| De in het boekjaar verkregen vastgoedbeleggingen via overnames. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Kapitalanlagen in Immobilieninvestitionen im Rahmen von Akquisitionen | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Additions of investment properties through head of acquisitions | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investissements dans des immeubles de placement au titre d'acquisitions | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investeringen in vastgoedbeleggingen uit hoofde van overnames | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investitionen durch Übernahmen | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Additions through acquisitions | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Investissements par acquisitions | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Investeringen door overnames | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |