Principal Business Activity and Significant Accounting Policies - PPNE (Details)	12 Months Ended
	Dec. 31, 2019
Computer equipment and software
Property, Plant, and Equipment
Estimated useful life	3 years
Vehicle and vehicle accessories | Minimum
Property, Plant, and Equipment
Estimated useful life	3 years
Vehicle and vehicle accessories | Maximum
Property, Plant, and Equipment
Estimated useful life	5 years
Buildings
Property, Plant, and Equipment
Estimated useful life	33 years
Equipment | Minimum
Property, Plant, and Equipment
Estimated useful life	2 years
Equipment | Maximum
Property, Plant, and Equipment
Estimated useful life	15 years
Leasehold improvements | Minimum
Property, Plant, and Equipment
Estimated useful life	3 years
Leasehold improvements | Maximum
Property, Plant, and Equipment
Estimated useful life	15 years
Furniture and fixtures | Minimum
Property, Plant, and Equipment
Estimated useful life	5 years
Furniture and fixtures | Maximum
Property, Plant, and Equipment
Estimated useful life	10 years