v3.25.4
EQUITY - Equity-Based Compensation, Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
USD ($)
day
$ / shares
shares
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
day
$ / shares
shares
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Stock-based compensation expense | $ $ 19,928 $ 7,104 $ 30,593 $ 38,545 $ 45,310 $ 13,450,000
Number of trading days (in days) | day 10   10      
Share-Based Payment Arrangement, Tranche One            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share price (in dollars per share) $ 32.50   $ 32.50      
Share-Based Payment Arrangement, Tranche Two            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share price (in dollars per share) 42.25   42.25      
Share-Based Payment Arrangement, Tranche Three            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share price (in dollars per share) 52.75   52.75      
Share-Based Payment Arrangement, Tranche Four            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share price (in dollars per share) $ 63.00   $ 63.00      
Service and Performance-Based RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Stock-based compensation expense | $ $ 11,000   $ 11,000      
Market-Based RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Shares granted, weighted average grant date fair value (in usd per share)     $ 21.87      
Number of shares granted in period (in shares) | shares     2,133,961      
Market-Based RSUs | Share-Based Payment Arrangement, Tranche One            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Award vesting percentage     25.00%      
Market-Based RSUs | Share-Based Payment Arrangement, Tranche Two            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Award vesting percentage     25.00%      
Market-Based RSUs | Share-Based Payment Arrangement, Tranche Three            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Award vesting percentage     25.00%      
Market-Based RSUs | Share-Based Payment Arrangement, Tranche Four            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Award vesting percentage     25.00%      
Common Class A            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Number of shares vested (in shares) | shares 1,599,216