| Income capitalisation [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a valuation technique consistent with the income approach. Capitalising is a process applied to an amount representing some measure of economic income in order to convert that economic income amount to an estimate of present value. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Caipitliú ioncaim [member] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Seasann an ball seo do theicníc luachála atá comhsheasmhach leis an gcur chuige ioncaim. Is próiseas é caipitliú a chuirtear i bhfeidhm ar mhéid lena léirítear beart éigin d’ioncam eacnamaíoch chun méid an ioncaim eacnamaíoch sin a athrú go meastachán ar an luach reatha. | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |