Segment, Customer and Geographic Information - Narrative (Details)
|9 Months Ended|
Sep. 30, 2018
|Segment Reporting [Abstract]|
|Number of reportable segments (segments)||1|
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.