| Name | ParticularsOfDirectorsTable |
|---|---|
| Namespace | http://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-cor |
| Prefix | ssmt |
| Data type | xbrli:stringItemType |
| Period type | instant |
| Substitution Group | xbrldt:hypercubeItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Particulars of Directors [table] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Represents information pertaining to particulars of directors of the company. | 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 | h | 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:DirectorCountAxis | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-400000 | |
ssmt:DirectorCountAxis | hypercube-dimension | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-400000 |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt:ParticularsOfDirectorsAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-400000 | |
ssmt:ParticularsOfDirectorsAbstract | all | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-400000 |