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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Jan. 01, 2021
Dec. 31, 2020
Dec. 31, 2019
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]        
Liquid investments maturity period 90 days      
Impairment of property and equipment $ 0   $ 0 $ 0
Options granted, maximum contractual term 10 years      
Right-of-use assets $ 11,800,000      
Lease liabilities 12,441,000      
Adjustment to opening balance of accumulated deficit $ (245,108,000)   $ (166,393,000)  
ASC 842        
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]        
Change in accounting principle, accounting standards update, early adoption true      
Change in accounting principle, accounting standards update, early adoption false      
Right-of-use assets   $ 1,700,000    
Lease liabilities   2,500,000    
Change in accounting principle, accounting standards update, adoption date Jan. 01, 2021      
Change in accounting principle, accounting standards update, adopted true      
ASC 842 | Cumulative Effect, Period of Adoption, Adjustment        
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]        
Adjustment to opening balance of accumulated deficit   $ 0    
ASU No. 2016-13        
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]        
Change in accounting principle, accounting standards update, early adoption true      
Change in accounting principle, accounting standards update, early adoption true      
Minimum        
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]        
Estimated useful lives of related assets 3 years      
Maximum        
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]        
Estimated useful lives of related assets 7 years