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Stockholders' Equity - 2017 Stock Plan and 2020 Equity Incentive Plan (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jan. 01, 2022
Jan. 31, 2022
Jan. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2022
Common Class A                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock issued during period, shares, employee stock purchase plans (in shares)       0 0 0 0 393,528
Stock options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Expiration period (in years)               10 years
Common stock issuable under the ESPP                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Automatic percentage increase of authorized shares   1.00%            
Employee payroll deductions               $ 0.3
Common stock issuable under the ESPP | Common Class A                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common stock, capital shares reserved for future issuance (in shares)     4,000,000         6,047,919
Number of shares available for grant (in shares)               5,654,391
Number of shares benchmark (in shares)   12,000,000            
Class A common stock automatically added to the reserve (in shares) 2,047,919              
Purchase price of common stock, percent     85.00%         85.00%
Maximum | Common stock issuable under the ESPP                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Offering period     27 months          
2020 Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common stock, capital shares reserved for future issuance (in shares)     21,000,000         33,101,677
Percentage increase in authorized shares of common stock     5.00%          
Number of shares available for grant (in shares)               10,963,031
Class A common stock automatically added to the reserve (in shares) 10,239,599              
Stock Plan, 2017                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of additional shares authorized (in shares)     19,000,000          
Number of authorized shares transferred between plans (in shares)     1,862,078          
Number of shares available for grant (in shares)               0