| Component: (Network and Table) | |
|---|---|
| Network | 2413404 - Disclosure - Business Segment Information (Schedule Of Long Lived Assets By Geographic Area) (Details) (http://www.mercerint.com/role/BusinessSegmentInformationScheduleOfLongLivedAssetsByGeographicAreaDetails) |
| Table | Schedule of Revenues from External Customers and Long-Lived Assets [Table] |
| Reporting Entity [Axis] | 0001333274 (http://www.sec.gov/CIK) |
| Revenues from External Customers and Long-Lived Assets [Line Items] | Period [Axis] | |||||
|---|---|---|---|---|---|---|
2016-12-31 | 2015-12-31 | |||||
| Geographical [Axis] | Geographical [Axis] | |||||
| Germany | Canada | Segment, Geographical [Domain] | Germany | Canada | Segment, Geographical [Domain] | |
Long-lived assets | ||||||