| Explanation of circumstances under which operating leases classified as investment property | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Concept not required as it has an expiry date of 01-01-2019 | en | http://www.xbrl.org/2009/role/deprecatedLabel | http://www.xbrl.org/2003/role/link |
| 2019-01-01 | en | http://www.xbrl.org/2009/role/deprecatedDateLabel | http://www.xbrl.org/2003/role/link |
| The explanation, if the entity applies the fair value model, of whether, and in what circumstances, property interests held under operating leases are classified and accounted for as investment property. [Refer: Fair value model [member]; Investment property] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |