| The main function of each supervisory board member is stated in the report of the supervisory board. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Van elke commissaris wordt in het verslag van de raad van commissarissen opgave gedaan van de hoofdfunctie. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Hauptfunktion des Aufsichtsratsmitglieds | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Main function of supervisory director | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Fonction principale du commissaire | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Hoofdfunctie van commissaris | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Hauptfunktion | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Main function | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Fonction principale | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Hoofdfunctie | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |