Segment Information - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2016 Segment
Segment Reporting Information [Line Items]
Number of geographic regions	3
Number of reportable segments	3
Customer Concentration Risk
Segment Reporting Information [Line Items]
Percentage of revenues during the three and nine months ended September 30, 2016 and 2015	No single customer accounted for more than 10% of the Company's consolidated revenues during the three and nine months ended September 30, 2016 and 2015.
Geographic Concentration Risk
Segment Reporting Information [Line Items]
Percentage of revenues during the three and nine months ended September 30, 2016 and 2015	No other country outside the United States accounted for more than 10% of the Company's consolidated revenues during the three and nine months ended September 30, 2016 and 2015.