Segment Information - Additional Information (Detail) - Segment	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Number of geographic regions	3
Number of reportable segments	3
Geographic Concentration Risk
Segment Reporting Information [Line Items]
Percentage of revenues during the years ended December 31, 2016, 2015 and 2014	No country outside of the United States accounted for more than 10% of the Company's consolidated revenues during the years ended December 31, 2016, 2015, and 2014.
Customer Concentration Risk
Segment Reporting Information [Line Items]
Percentage of revenues during the years ended December 31, 2016, 2015 and 2014	No single customer accounted for more than 10% of the Company's consolidated revenues during the years ended December 31, 2016, 2015, and 2014.
BASE24
Segment Reporting Information [Line Items]
Percentage of total revenues from licensing BASE24 product line	22.00%	21.00%	21.00%