 | ssmt:ReferenceNumber | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:TypeOfShareholder | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:TypeOfTrustee | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Title | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Name | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:TypeOfIdentificationOfShareholder | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:IdentificationNumberOfShareholder | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:PassportExpiryDate | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Nationality | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Race | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Gender | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:DateOfBirth | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt-ee:TypeOfShares | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:NumberOfSharesHeld | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt-ee:AnalysisOfShareholdings | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:ReferenceNumber | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:TypeOfShareholder | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:TypeOfTrustee | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Title | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Name | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:TypeOfIdentificationOfShareholder | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:IdentificationNumberOfShareholder | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:PassportExpiryDate | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Nationality | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Race | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:Gender | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:DateOfBirth | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt-ee:TypeOfShares | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt:NumberOfSharesHeld | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |
 | ssmt-ee:AnalysisOfShareholdings | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-600000 |