| Deferred tax liability (asset) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Deferred tax liability (asset) at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Deferred tax liability (asset) at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Net deferred tax liability (asset) | en | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |
| The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Obbligazzjoni (assi) ta’ taxxa differita | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| L-ammont ta’ assi jew ta’ obbligazzjonijiet ta’ taxxa differita. [Refer: Obbligazzjonijiet ta’ taxxa differita; Assi ta’ taxxa differita] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Obbligazzjoni (assi) ta’ taxxa differita fil-bidu tal-perjodu | mt | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Obbligazzjoni (assi) ta’ taxxa differita fi tmiem il-perjodu | mt | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Obbligazzjoni (assi) ta’ taxxa differita netta | mt | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |
Index