| Het percentage van consolidatie van de verbonden partijen. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Prozentsatz der Konsolidierung der verbundenen Parteien | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Rate of consolidation of the related party | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Pourcentage de consolidation de la partie liée | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Percentage van consolidatie van de verbonden partij | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Prozentsatz der Konsolidierung | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Rate of consolidation | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Pourcentage de consolidation | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Percentage van consolidatie | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |