v3.25.4
EQUITY - Equity Incentive Plans, Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Sep. 12, 2025
Dec. 31, 2023
Dec. 31, 2018
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                
Incremental equity-based compensation expense from plan modification $ 0.0 $ 1.6 $ 0.7 $ 5.2        
2018 Plan                
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                
Number of shares authorized (in shares)               52,346,283
Number of shares issued gross of forfeiture (in shares) 52,291,738   52,291,738   48,861,380   32,645,381  
Incremental equity-based compensation expense from plan modification         $ 6.8      
Award modification, options granted, exercise price reduction, shares (in shares)         6,308,708      
Options exercisable, weighted average exercise price (in usd per share)         $ 4.82   $ 6.69  
Award modification, reduction of exercise price for options granted, incremental compensation expense         $ 3.3      
2024 Plan                
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                
Number of shares authorized (in shares)         4,635,234      
Number of shares issued gross of forfeiture (in shares) 3,212,647   3,212,647   2,866,299      
2025 Plan                
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                
Number of shares authorized (in shares)           22,985,926