Business and Summary of Significant Accounting Policies - Property and Equipment, Estimated Useful Life (Details)	12 Months Ended
	Dec. 31, 2019
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	5 years
Building and building improvements
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	39 years
Minimum | Equipment
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	2 years
Minimum | Leasehold improvements
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	5 years
Minimum | Capitalized software
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	3 years
Maximum | Equipment
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	5 years
Maximum | Leasehold improvements
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	10 years
Maximum | Capitalized software
Property, Plant and Equipment [Line Items]
Useful life of property and equipment (in years)	10 years