| Market 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 uses prices and other relevant information generated by market transactions involving identical or comparable (ie similar) assets, liabilities or a group of assets and liabilities, such as a business. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Cur chuige margaidh [member] | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Seasann an ball seo do theicníc luachála a úsáideann praghsanna agus faisnéis ábhartha eile a ghintear le hidirbhearta margaidh ina bhfuil sócmhainní, dliteanais nó grúpa sócmhainní agus dliteanas, amhail gnó, atá comhionann nó inchomparáide (i.e. comhchosúil). | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |