401 (k) Savings Plan - Additional Information (Details) - USD ($) $ in Thousands  | 
12 Months Ended | |
|---|---|---|
Dec. 31, 2020  | 
Dec. 31, 2019  | 
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| Compensation And Retirement Disclosure [Abstract] | ||
| Defined contribution plan, contribution amount | $ 203 | $ 74 | 
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 3.00% | |
| Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 4.00% | |
| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available. 
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| X | ||||||||||
- Definition Percentage employer matches of the employee's percentage contribution matched. No definition available. 
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