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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
 9 Months Ended
Sep. 30, 2022
Jan. 01, 2022
Dec. 31, 2021
Summary Of Significant Accounting Policies [Line Items]      
Realized gains or losses on investments $ 0    
Other-than-temporary losses 0    
Operating lease right-of-use asset 403,000    
Operating lease liability, current 168,000    
Accumulated deficit $ (290,641,000)   $ (213,217,000)
ASC 842      
Summary Of Significant Accounting Policies [Line Items]      
Change in accounting principle, accounting standards update, adopted [true false] true    
Change in accounting principle, accounting standards update, adoption date Jan. 01, 2022    
Operating lease right-of-use asset   $ 200,000  
Operating lease liability, current   200,000  
Accumulated deficit   $ 0