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Organization and Significant Accounting Policies - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Organization And Summary Of Significant Accounting Policies [Line Items]      
Maturity threshold of investments classified to cash equivalents 90 days    
Goodwill and intangible asset impairment $ 0 $ 0 $ 0
Sales return period 30 days    
Unbilled accounts receivable $ 10,400,000    
Deferred revenue that will be satisfied after 12 months 8,200,000 2,100,000  
Advertising costs $ 76,500,000 $ 33,100,000 $ 24,000,000.0
Computer software and hardware      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life 3 years    
Furniture and fixtures      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life 5 years    
Minimum      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Useful life of finite-lived intangible assets 2 years    
Customer contract payment terms 30 days    
Minimum | Machinery and Equipment      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life 4 years    
Maximum      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Useful life of finite-lived intangible assets 7 years    
Customer contract payment terms 90 days    
Amortization period for incentive compensation costs 1 year    
Maximum | Machinery and Equipment      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life 15 years    
Maximum | Building      
Organization And Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life 40 years