| Diluted earnings (loss) per instrument, participating equity instruments other than ordinary shares | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total diluted earnings (loss) per instrument, participating equity instruments other than ordinary shares | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Diluted earnings (loss) per instrument for an equity instrument that participates in profit with ordinary shares according to a predetermined formula. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Tuilleamh (caillteanas) caolaithe in aghaidh na hionstraime, ionstraimí cothromais rannpháirteacha seachas gnáthscaireanna | ga | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Tuilleamh caolaithe (caillteanas) in aghaidh na hionstraime le haghaidh ionstraim chothromais a ghlacann páirt i mbrabús le gnáthscaireanna de réir foirme réamhchinntithe. | ga | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Tuilleamh (caillteanas) caolaithe iomlán in aghaidh na hionstraime, ionstraimí cothromais rannpháirteacha seachas gnáthscaireanna | ga | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |