Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Narrative (Details)

v3.21.2
Stock-Based Compensation - Narrative (Details)
9 Months Ended
Sep. 30, 2021
plan
shares
Dec. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation, number of plans | plan 2  
Stock-based compensation, award vesting period 4 years  
Stock-based compensation, expiration period 10 years  
Stock-based compensation, outstanding number of shares (in shares) 2,344,000 3,489,000
2011 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation, outstanding number of shares (in shares) 41,000  
2014 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation, outstanding number of shares (in shares) 2,300,000  
2021 Equity Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation, number of shares authorized (in shares) 15,000,000  
Number of additional shares authorized 13,100,000  
2021 ESPP    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation, number of shares authorized (in shares) 3,000,000