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Segment Information (Narrative) (Details) - segment
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Concentration Risk [Line Items]    
Number of reportable operating segments 2  
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Concentration risk, percentage 100.00% 100.00%