v3.25.2
Revenue - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disaggregation of Revenue [Line Items]          
Unbilled receivables for performance-based enrollment fees $ 12.5   $ 12.5   $ 20.9
Accrued payments for revenue share 27.7   27.7   $ 29.8
Revenue recognized that was previously deferred 5.2 $ 8.6 $ 46.8 $ 43.5  
Two Customers | Accounts receivable and unbilled receivables | Customer concentration risk          
Disaggregation of Revenue [Line Items]          
Revenue percent         74.60%
Accounts receivable and unbilled receivables         $ 17.6
Three Customers | Accounts receivable and unbilled receivables | Customer concentration risk          
Disaggregation of Revenue [Line Items]          
Revenue percent     96.00%    
Accounts receivable and unbilled receivables $ 9.7   $ 9.7