Segment and Geographic Reporting - Additional Information (Detail) |
3 Months Ended |
|---|---|
|
Mar. 31, 2019
Segment
| |
| Segment Reporting [Abstract] | |
| Number of reportable segments | 3 |
| X | ||||||||||
- Definition 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.
|
| X | ||||||||||
- References No definition available.
|