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Stockholders' Equity (Deficit) - Additional Information (Details) - USD ($) |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 16, 2020 | Apr. 01, 2019 | Jun. 30, 2020 | Jun. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Jan. 31, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Common stock shares authorized | 400,000,000 |  | 400,000,000 | 400,000,000 | 400,000,000 | 52,042,000 |
Preferred stock undesignated shares authorized | 40,000,000 |  | 40,000,000 | 40,000,000 | 40,000,000 | 0 |
Common stock par value per share | $ 0.0001 |  | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 |
Preferred stock par value per share | $ 0.0001 |  | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 |
Reclassified accumulated deficit from predecessor deficit to additional paid in capital |  | $ 44,100,000 |  |  |  |  |
Time-based Options |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized compensation cost |  |  | $ 10,500,000 | $ 10,500,000 | $ 10,500,000 |  |
Weighted-average period of unrecognized compensation cost |  |  |  |  | 3 years 6 months |  |
2013 Equity Incentive Plan |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Units initially reserved for issuance |  |  |  |  |  |  | 2,127,013
Increased to number of shares reserved under plan |  |  |  |  |  | 4,771,615 |
Number of remaining shares available for issuance |  |  |  |  | 0 |  |
2013 Equity Incentive Plan | Maximum |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Expiration period |  |  |  |  | 10 years |  |
2020 Incentive Award Plan |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Number of remaining shares available for issuance |  |  | 3,790,970 |  |  |  |
Shares of common stock initially reserved for issuance |  |  | 3,900,000 | 3,900,000 | 3,900,000 |  |
Percentage of shares of common stock outstanding on final day of immediately preceding calendar year |  |  | 5.00% | 5.00% | 5.00% |  |
2020 Incentive Award Plan | Maximum |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Expiration period |  |  |  |  | 10 years |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Shares of common stock initially reserved for issuance |  |  | 325,000 | 325,000 | 325,000 |  |
Participant maximum contribution as percentage of eligible compensation |  |  | 15.00% | 15.00% | 15.00% |  |
Percentage of purchase price of shares of lower of fair market value |  |  | 85.00% |  |  |  |
Shares issued under ESPP |  |  |  |  | 0 |  |
Employee Stock Purchase Plan | Accounts Payable and Accrued Liabilities |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Outstanding liability |  |  | $ 41,838 | $ 41,838 | $ 41,838 |  |
Series A Convertible Preferred Stock |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Preferred unit converted into convertible preferred stock |  | 1 |  |  |  |  |
Series B Convertible Preferred Stock |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Preferred unit converted into convertible preferred stock |  | 1 |  |  |  |  |
Common Stock |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Convertible preferred stock converted into shares of common stock |  |  |  | 17,921,000 |  |  |
Common unit converted into common stock |  | 1 |  |  |  |  |
IPO |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Convertible preferred stock converted into shares of common stock | 17,921,069 |  |  |  |  |  |
IPO | Common Stock |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Common stock shares authorized | 400,000,000 |  |  |  |  |  |
Convertible preferred stock converted into shares of common stock |  |  | 17,921,069 |  |  |  |

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