Segment Reporting - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 Segment Customer
Segment Reporting Information [Line Items]
Number of reportable segments | Segment	3
Customers that individually accounted for 10% or more of total consolidated revenue | Customer	0
Minimum
Segment Reporting Information [Line Items]
Percentage of product sales to consolidated sales	99.00%