| De in het boekjaar verkregen vastgoed in exploitatie via overnames. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Investitionen in Immobilien in Verwertung durch Übernahmen | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Additions of real estate in exploitation through acquisitions | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investissement dans l'immeuble en exploitation par des acquisitions | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investeringen in vastgoed in exploitatie door 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 |