| Name | AggregateIndebtedness |
|---|---|
| Namespace | http://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-cor |
| Prefix | ssmt |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Aggregate Indebtedness | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total amount of indebtedness | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Represents information pertaining to the aggregate amount of the indebtedness. | en | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-cor_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | Companies Act 2016 | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 777 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 68 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | 3 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | g | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | http://www.xbrl.org/2003/role/disclosureRef | |
| Subparagraph | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt:DisclosureOfParticularsOfIndebtednessExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-300000 |