| Property, plant and equipment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Property, plant and equipment at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Property, plant and equipment at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Total property, plant and equipment | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Materielle anlægsaktiver | da | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Den beløbsmæssige størrelse af materielle aktiver, der: a) besiddes til brug i produktionen eller ved levering af varer og tjenesteydelser, til udlejning til tredjepart eller til administrative formål, og b) forventes at skulle benyttes i mere end ét regnskabsår. | da | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Materielle anlægsaktiver i alt | da | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Materielle anlægsaktiver i begyndelsen af regnskabsåret | da | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Materielle anlægsaktiver ved slutningen af regnskabsåret | da | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |