| Verwaltungskosten [Titel] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Management expenses [title] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Coûts de gestion [titre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Beheerskosten [titel] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Verwaltungskosten | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Management expenses | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Coûts de gestion | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Beheerskosten | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Verwaltungskosten | de | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |
| Management expenses | en | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |
| Coûts de gestion | fr | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |
| Beheerskosten | nl | http://www.xbrl.org/2008/role/terseLabel | http://www.xbrl.org/2008/role/link |