Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details)	12 Months Ended
	Dec. 31, 2019
Land improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	25 years
Buildings and building improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	25 years
Buildings and building improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	40 years
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	18 years