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Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Sep. 24, 2020
shares
Dec. 31, 2020
USD ($)
Segment
Dec. 31, 2019
USD ($)
shares
Sep. 30, 2020
shares
Sep. 29, 2020
shares
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Impairment losses   $ 0 $ 0    
Shares outstanding | shares     117,809,883 0 0
Accounts payable, related parties   $ 0 $ 104,000    
Number of operating segment | Segment   1      
Accounting Standards Update 2018-13          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Change in accounting principle, accounting standards update, adopted   true      
Change in accounting principle, accounting standards update, adoption date   Jan. 01, 2020      
Change in accounting principle, accounting standards update, immaterial effect   true      
General and Administrative          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Related party transaction, costs incurred   $ 657,000 $ 468,000    
Initial Public Offering          
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]          
Convertible preferred stock converted into common stock | shares 13,085,913