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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Summary Of Significant Accounting Policies [Line Items]        
Amortization expense for cloud computing arrangements $ 0 $ 0 $ 0 $ 0
Restricted cash $ 852,000 $ 0 $ 852,000 $ 0
ASU 2019-02        
Summary Of Significant Accounting Policies [Line Items]        
Change In Accounting Principle Accounting Standards Update Adopted true   true  
Change In Accounting Principle Accounting Standards Update Adoption Date Jan. 01, 2021   Jan. 01, 2021  
Change In Accounting Principle Accounting Standards Update Immaterial Effect true   true