| Weighted average remaining contractual life of outstanding share options | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Weighted average remaining contractual life of outstanding share options | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Promedio ponderado de la vida contractual restante de opciones sobre acciones en circulación | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Promedio ponderado de vida contractual de las opciones de acciones en circulación | es | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Weighted average remaining contractual life of outstanding share options | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |