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Basis of Presentation, Organization and Summary of Significant Accounting Policies (Software Costs) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Net capitalized software and development costs $ 0.2 $ 1.7
Software and Software Development Costs | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Software and Software Development Costs | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life 5 years