v3.25.4
STOCKHOLDERS’ EQUITY (DEFICIT) - Additional Information (Detail)
$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended
May 31, 2025
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
Dec. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares of common stock reserved for future issuance under stock options (in shares)   16,891,503      
Employee stock purchase plan, offering period (in months)         6 months
Preferred stock, shares authorized (in shares)   5,000,000 5,000,000    
Preferred stock, par value (in dollars per share) | $ / shares   $ 0.01 $ 0.01    
Preferred stock, shares issued (in shares)   0 0    
Preferred stock, shares outstanding (in shares)   0 0    
Stock Incentive Plan 2018          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock incentive plan, additional shares authorized (in shares) 7,000,000        
Performance-based restricted stock units | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period (in years)   1 year      
Performance-based restricted stock units | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period (in years)   3 years      
Performance-based restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Aggregate intrinsic value of stock option exercised | $   $ 37.1 $ 22.5 $ 9.7  
Time-based stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average fair value of stock options granted (in dollars per share) | $ / shares   $ 124.07 $ 79.39 $ 96.53  
Aggregate intrinsic value of stock option exercised | $   $ 366.3 $ 273.2 $ 107.0  
Option vesting percentage on the first anniversary of grant date   25.00%      
Option vesting percentage at the end of each successive three-month period   6.25%      
Not Full Value Award          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares counted against share pool (in shares)   1      
Employee Stock Option          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares of common stock reserved for future issuance under stock options (in shares)   3,487,323      
Equity awards, term (in years)   10 years      
Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period (in years)   3 years      
Shares of common stock reserved for future issuance under stock options (in shares)   2,515,120      
RSU's vesting percentage at the end of each successive anniversaries   0.33      
Additional Equity Awards Available for Future Grant          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares of common stock reserved for future issuance under stock options (in shares)   10,514,222      
Employee Stock Purchase Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares of common stock reserved for future issuance under stock options (in shares)   374,838      
Stock incentive plan, shares authorized (in shares)         1,965,789
Employee stock purchase plan, purchase price as a percentage of common stock closing price         85.00%
Employee stock purchase plan, shares issued (in shares)   92,868 140,161    
Full Value Award          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares counted against share pool (in shares)   1.5