| Cost approach [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a valuation technique that reflects the amount that would be required currently to replace the service capacity of an asset (often referred to as 'current replacement cost'). | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Nákladová metóda [member] | sk | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Tento člen predstavuje techniku oceňovania, ktorá odráža sumu, ktorá by bola v danej dobe potrebná na nahradenie servisnej kapacity aktíva (často označovaná ako „bežná reprodukčná obstarávacia cena“). | sk | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |