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Description of Business and Summary of Significant Accounting Policies - Schedule of Property and Equipment Useful Life (Details)
3 Months Ended
Mar. 31, 2021
Computer equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 2 years
Computer equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Furniture and fixtures  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Computer software | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 2 years
Computer software | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Capitalized internal-use software costs | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 2 years
Capitalized internal-use software costs | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years