Segment Information (Narrative) (Details)
|12 Months Ended|
Dec. 31, 2016
|Segment Information [Abstract]|
|Number of reportable segments | segment||1|
|Geographic regions | item||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.