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Stock Based Compensation - Stock Compensation Plans (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Jun. 30, 2022
$ / shares
Dec. 31, 2024
USD ($)
installment
$ / shares
shares
Dec. 31, 2023
USD ($)
shares
Mar. 31, 2024
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock-based compensation | $       $ 40,794,000 $ 33,163,000  
Number of equal annual vesting installments | installment       3    
Options outstanding, number of underlying shares (in shares) | shares 1,578,000     1,578,000   1,578,000
Employees and Non-Employee Directors            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock-based compensation | $ $ 10,700,000 $ 8,300,000   $ 36,200,000 28,600,000  
Unrecognized compensation costs | $ 62,400,000     $ 62,400,000    
Unrecognized compensation costs, period for recognition       2 years 1 month 2 days    
Marketing and Consulting Partners            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unrecognized compensation costs | $ 65,800,000     $ 65,800,000    
Unrecognized compensation costs, period for recognition       9 years 7 months 17 days    
Share based compensation | $ $ 1,900,000 $ 2,200,000   $ 5,600,000 $ 7,000,000.0  
Stock option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Contractual term       10 years    
Deferred Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options outstanding, number of underlying shares (in shares) | shares 1,000,000     1,000,000    
Performance Based Restricted Stock Units, Granted in Fiscal 2025            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based compensation | $ $ 1,000,000     $ 2,300,000    
Performance Based Restricted Stock Units, Granted in Fiscal 2024 and Fiscal 2023            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based compensation | $ $ 0     0    
2005 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Fair value of stock awards | $       $ 150,000    
Vesting percentage 100.00%     100.00%    
2005 Plan | Class A Common Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant (in shares) | shares 8,300,000     8,300,000    
2005 Plan | Common Class C            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant (in shares) | shares 28,300,000     28,300,000    
2005 Plan | Performance Based Restricted Stock Units | Certain Executives and Key Employees            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares granted (in shares) | shares       2,300,000    
2005 Plan | Performance Based Restricted Stock Units | President and CEO            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based compensation | $ $ 500,000     $ 1,200,000    
Shares granted (in shares) | shares       2,000,000    
Shares granted (in dollars per share) | $ / shares       $ 4.13    
2005 Plan | Performance Based Restricted Stock Units, Granted in Fiscal 2025 | Certain Executives and Key Employees            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares granted (in dollars per share) | $ / shares       $ 6.85    
2005 Plan | Performance Based Restricted Stock Units, Granted in Fiscal 2024 | Certain Executives and Key Employees            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares granted (in dollars per share) | $ / shares           $ 6.93
2005 Plan | Performance Based Restricted Stock Units, Granted in Fiscal 2023 | Certain Executives and Key Employees            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares granted (in dollars per share) | $ / shares     $ 9.13      
2005 Plan | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period (over)       2 years    
2005 Plan | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period (over)       5 years    
Director Compensation Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Fair value of stock awards | $       $ 100,000    
Obligation to issue share (in shares) | shares 1     1    
Period shares delivered following termination of director's service       6 months    
ESPPs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
ESPP discount rate from fair market value       15.00%    
ESPPs | Class A Common Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant (in shares) | shares 2,700,000     2,700,000    
ESPPs | Common Class C            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant (in shares) | shares 2,300,000     2,300,000    
ESPP shares granted during period (in shares) | shares 100,000 100,000   300,000 400,000