Segment Information - Additional Information (Detail)
|6 Months Ended|
Jun. 30, 2018
|Segment Reporting [Abstract]|
|Number of countries in which the Company sells products | Country||94|
|Number of reportable segments | Segment||2|
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
No definition available.