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EMPLOYEE STOCK PURCHASE PLAN, STOCK OPTIONS AND WARRANTS - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted in period (in shares) 0 0 444
Compensation cost not yet recognized $ 4.4    
Compensation cost not yet recognized, period of recognition 1 year 2 months 12 days    
Fair value of options, net of forfeitures     $ 13.1
Options granted in period, weighted average grant date fair value (in dollars per share)     $ 29.58
Performance-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Compensation cost not yet recognized $ 27.4    
Compensation cost not yet recognized, period of recognition 1 year 1 month 6 days    
Vested (in shares) 98 47 61
Forfeited (in shares) 56    
Performance-based restricted stock units | rTSR | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Multiplying factor 75.00%    
Performance-based restricted stock units | rTSR | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Multiplying factor 125.00%    
Cash-settled performance-based awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Target cash incentive $ 1.7 $ 1.6 $ 1.3
Liabilities associated with awards 3.9    
Compensation cost not yet recognized $ 0.3    
Compensation cost not yet recognized, period of recognition 1 year 7 months 6 days    
Amount paid in connection with liability awards $ 2.5 1.3 1.7
Fair value of options, net of forfeitures 3.3    
Cash-settled performance-based awards | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Target cash incentive $ 0.4 $ 0.5 $ 4.6
Multiplying factor 250.00%    
Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation cost not yet recognized $ 26.5    
Compensation cost not yet recognized, period of recognition 2 years 4 months 24 days    
Vested (in shares) 95 20 31
Forfeited (in shares) 21    
Restricted stock units | Non-employee members      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
Restricted stock units | Employee | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Restricted stock units | Employee | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 4 years    
2018 Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant (in shares) 1,900    
2018 Incentive Plan | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period 7 years    
2018 Incentive Plan | Employee Stock Option | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
2018 Incentive Plan | Employee Stock Option | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 5 years    
2018 Incentive Plan | Performance-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
2018 Incentive Plan | Restricted stock units | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
2018 Incentive Plan | Restricted stock units | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 4 years    
ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Purchase price for ESPP, percent of market price 95.00%    
Shares available for grant (in shares) 58