| Name | WritedownsOfTradeAndOtherReceivables |
|---|---|
| Namespace | http://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-mfrs-cor |
| Prefix | ssmt-mfrs |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Write-down of trade and other receivables | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Write off of trade and other receivables | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingLabel | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of trade and receivables written off to reconcile profit (loss) to net cash flow from (used in) operating activities. Write off of receivable is an elimination of an uncollectable accounts receivable balance recorded on the general ledger. | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 16.53 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | c | http://www.xbrl.org/2003/role/disclosureRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.85 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.97 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 107.20 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subsection | b | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt-mfrs:WriteOffOfAssetsAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-500100y | |
ssmt-mfrs:WritedownsReversalsOfAssets | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-500100 | |
ssmt-mfrs:WriteOffOfAssetsAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-520000 |