| De aangeschafte en in eigen beheer vervaardigde vastgoed in exploitatie. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Investitionen in Immobilien in Verwertung | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Additions to real estate in exploitation | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investissement dans l'immeuble en exploitation | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investeringen in vastgoed in exploitatie | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investitionen | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Additions | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Investissements | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Investeringen | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Summe der Investitionen in Immobilien in Verwertung | de | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total of additions to real estate in exploitation | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total des investissement dans l'immeuble en exploitation | fr | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van investeringen in vastgoed in exploitatie | nl | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |