XML 80 R70.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Feb. 10, 2021
Feb. 09, 2021
Mar. 31, 2022
Mar. 31, 2021
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expected dividend yield     0.00% 0.00%  
Unrecognized compensation cost     $ 29.2    
Unrecognized compensation cost, period for recognition, years     3 years 6 months    
Employee stock option          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options to purchase common stock, vested (in shares) 829,547        
Granted (in shares)     0    
Exercised (in shares)     342,661    
Fair value of options vested     $ 2.5 $ 2.1  
Weighted average grant date fair value, options granted (in dollars per share)       $ 4.63  
Restricted stock units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vested (in shares) 288,494   198,918    
Fair value of options vested     $ 4.5 $ 1.4  
Number of outstanding and fully vested restricted stock units, unsettled (in shares)     1,191,088    
Stock Options and Restricted Stock Unit Awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Impact of acceleration of vesting of awards     $ 3.1    
Performance Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vested (in shares)     0    
Derived service period     1 year 10 months 17 days    
2018 Equity incentive plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized for issuance (in shares)         6,287,687
2021 equity and incentive compensation plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized for issuance (in shares)   4,262,364      
Expiration period   10 years      
Increase in shares authorized as percent of outstanding shares of common stock   4.00%      
Granted (in shares)     378,108