| r0.c0 | RuleNode_2/RuleNode_4 | | | |
| r1.c0 | Director's Report [abstract]/RuleNode_4 | ssmt:DirectorsReportAbstract | xbrli:stringItemType | duration |
| r2.c0 | Disclosure of Director's Report [text block]/RuleNode_4 | ssmt:DisclosureOfDirectorsReportExplanatory | nonnum:textBlockItemType | duration |
| r3.c0 | Number of directors signing directors' report/RuleNode_4 | ssmt:NumberOfDirectorsSigningDirectorsReport | ssmt-fdn:TypeOfNumberOfDirectorsSigningDirectorsReport | duration |
| r4.c0 | Name of first director who signed directors' report/RuleNode_4 | ssmt:NameOfFirstDirectorWhoSignedDirectorsReport | xbrli:stringItemType | duration |
| r5.c0 | Type of identification of first director who signed directors' report/RuleNode_4 | ssmt:TypeOfIdentificationOfFirstDirectorWhoSignedDirectorsReport | ssmt-fdn:TypeOfIdentification | duration |
| r6.c0 | Identification number of the first director who signed director's report/RuleNode_4 | ssmt:IdentificationNumberOfFirstDirectorWhoSignedDirectorsReport | xbrli:stringItemType | duration |
| r7.c0 | Name of Second director who signed the Director's Report/RuleNode_4 | ssmt:NameOfSecondDirectorWhoSignedDirectorsReport | xbrli:stringItemType | duration |
| r8.c0 | Type of identification of second director who signed directors' report/RuleNode_4 | ssmt:TypeOfIdentificationOfSecondDirectorWhoSignedDirectorsReport | ssmt-fdn:TypeOfIdentification | duration |
| r9.c0 | Identification number of the second director who signed director's report/RuleNode_4 | ssmt:IdentificationNumberOfSecondDirectorWhoSignedDirectorsReport | xbrli:stringItemType | duration |
| r10.c0 | Disclosure of status of dividend/RuleNode_4 | ssmt:DisclosureOfStatusOfDividend | ssmt-fdn:TypeOfStatusOfDividend | duration |
| r11.c0 | Disclosure of contingent or other liability being enforceable within twelve months after the end of financial year/RuleNode_4 | ssmt:DisclosureOfContingentOrOtherLiabilityBeingEnforceableWithinTwelveMonthsAfterEndOfFinancialYear | ssmt-fdn:WhetherContingentOrOtherLiabilityBeingEnforceableWithinTwelveMonthsAfterEndOfFinancialYear | duration |
| r12.c0 | Disclosure of occurrence of any substantial, material or unusual in nature items, transactions or events/RuleNode_4 | ssmt:DisclosureOfOccurenceOfAnySubstantialMaterialOrUnusualInNatureItemsTransactionsOrEvents | ssmt-fdn:WhetherOccurenceOfAnySubstantialMaterialOrUnusualInNatureItemsTransactionsOrEvents | duration |
| r13.c0 | Disclosure of directors received or become entitled to receive other benefits by reason of contract made by company or related corporation/RuleNode_4 | ssmt:DisclosureOfDirectorsReceivedOrBecomeEntitledToReceiveOtherBenefitsByReasonOfContractMadeByCompanyOrRelatedCorporation | ssmt-fdn:WhetherDirectorsReceivedOrBecomeEntitledToReceiveOtherBenefitsByReasonOfContractMadeByCompanyOrRelatedIncorporation | duration |
| r14.c0 | Date of signing director's report/RuleNode_4 | ssmt:DateOfSigningDirectorsReport | xbrli:dateItemType | instant |