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Stockholders'/Members' Equity (Deficit) - Additional Information (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2020 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Jul. 31, 2020 | Dec. 31, 2019
Class Of Stock [Line Items] |  |  |  |  |  |
Beginning balances | $ 209,974,000 | $ 195,916,000 | $ (57,615,000) | $ 209,974,000 |  | $ (56,011,000)
Payment of initial public offering costs |  | $ (1,911,000) | 0 |  |  |
Common stock, shares issued (in shares) | 32,171,560 | 32,171,560 |  | 32,171,560 | 6,220,050 |
Stock-based compensation |  | $ 4,643,000 | $ 0 |  |  |
Total number of common shares reserved for issuance | 6,122,181 | 7,778,207 |  | 6,122,181 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent |  |  |  | 15.00% |  |
Common Stock Capital Shares Reserved For Future Issuance | 6,122,181 | 7,778,207 |  | 6,122,181 |  |
Equity Option |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount |  |  |  |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  | 3 years 8 months 12 days |  |  |  |
Share-based Payment Arrangement, Plan Modification, Number of Shares |  | 7,747 |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value |  | $ 46.39 |  |  |  |
Restricted Stock Units and Stock Options |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Common stock, shares issued (in shares) | 2,535,143 | 2,561,143 |  | 2,535,143 |  |
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount |  |  |  |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  | 2 years 8 months 12 days |  |  |  |
Share-based Payment Arrangement, Plan Modification, Number of Shares |  | 138,461 |  |  |  |
2020 Equity Incentive Plan [Member] |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Total number of common shares reserved for issuance | 4,939,678 | 6,226,540 |  | 4,939,678 |  |
Shares available for awards, description |  | On January 1st of each year, commencing with the first January 1st following the effective date of the 2020 Plan, the shares available for awards under the 2020 Plan shall be increased by a number of shares equal to the lesser of 4% of the total number of shares outstanding on the immediately preceding December 31st and such lesser number of shares determined by the Company’s board of directors. |  |  |  |
Vesting percentage |  | 25.00% |  |  |  |
Vesting period |  | 36 months |  |  |  |
Vesting terms, description |  | Awards under the 2020 Plan generally vest at 25% one year from the vesting commencement date and ratably each month thereafter for a period of 36 months, subject to continuous service. |  |  |  |
Common Stock Capital Shares Reserved For Future Issuance | 4,939,678 | 6,226,540 |  | 4,939,678 |  |
Employees Stock Purchase Plan [Member] |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Total number of common shares reserved for issuance | 464,829 | 833,993 |  | 464,829 |  |
Common Stock Capital Shares Reserved For Future Issuance | 464,829 | 833,993 |  | 464,829 |  |
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Outstanding Stock Maximum |  | 1.00% |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period |  | 929,658 |  |  |  |
Class B Units |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Beginning balances | $ 0 | $ 0 |  | $ 0 |  |
Common stock, shares issued (in shares) | 1,492,059 | 1,492,059 |  | 1,492,059 |  |
Vesting period |  | 4 years |  |  |  |
IPO [Member] |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Sale of stock issued in transaction | 12,075,000 |  |  |  |  |
Sale of stock price per share | $ 18.00 |  |  | $ 18.00 |  |
Payment of initial public offering costs | $ 198,300,000 |  |  |  |  |
Common stock, shares issued (in shares) | 13,876,510 |  |  | 13,876,510 |  |
IPO [Member] | Convertible Preferred Stock [Member] |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion | 199,791,519 |  |  | 199,791,519 |  |
IPO [Member] | Class B Units |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |
Common stock, shares issued (in shares) | 1,492,059 |  |  | 1,492,059 |  |

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