| De vorderingen op gemeenten en GR's. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Non-current receivables on local government and common regulations | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Langlopende vorderingen op gemeenten en GR's | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Receivables on local government and common regulations | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Vorderingen op gemeenten en GR's | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |