| Type | including |
|---|---|
| Role | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar3_2017-12-31/ssmt-ar3_2017-12-31_role-200000 |
| Type | Element |
|---|---|
| Hypercube | ssmt:SummaryOfShareholdingStructureTable |
| Explicit | ssmt:TypeOfSharesAxis |
| Member | ssmt:SharesMember |
| Member | ssmt:OrdinarySharesMember |
| Member | ssmt:PreferenceSharesMember |
| Member | ssmt:OtherKindsOfSharesMember |
| Member | ssmt:OrdinaryAndPreferenceSharesMember |
| Member | ssmt:OrdinaryAndOtherKindsOfSharesMember |
| Member | ssmt:PreferenceAndOtherKindsOfSharesMember |
| Member | ssmt:OrdinaryPreferenceAndOtherKindsOfSharesMember |
| Label/QName |
|---|
ssmt:SummaryOfShareholdingStructureAbstract |
ssmt:SummaryOfShareholdingStructureLineItems |
ssmt:AmountOfAuthorizedShareCapital |
ssmt:AmountOfIssuedShareCapital |