| Expected volatility, share options granted | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Volatilità mistennija, opzjonijiet fuq l-azzjonijiet mogħtija | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Il-volatilità mistennija tal-prezz tal-ishma użat sabiex jiġi kkalkolat il-valur ġust tal-opzjonijiet fuq l-azzjonijiet mogħtija. Il-volatilità mistennija hija l-kejl tal-ammont li bih prezz huwa mistenni li jvarja matul perjodu. Il-kejl tal-volatilità użat fil-mudelli tal-ipprezzar tal-opzjonijiet huwa d-devjazzjoni standard annwalizzata tar-rati kontinwament rikomposti tar-redditu fuq is-sehem matul perjodu ta’ żmien. | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |