| 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 |
| Cur chuige costais [member] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Seasann an ball seo do theicníc luachála lena léirítear an méid a cheanglófaí faoi láthair chun acmhainn seirbhíse sócmhainne a athsholáthar (dá ngairtear ‘costas athsholáthair reatha’ go minic). | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |