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Share-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common stock, shares issued |  | 19,931,660 | 13,788,982
ESPP Purchases |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of common shares issuable under the plan (in shares) | 225,188 |  |
Percentage of increase in number of shares of capital stock issued and outstanding | 1.00% |  |
Percent of purchase shares of common stock | 85.00% |  |
First offering period | 6 months |  |
Commencement date of first six month offering period | Jan. 01, 2020 |  |
Second offering period | 6 months |  |
Commencement date of second six month offering period | Jul. 01, 2020 |  |
Common stock, shares issued |  | 7,272 |
Number of shares of common stock available for issuance under ESPP |  | 355,806 |
2019 Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of common shares issuable under the plan (in shares) |  | 2,844,193 |
Percentage of increase in number of shares of capital stock issued and outstanding |  | 4.00% |
Common stock reserved and available for issuance as future option grants |  | 1,433,991 |
Vesting period |  | 4 years |
Percentage of option vesting |  | 25.00% |
Terms of award |  | The Board determines the period over which options become exercisable and options generally vest over a four-year period, with 25% of options vesting on the first anniversary of employment, and thereafter, the remaining options vesting quarterly, over the following 36-month period. The options will expire within ten years from the date of grant. |
Remaining option vesting period |  | 36 months |
Expiration period |  | 10 years |
Unrecognized stock option granted under plan |  | $ 13.5 |
Unrecognized weighted average period |  | 2 years 6 months |
2020 Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Estimated total grant date fair value of options vested |  | $ 800,000 |
Weighted average fair value options granted |  | $ 21.88 | $ 2.90
Maximum | ESPP Purchases |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Period for increase in number of shares of common stock reserved for issuance | 10 years |  |
Maximum | 2019 Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Period for increase in number of shares of common stock reserved for issuance |  | 10 years |

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