| r0.c0 | Particulars of shareholding analysis/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A |
| r0.c1 | Particulars of shareholding analysis/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | N/A |
| r1.c0 | Citizens who are Malays and natives/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | ssmt:CitizensWhoAreMalaysAndNativesMember |
| r1.c1 | Citizens who are Malays and natives/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | ssmt:CitizensWhoAreMalaysAndNativesMember |
| r2.c0 | Citizens who are non-Malays and non-natives/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | ssmt:CitizensWhoAreNonMalaysAndNonNativesMember |
| r2.c1 | Citizens who are non-Malays and non-natives/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | ssmt:CitizensWhoAreNonMalaysAndNonNativesMember |
| r3.c0 | Non-citizens/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | ssmt:NonCitizensMember |
| r3.c1 | Non-citizens/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | ssmt:NonCitizensMember |
| r4.c0 | Bodies corporate controlled by citizens who are Malays and natives/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | ssmt:BodiesCorporateControlledByCitizensWhoAreMalaysAndNativesMember |
| r4.c1 | Bodies corporate controlled by citizens who are Malays and natives/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | ssmt:BodiesCorporateControlledByCitizensWhoAreMalaysAndNativesMember |
| r5.c0 | Bodies corporate controlled by citizens who are non-Malays and non-natives/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | ssmt:BodiesCorporateControlledByCitizensWhoAreNonMalaysAndNonNativesMember |
| r5.c1 | Bodies corporate controlled by citizens who are non-Malays and non-natives/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | ssmt:BodiesCorporateControlledByCitizensWhoAreNonMalaysAndNonNativesMember |
| r6.c0 | Bodies corporate controlled by non-citizens/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | ssmt:BodiesCorporateControlledByNonCitizensMember |
| r6.c1 | Bodies corporate controlled by non-citizens/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | ssmt:BodiesCorporateControlledByNonCitizensMember |
| r7.c0 | Total number of shares held by members/Number of shares held by member | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | ssmt:ShareholdingMember |
| r7.c1 | Total number of shares held by members/Percentage of shareholding held by member (%) | ssmt:PercentageOfShareholdingHeld | num:percentItemType | instant | xbrli:pure | ssmt:ShareholdingMember |