| Explanation of disposal of investment property carried at cost within fair value model | 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 of the fact that the entity has disposed of investment property not carried at fair value when the entity measures investment property at cost within the fair value model, because fair value is not reliably determinable on a continuing basis. [Refer: At cost within fair value model [member]; Investment property] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |