| De totale subsidiabele kosten tot en met vorig verslagjaar. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Subsidy costs received up to and including the reporting period | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Subsidiabele kosten tot en met vorig verslagjaar | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Subsidy costs received up to and including the reporting period | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Subsidiabele kosten tot en met vorig verslagjaar | nl | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| Total of subsidy costs received up to and including the reporting period | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van subsidiabele kosten tot en met vorig verslagjaar | nl | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |