|
Segment Information Additional Information (Details)
|
3 Months Ended |
|---|---|
|
Mar. 31, 2015
segment
|
|
| Strategic Marketing Services [Member] | |
| Segment Reporting Information [Line Items] | |
| Number of Reportable Segments | 1 |
| Performance Marketing Services and Corporate [Member] | |
| Segment Reporting Information [Line Items] | |
| Number of Segments, Other | 2 |