Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Additional Information (Details)

v3.21.1
Common Stock - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
Oct. 23, 2019
Oct. 31, 2019
Mar. 31, 2021
Mar. 31, 2020
Jan. 01, 2021
Dec. 31, 2020
Oct. 30, 2019
Jan. 31, 2019
Class Of Stock [Line Items]                
Common stock, authorized shares     150,000,000     150,000,000    
Non-voting common stock, Terms of conversion   Each share of the Company’s non-voting common stock may be converted at any time into one share of common stock at the option of its holder by providing 61 days written notice to the Company            
Unrecognized compensation cost related to unvested stock-based awards     $ 17,450          
Unrecognized compensation cost, period for recognition     3 years 2 months 12 days          
2019 Plan                
Class Of Stock [Line Items]                
Shares reserved for issuance 2,342,288       962,511      
Increase in share reserved percentage 4.00%              
Share-based compensation, number of shares available for grant       2,173,804        
2019 ESPP                
Class Of Stock [Line Items]                
Shares reserved for issuance 234,229       234,229      
Minimum | 2019 ESPP                
Class Of Stock [Line Items]                
Shares reserved for issuance               234,229
Increase in share reserved percentage 1.00%              
Payroll deduction percentage of eligible compensation     15.00%          
Employee stock purchase plan maximum annual rights to purchase common stock     $ 25          
Percentage of shares to be purchased     85.00%          
Stock Options | 2018 Plan                
Class Of Stock [Line Items]                
Share-based compensation unvested number of shares       0        
Number of options granted       1,959,411        
Stock Options | 2019 Plan                
Class Of Stock [Line Items]                
Number of options granted     1,108,233          
Weighted average grant-date fair value of stock options granted     $ 7.93 $ 9.44        
Stock Options | Minimum | 2018 Plan                
Class Of Stock [Line Items]                
Share-based compensation, vesting period       3 years        
Stock Options | Maximum | 2018 Plan                
Class Of Stock [Line Items]                
Share-based compensation, vesting period       4 years        
Voting Common Stock                
Class Of Stock [Line Items]                
Common stock, authorized shares     143,590,481     143,590,481 143,590,481  
Non-voting Common Stock                
Class Of Stock [Line Items]                
Common stock, authorized shares     6,409,519     6,409,519 6,409,519