Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Restricted Stock Units (Details)

v3.21.2
Stock Based Compensation - Restricted Stock Units (Details) - $ / shares
1 Months Ended 9 Months Ended
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2021
Unvested restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding as of December 31, 2020    
Granted     1,670,961
Outstanding as of September 30, 2021 1,670,961   1,670,961
Outstanding as of December 31, 2020    
Granted     7.19
Outstanding as of September 30, 2021 $ 7.19   $ 7.19
2013 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     4 years
2013 Equity Incentive Plan | Unvested restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted   289,047  
Granted   $ 8.04  
2021 Equity Incentive Plan | Unvested restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted 1,381,914    
Granted $ 7.01    
2021 Equity Incentive Plan | Unvested restricted stock units | Scenario one      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     4 years
2021 Equity Incentive Plan | Unvested restricted stock units | Scenario two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     3 years
Vesting Provision I | 2021 Equity Incentive Plan | Unvested restricted stock units | Scenario one      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage     25.00%
Vesting Provision I | 2021 Equity Incentive Plan | Unvested restricted stock units | Scenario two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage     33.33%
Vesting Provision II | 2021 Equity Incentive Plan | Unvested restricted stock units | Scenario one      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     3 years
Vesting Provision II | 2021 Equity Incentive Plan | Unvested restricted stock units | Scenario two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     2 years