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Summary of Significant Accounting Policies - Additional Information (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
Segment
Dec. 31, 2020
USD ($)
Summary Of Significant Accounting Policies [Line Items]    
Number of operating segment | Segment 1  
Allowance for losses on available-for-sale debt securities $ 0 $ 0
Property and equipment, estimated useful lives description Depreciation and amortization are computed using the straight-line method over the estimated useful lives of the respective assets, generally three to five years.  
Impairment of indefinite-lived intangible assets $ 0  
Finite-lived intangible assets, amortization method description Amortization is computed using the straight-line method over the estimated useful lives of the respective finite-lived intangible assets, generally seven to 15 years.  
Minimum [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Property and equipment, estimated useful life 3 years  
Finite-lived intangible asset, estimated useful life 7 years  
Maximum    
Summary Of Significant Accounting Policies [Line Items]    
Property and equipment, estimated useful life 5 years  
Finite-lived intangible asset, estimated useful life 15 years