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Organization and Summary of Significant Accounting Policies - Accounts Receivable Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Revenue, Performance Obligation, Description of Payment Terms 50 days  
Accounts Receivable, Allowance for Credit Loss $ 4.5 $ 8.0