.3  
Weighted average period over which unrecognized compensation expense is expected to be recognized     2 years 1 month 6 days  
Performance period     3 years  
Settlement date, period following performance period     60 days  
Class A Common Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized for issuance (in shares) 16,800,000   16,800,000  
Class A Common Stock | PRSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Contingent right to receive common stock, number of shares receivable for each PSU (in shares) 1   1  
Class A Common Stock | PSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Contingent right to receive common stock, number of shares receivable for each PSU (in shares) 1   1  
Class A Common Stock | PSUs | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     0.00%  
Class A Common Stock | PSUs | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     150.00%