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Stock-Based Compensation - Narrative (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Mar. 18, 2024
Jan. 31, 2024
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2021
installment
$ / shares
shares
Dec. 31, 2018
offering_period
shares
Dec. 31, 2014
shares
Oct. 03, 2018
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock shares reserved for future issuance (in shares) | shares     48,778,582 46,969,237          
Stock-based compensation expense     $ 68,391 $ 74,195 $ 75,501        
Intrinsic value of options exercised     $ 8,000 $ 5,400 6,600        
Weighted-average grant-date fair value of options granted (in dollars per share) | $ / shares           $ 19.19      
Granted (in shares) | shares     0 0          
Share-based payment arrangement, expense, tax benefit     $ 12,800 $ 0 0        
Options                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock shares reserved for future issuance (in shares) | shares     2,392,899 3,260,914          
Expected dividend rate     0.00%            
Stock-based compensation expense     $ 1,300 $ 5,100 11,400        
RSU's                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock-based compensation expense         $ 59,700        
Unrecognized stock-based compensation, excluding options     $ 86,200            
Unrecognized stock-based compensation cost, weighted average period of recognition (in years)     2 years 2 months 12 days            
Granted (in dollars per share) | $ / shares     $ 11.90 $ 11.73 $ 19.66        
Fair value of awards vested     $ 66,200 $ 61,900 $ 57,400        
PSU's                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement by share-based payment award, award performance period (in months) 23 months                
Share-based compensation arrangement by share-based payment award, award requisite service period (in months) 35 months                
PSU's | Target One                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting percentage (as percent) 50.00%                
PSU's | Target Two                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting percentage (as percent) 50.00%                
Employee Stock                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock-based compensation expense     $ 2,600 $ 5,000 4,500        
Common shares available for issuance (in shares) | shares   1,098,182              
Restricted Stock Units (RSUs) and Performance Shares                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock shares reserved for future issuance (in shares) | shares     8,841,716 10,348,892          
Stock-based compensation expense     $ 66,200 $ 65,100          
2014 Equity Incentive Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for grant (in shares) | shares               12,462,985  
Grant price, threshold of fair value price must meet (as percent)               100.00%  
Vesting period (in years)               4 years  
Expiration period (in years)               10 years  
2018 Equity Incentive Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for grant (in shares) | shares   6,863,637              
Common stock shares reserved for future issuance (in shares) | shares     27,152,973 23,342,093         10,701,505
Offering period (in months)             24 months    
Common shares available for issuance (in shares) | shares     657,526            
CEO Award                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Expected dividend rate           0.00%      
CEO Award | CEO                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercisable shares (in shares) | shares           1,500,000      
Number of installments | installment           16      
Market Condition vesting period (in days)           90 days      
Stock-based compensation expense     $ 1,300 $ 5,100 11,000        
Expected term (in years)           2 years 1 month 6 days      
2018 Employee Incentive Plan - PSU Award | PSU's                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period (in years)       4 years          
2018 Employee Incentive Plan - PSU Award | PSU's | Target One                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period (in years)       1 year          
Vesting percentage (as percent)       25.00%          
2018 Employee Incentive Plan - PSU Award | PSU's | Target Two                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting percentage, quarterly       6.25%          
2018 Employee Incentive Plan - PSU Award | PSU's | Members of the Companies Leadership                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock-based compensation expense     3,100 $ 2,400 $ 4,400        
Unrecognized stock-based compensation, excluding options     $ 5,500            
Unrecognized stock-based compensation cost, weighted average period of recognition (in years)     2 years 1 month 6 days            
Granted (in dollars per share) | $ / shares     $ 12.06 $ 11.72 $ 24.49        
2018 Employee Stock Purchase Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock shares reserved for future issuance (in shares) | shares     4,694,949 4,254,293     1,700,000    
Expected dividend rate     0.00% 0.00% 0.00%        
Unrecognized stock-based compensation, excluding options     $ 1,500            
Number of shares approved (in shares) | shares             20,400,000    
Discount on share at purchase date from original option price             15.00%    
Offering period (in months)             24 months    
Number of offering periods in ESPP (in months) | offering_period             4    
Length of offering period (in months)             6 months    
Common stock percentage of purchase price (as percent)             85.00%