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Summary of Significant Accounting Policies - Property and Equipment (Details)
12 Months Ended
Dec. 31, 2021
Furniture and office equipment  
Property, Plant and Equipment [Line Items]  
Property and equipment estimated useful life 5 years
Computer equipment and software costs | Minimum  
Property, Plant and Equipment [Line Items]  
Property and equipment estimated useful life 3 years
Computer equipment and software costs | Maximum  
Property, Plant and Equipment [Line Items]  
Property and equipment estimated useful life 5 years
Leasehold improvements  
Property, Plant and Equipment [Line Items]  
Property and equipment estimated useful life 5 years
Automobiles  
Property, Plant and Equipment [Line Items]  
Property and equipment estimated useful life 5 years