| Name | WarrantyReserveMember |
|---|---|
| Namespace | http://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-mpers-cor |
| Prefix | ssmt-mpers |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Warranty reserve [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a component of equity representing the legal obligation as a result of the sale of the product with a warranty and an outflow of resources embodying economic benefits in settlement is probable for the warranties as a whole. | en | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-mpers-cor_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |