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Business and Summary of Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2020
segment
Fixed Assets  
Number of operating segments 1
Equipment | Minimum  
Fixed Assets  
Estimated useful lives of fixed assets 2 years
Equipment | Maximum  
Fixed Assets  
Estimated useful lives of fixed assets 10 years
Computer software | Minimum  
Fixed Assets  
Estimated useful lives of fixed assets 2 years
Computer software | Maximum  
Fixed Assets  
Estimated useful lives of fixed assets 5 years
Buildings | Maximum  
Fixed Assets  
Estimated useful lives of fixed assets 39 years