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Basis of Presentation and Summary of Significant Accounting Policies (Concentration Risk) (Details) - customer
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sales    
Concentration Risk [Line Items]    
Concentration risk, customers above benchmark, number 0 0
Accounts Receivable    
Concentration Risk [Line Items]    
Concentration risk, customers above benchmark, number 0 0
Minimum | Customer Concentration Risk | Sales    
Concentration Risk [Line Items]    
Percentage of concentration risk 5.00% 5.00%
Minimum | Customer Concentration Risk | Accounts Receivable    
Concentration Risk [Line Items]    
Percentage of concentration risk 5.00% 5.00%