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Summary of Significant Accounting Policies - Property and Equipment, Schedule of Useful Lives (Details)
12 Months Ended
Dec. 31, 2019
Software  
Property, Plant and Equipment [Line Items]  
Useful life 3 years
Minimum | Buildings and improvements  
Property, Plant and Equipment [Line Items]  
Useful life 5 years
Minimum | Transportation fleet equipment  
Property, Plant and Equipment [Line Items]  
Useful life 3 years
Minimum | Furniture, fixtures and equipment  
Property, Plant and Equipment [Line Items]  
Useful life 5 years
Maximum | Buildings and improvements  
Property, Plant and Equipment [Line Items]  
Useful life 30 years
Maximum | Transportation fleet equipment  
Property, Plant and Equipment [Line Items]  
Useful life 8 years
Maximum | Furniture, fixtures and equipment  
Property, Plant and Equipment [Line Items]  
Useful life 3 years