Summary of Significant Accounting Policies - Schedule of Useful Life of Property Plant and Equipment (Details)	12 Months Ended
	Dec. 31, 2015
Computer software and equipment
Property Plant And Equipment [Line Items]
Useful life of property and equipment	3 years
Building
Property Plant And Equipment [Line Items]
Useful life of property and equipment	36 years
Furniture, fixtures and equipment
Property Plant And Equipment [Line Items]
Useful life of property and equipment	5 years
Vehicles
Property Plant And Equipment [Line Items]
Useful life of property and equipment	5 years
Equipment under capital lease | Minimum
Property Plant And Equipment [Line Items]
Useful life of property and equipment	3 years
Equipment under capital lease | Maximum
Property Plant And Equipment [Line Items]
Useful life of property and equipment	5 years
Leasehold improvements
Property Plant And Equipment [Line Items]
Useful life of property and equipment	Life of the asset or lease, whichever is less