Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of the Assets (Detail)	12 Months Ended
	Dec. 31, 2015
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Useful Life	40 years
Equipment and Software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Useful Life	3 years
Equipment and Software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Useful Life	5 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Useful Life	7 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Useful Life	10 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated Useful Lives	Shorter of lease term or estimated useful life