| De verkopen van beleggingen door de beleggingsentiteit. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Verkauf von Kapitalanlagen | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Sales of investments | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ventes de placements | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Verkopen van beleggingen | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Verkauf von Kapitalanlagen | de | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Sales of investments | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Ventes de placements | fr | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Verkopen van beleggingen | nl | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Gesamtbetrag der verkauf von Kapitalanlagen | de | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Total of sales of investments | en | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Total des ventes de placements | fr | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van verkopen van beleggingen | nl | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Verkauf | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Sales | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Achats | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Verkopen | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Gesamtbetrag der verkauf von Kapitalanlagen | de | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total of sales of investments | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total des ventes de placements | fr | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van verkopen van beleggingen | nl | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |