| r0.c0 | Particulars of members, for company with more than five hundred members/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | N/A |
| r0.c1 | Particulars of members, for company with more than five hundred members/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | N/A |
| r0.c2 | Particulars of members, for company with more than five hundred members/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | N/A |
| r0.c3 | Particulars of members, for company with more than five hundred members/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | N/A |
| r0.c4 | Particulars of members, for company with more than five hundred members/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | N/A |
| r0.c5 | Particulars of members, for company with more than five hundred members/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | N/A |
| r0.c6 | Particulars of members, for company with more than five hundred members/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | N/A |
| r0.c7 | Particulars of members, for company with more than five hundred members/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | N/A |
| r0.c8 | Particulars of members, for company with more than five hundred members/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | N/A |
| r0.c9 | Particulars of members, for company with more than five hundred members/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | N/A |
| r0.c10 | Particulars of members, for company with more than five hundred members/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | N/A |
| r0.c11 | Particulars of members, for company with more than five hundred members/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | N/A |
| r0.c12 | Particulars of members, for company with more than five hundred members/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | N/A |
| r0.c13 | Particulars of members, for company with more than five hundred members/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | N/A |
| r0.c14 | Particulars of members, for company with more than five hundred members/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | N/A |
| r0.c15 | Particulars of members, for company with more than five hundred members/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | N/A |
| r0.c16 | Particulars of members, for company with more than five hundred members/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | N/A |
| r0.c17 | Particulars of members, for company with more than five hundred members/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | N/A |
| r0.c18 | Particulars of members, for company with more than five hundred members/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | N/A |
| r0.c19 | Particulars of members, for company with more than five hundred members/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | N/A |
| r0.c20 | Particulars of members, for company with more than five hundred members/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | N/A |
| r0.c21 | Particulars of members, for company with more than five hundred members/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | N/A |
| r1.c0 | 1/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c1 | 1/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c2 | 1/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c3 | 1/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c4 | 1/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c5 | 1/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c6 | 1/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c7 | 1/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c8 | 1/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c9 | 1/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c10 | 1/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c11 | 1/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c12 | 1/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FirstLargestShareholderMember |
| r1.c13 | 1/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FirstLargestShareholderMember |
| r1.c14 | 1/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FirstLargestShareholderMember |
| r1.c15 | 1/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FirstLargestShareholderMember |
| r1.c16 | 1/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FirstLargestShareholderMember |
| r1.c17 | 1/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FirstLargestShareholderMember |
| r1.c18 | 1/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FirstLargestShareholderMember |
| r1.c19 | 1/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r1.c20 | 1/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:FirstLargestShareholderMember |
| r1.c21 | 1/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:FirstLargestShareholderMember |
| r2.c0 | 2/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c1 | 2/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c2 | 2/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c3 | 2/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c4 | 2/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c5 | 2/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c6 | 2/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c7 | 2/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c8 | 2/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c9 | 2/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c10 | 2/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c11 | 2/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c12 | 2/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SecondLargestShareholderMember |
| r2.c13 | 2/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SecondLargestShareholderMember |
| r2.c14 | 2/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SecondLargestShareholderMember |
| r2.c15 | 2/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SecondLargestShareholderMember |
| r2.c16 | 2/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SecondLargestShareholderMember |
| r2.c17 | 2/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SecondLargestShareholderMember |
| r2.c18 | 2/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SecondLargestShareholderMember |
| r2.c19 | 2/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r2.c20 | 2/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:SecondLargestShareholderMember |
| r2.c21 | 2/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:SecondLargestShareholderMember |
| r3.c0 | 3/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c1 | 3/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c2 | 3/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c3 | 3/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c4 | 3/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c5 | 3/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c6 | 3/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c7 | 3/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c8 | 3/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c9 | 3/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c10 | 3/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c11 | 3/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c12 | 3/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirdLargestShareholderMember |
| r3.c13 | 3/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirdLargestShareholderMember |
| r3.c14 | 3/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirdLargestShareholderMember |
| r3.c15 | 3/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirdLargestShareholderMember |
| r3.c16 | 3/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirdLargestShareholderMember |
| r3.c17 | 3/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirdLargestShareholderMember |
| r3.c18 | 3/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirdLargestShareholderMember |
| r3.c19 | 3/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c20 | 3/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:ThirdLargestShareholderMember |
| r3.c21 | 3/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:ThirdLargestShareholderMember |
| r4.c0 | 4/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c1 | 4/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c2 | 4/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c3 | 4/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c4 | 4/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c5 | 4/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c6 | 4/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c7 | 4/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c8 | 4/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c9 | 4/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c10 | 4/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c11 | 4/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c12 | 4/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourthLargestShareholderMember |
| r4.c13 | 4/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourthLargestShareholderMember |
| r4.c14 | 4/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourthLargestShareholderMember |
| r4.c15 | 4/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourthLargestShareholderMember |
| r4.c16 | 4/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourthLargestShareholderMember |
| r4.c17 | 4/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourthLargestShareholderMember |
| r4.c18 | 4/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourthLargestShareholderMember |
| r4.c19 | 4/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r4.c20 | 4/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:FourthLargestShareholderMember |
| r4.c21 | 4/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:FourthLargestShareholderMember |
| r5.c0 | 5/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c1 | 5/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c2 | 5/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c3 | 5/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c4 | 5/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c5 | 5/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c6 | 5/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c7 | 5/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c8 | 5/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c9 | 5/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c10 | 5/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c11 | 5/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c12 | 5/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifthLargestShareholderMember |
| r5.c13 | 5/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifthLargestShareholderMember |
| r5.c14 | 5/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifthLargestShareholderMember |
| r5.c15 | 5/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifthLargestShareholderMember |
| r5.c16 | 5/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifthLargestShareholderMember |
| r5.c17 | 5/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifthLargestShareholderMember |
| r5.c18 | 5/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifthLargestShareholderMember |
| r5.c19 | 5/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r5.c20 | 5/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:FifthLargestShareholderMember |
| r5.c21 | 5/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:FifthLargestShareholderMember |
| r6.c0 | 6/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c1 | 6/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c2 | 6/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c3 | 6/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c4 | 6/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c5 | 6/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c6 | 6/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c7 | 6/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c8 | 6/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c9 | 6/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c10 | 6/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c11 | 6/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c12 | 6/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixthLargestShareholderMember |
| r6.c13 | 6/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixthLargestShareholderMember |
| r6.c14 | 6/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixthLargestShareholderMember |
| r6.c15 | 6/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixthLargestShareholderMember |
| r6.c16 | 6/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixthLargestShareholderMember |
| r6.c17 | 6/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixthLargestShareholderMember |
| r6.c18 | 6/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixthLargestShareholderMember |
| r6.c19 | 6/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r6.c20 | 6/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:SixthLargestShareholderMember |
| r6.c21 | 6/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:SixthLargestShareholderMember |
| r7.c0 | 7/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c1 | 7/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c2 | 7/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c3 | 7/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c4 | 7/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c5 | 7/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c6 | 7/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c7 | 7/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c8 | 7/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c9 | 7/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c10 | 7/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c11 | 7/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c12 | 7/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventhLargestShareholderMember |
| r7.c13 | 7/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventhLargestShareholderMember |
| r7.c14 | 7/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventhLargestShareholderMember |
| r7.c15 | 7/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventhLargestShareholderMember |
| r7.c16 | 7/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventhLargestShareholderMember |
| r7.c17 | 7/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventhLargestShareholderMember |
| r7.c18 | 7/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventhLargestShareholderMember |
| r7.c19 | 7/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c20 | 7/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:SeventhLargestShareholderMember |
| r7.c21 | 7/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:SeventhLargestShareholderMember |
| r8.c0 | 8/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c1 | 8/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c2 | 8/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c3 | 8/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c4 | 8/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c5 | 8/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c6 | 8/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c7 | 8/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c8 | 8/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c9 | 8/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c10 | 8/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c11 | 8/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c12 | 8/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighthLargestShareholderMember |
| r8.c13 | 8/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighthLargestShareholderMember |
| r8.c14 | 8/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighthLargestShareholderMember |
| r8.c15 | 8/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighthLargestShareholderMember |
| r8.c16 | 8/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighthLargestShareholderMember |
| r8.c17 | 8/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighthLargestShareholderMember |
| r8.c18 | 8/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighthLargestShareholderMember |
| r8.c19 | 8/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r8.c20 | 8/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:EighthLargestShareholderMember |
| r8.c21 | 8/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:EighthLargestShareholderMember |
| r9.c0 | 9/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c1 | 9/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c2 | 9/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c3 | 9/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c4 | 9/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c5 | 9/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c6 | 9/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c7 | 9/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c8 | 9/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c9 | 9/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c10 | 9/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c11 | 9/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c12 | 9/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:NinthLargestShareholderMember |
| r9.c13 | 9/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:NinthLargestShareholderMember |
| r9.c14 | 9/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:NinthLargestShareholderMember |
| r9.c15 | 9/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NinthLargestShareholderMember |
| r9.c16 | 9/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NinthLargestShareholderMember |
| r9.c17 | 9/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NinthLargestShareholderMember |
| r9.c18 | 9/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NinthLargestShareholderMember |
| r9.c19 | 9/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r9.c20 | 9/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:NinthLargestShareholderMember |
| r9.c21 | 9/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:NinthLargestShareholderMember |
| r10.c0 | 10/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c1 | 10/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c2 | 10/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c3 | 10/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c4 | 10/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c5 | 10/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c6 | 10/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c7 | 10/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c8 | 10/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c9 | 10/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c10 | 10/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c11 | 10/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c12 | 10/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TenthLargestShareholderMember |
| r10.c13 | 10/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TenthLargestShareholderMember |
| r10.c14 | 10/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TenthLargestShareholderMember |
| r10.c15 | 10/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TenthLargestShareholderMember |
| r10.c16 | 10/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TenthLargestShareholderMember |
| r10.c17 | 10/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TenthLargestShareholderMember |
| r10.c18 | 10/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TenthLargestShareholderMember |
| r10.c19 | 10/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r10.c20 | 10/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:TenthLargestShareholderMember |
| r10.c21 | 10/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:TenthLargestShareholderMember |
| r11.c0 | 11/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c1 | 11/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c2 | 11/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c3 | 11/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c4 | 11/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c5 | 11/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c6 | 11/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c7 | 11/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c8 | 11/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c9 | 11/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c10 | 11/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c11 | 11/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c12 | 11/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EleventhLargestShareholderMember |
| r11.c13 | 11/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EleventhLargestShareholderMember |
| r11.c14 | 11/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EleventhLargestShareholderMember |
| r11.c15 | 11/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EleventhLargestShareholderMember |
| r11.c16 | 11/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EleventhLargestShareholderMember |
| r11.c17 | 11/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EleventhLargestShareholderMember |
| r11.c18 | 11/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EleventhLargestShareholderMember |
| r11.c19 | 11/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c20 | 11/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:EleventhLargestShareholderMember |
| r11.c21 | 11/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:EleventhLargestShareholderMember |
| r12.c0 | 12/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c1 | 12/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c2 | 12/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c3 | 12/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c4 | 12/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c5 | 12/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c6 | 12/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c7 | 12/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c8 | 12/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c9 | 12/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c10 | 12/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c11 | 12/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c12 | 12/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwelfthLargestShareholderMember |
| r12.c13 | 12/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwelfthLargestShareholderMember |
| r12.c14 | 12/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwelfthLargestShareholderMember |
| r12.c15 | 12/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwelfthLargestShareholderMember |
| r12.c16 | 12/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwelfthLargestShareholderMember |
| r12.c17 | 12/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwelfthLargestShareholderMember |
| r12.c18 | 12/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwelfthLargestShareholderMember |
| r12.c19 | 12/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c20 | 12/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:TwelfthLargestShareholderMember |
| r12.c21 | 12/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:TwelfthLargestShareholderMember |
| r13.c0 | 13/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c1 | 13/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c2 | 13/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c3 | 13/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c4 | 13/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c5 | 13/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c6 | 13/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c7 | 13/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c8 | 13/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c9 | 13/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c10 | 13/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c11 | 13/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c12 | 13/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirteenthLargestShareholderMember |
| r13.c13 | 13/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirteenthLargestShareholderMember |
| r13.c14 | 13/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirteenthLargestShareholderMember |
| r13.c15 | 13/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirteenthLargestShareholderMember |
| r13.c16 | 13/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirteenthLargestShareholderMember |
| r13.c17 | 13/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirteenthLargestShareholderMember |
| r13.c18 | 13/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:ThirteenthLargestShareholderMember |
| r13.c19 | 13/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c20 | 13/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:ThirteenthLargestShareholderMember |
| r13.c21 | 13/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:ThirteenthLargestShareholderMember |
| r14.c0 | 14/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c1 | 14/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c2 | 14/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c3 | 14/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c4 | 14/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c5 | 14/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c6 | 14/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c7 | 14/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c8 | 14/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c9 | 14/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c10 | 14/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c11 | 14/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c12 | 14/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourteenthLargestShareholderMember |
| r14.c13 | 14/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourteenthLargestShareholderMember |
| r14.c14 | 14/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourteenthLargestShareholderMember |
| r14.c15 | 14/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourteenthLargestShareholderMember |
| r14.c16 | 14/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourteenthLargestShareholderMember |
| r14.c17 | 14/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourteenthLargestShareholderMember |
| r14.c18 | 14/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FourteenthLargestShareholderMember |
| r14.c19 | 14/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c20 | 14/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:FourteenthLargestShareholderMember |
| r14.c21 | 14/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:FourteenthLargestShareholderMember |
| r15.c0 | 15/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c1 | 15/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c2 | 15/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c3 | 15/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c4 | 15/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c5 | 15/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c6 | 15/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c7 | 15/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c8 | 15/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c9 | 15/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c10 | 15/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c11 | 15/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c12 | 15/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifteenLargestShareholderMember |
| r15.c13 | 15/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifteenLargestShareholderMember |
| r15.c14 | 15/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifteenLargestShareholderMember |
| r15.c15 | 15/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifteenLargestShareholderMember |
| r15.c16 | 15/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifteenLargestShareholderMember |
| r15.c17 | 15/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifteenLargestShareholderMember |
| r15.c18 | 15/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:FifteenLargestShareholderMember |
| r15.c19 | 15/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c20 | 15/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:FifteenLargestShareholderMember |
| r15.c21 | 15/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:FifteenLargestShareholderMember |
| r16.c0 | 16/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c1 | 16/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c2 | 16/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c3 | 16/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c4 | 16/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c5 | 16/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c6 | 16/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c7 | 16/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c8 | 16/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c9 | 16/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c10 | 16/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c11 | 16/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c12 | 16/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixteenLargestShareholderMember |
| r16.c13 | 16/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixteenLargestShareholderMember |
| r16.c14 | 16/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixteenLargestShareholderMember |
| r16.c15 | 16/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixteenLargestShareholderMember |
| r16.c16 | 16/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixteenLargestShareholderMember |
| r16.c17 | 16/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixteenLargestShareholderMember |
| r16.c18 | 16/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SixteenLargestShareholderMember |
| r16.c19 | 16/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c20 | 16/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:SixteenLargestShareholderMember |
| r16.c21 | 16/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:SixteenLargestShareholderMember |
| r17.c0 | 17/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c1 | 17/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c2 | 17/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c3 | 17/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c4 | 17/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c5 | 17/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c6 | 17/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c7 | 17/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c8 | 17/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c9 | 17/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c10 | 17/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c11 | 17/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c12 | 17/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventeenthLargestShareholderMember |
| r17.c13 | 17/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventeenthLargestShareholderMember |
| r17.c14 | 17/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventeenthLargestShareholderMember |
| r17.c15 | 17/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventeenthLargestShareholderMember |
| r17.c16 | 17/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventeenthLargestShareholderMember |
| r17.c17 | 17/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventeenthLargestShareholderMember |
| r17.c18 | 17/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:SeventeenthLargestShareholderMember |
| r17.c19 | 17/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c20 | 17/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:SeventeenthLargestShareholderMember |
| r17.c21 | 17/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:SeventeenthLargestShareholderMember |
| r18.c0 | 18/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c1 | 18/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c2 | 18/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c3 | 18/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c4 | 18/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c5 | 18/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c6 | 18/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c7 | 18/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c8 | 18/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c9 | 18/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c10 | 18/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c11 | 18/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c12 | 18/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighteenthLargestShareholderMember |
| r18.c13 | 18/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighteenthLargestShareholderMember |
| r18.c14 | 18/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighteenthLargestShareholderMember |
| r18.c15 | 18/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighteenthLargestShareholderMember |
| r18.c16 | 18/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighteenthLargestShareholderMember |
| r18.c17 | 18/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighteenthLargestShareholderMember |
| r18.c18 | 18/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:EighteenthLargestShareholderMember |
| r18.c19 | 18/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c20 | 18/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:EighteenthLargestShareholderMember |
| r18.c21 | 18/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:EighteenthLargestShareholderMember |
| r19.c0 | 19/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c1 | 19/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c2 | 19/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c3 | 19/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c4 | 19/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c5 | 19/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c6 | 19/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c7 | 19/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c8 | 19/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c9 | 19/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c10 | 19/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c11 | 19/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c12 | 19/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:NineteenthLargestShareholderMember |
| r19.c13 | 19/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:NineteenthLargestShareholderMember |
| r19.c14 | 19/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:NineteenthLargestShareholderMember |
| r19.c15 | 19/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NineteenthLargestShareholderMember |
| r19.c16 | 19/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NineteenthLargestShareholderMember |
| r19.c17 | 19/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NineteenthLargestShareholderMember |
| r19.c18 | 19/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:NineteenthLargestShareholderMember |
| r19.c19 | 19/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c20 | 19/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:NineteenthLargestShareholderMember |
| r19.c21 | 19/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:NineteenthLargestShareholderMember |
| r20.c0 | 20/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c1 | 20/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c2 | 20/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c3 | 20/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c4 | 20/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c5 | 20/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c6 | 20/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c7 | 20/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c8 | 20/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c9 | 20/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c10 | 20/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c11 | 20/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c12 | 20/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwentiethLargestShareholderMember |
| r20.c13 | 20/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwentiethLargestShareholderMember |
| r20.c14 | 20/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwentiethLargestShareholderMember |
| r20.c15 | 20/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwentiethLargestShareholderMember |
| r20.c16 | 20/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwentiethLargestShareholderMember |
| r20.c17 | 20/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwentiethLargestShareholderMember |
| r20.c18 | 20/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:TwentiethLargestShareholderMember |
| r20.c19 | 20/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c20 | 20/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:TwentiethLargestShareholderMember |
| r20.c21 | 20/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:TwentiethLargestShareholderMember |
| r21.c0 | Remaining shareholders/Reference number | ssmt:ReferenceNumber | xbrli:stringItemType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c1 | Remaining shareholders/Type of member | ssmt:TypeOfShareholder | ssmt-fdn:ShareholderType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c2 | Remaining shareholders/Type of trustee (if applicable) | ssmt:TypeOfTrustee | ssmt-fdn:TrusteeType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c3 | Remaining shareholders/Title | ssmt:Title | ssmt-fdn:TypeOfTitle | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c4 | Remaining shareholders/Name | ssmt:Name | xbrli:stringItemType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c5 | Remaining shareholders/Type of identification | ssmt:TypeOfIdentificationOfShareholder | ssmt-fdn:TypeOfIdentificationShareholder | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c6 | Remaining shareholders/Identification number | ssmt:IdentificationNumberOfShareholder | xbrli:stringItemType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c7 | Remaining shareholders/Passport expiry date | ssmt:PassportExpiryDate | xbrli:dateItemType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c8 | Remaining shareholders/Nationality/
Place of incorporation or origin | ssmt:Nationality | ssmt-fdn:TypeOfNationality | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c9 | Remaining shareholders/Race | ssmt:Race | ssmt-fdn:TypeOfRace | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c10 | Remaining shareholders/Gender | ssmt:Gender | ssmt-fdn:GenderType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c11 | Remaining shareholders/Date of birth | ssmt:DateOfBirth | xbrli:dateItemType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c12 | Remaining shareholders/Address line 1 | ssmt:AddressOne | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:RemainingOtherShareholdersMember |
| r21.c13 | Remaining shareholders/Address line 2 | ssmt:AddressTwo | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:RemainingOtherShareholdersMember |
| r21.c14 | Remaining shareholders/Address line 3 | ssmt:AddressThree | xbrli:stringItemType | duration | N/A | ssmt:AddressOfShareholdersMember | ssmt:RemainingOtherShareholdersMember |
| r21.c15 | Remaining shareholders/Postcode | ssmt:Postcode | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:RemainingOtherShareholdersMember |
| r21.c16 | Remaining shareholders/Town | ssmt:Town | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:RemainingOtherShareholdersMember |
| r21.c17 | Remaining shareholders/State | ssmt:State | ssmt-fdn:TypeOfState | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:RemainingOtherShareholdersMember |
| r21.c18 | Remaining shareholders/Country | ssmt:Country | xbrli:stringItemType | instant | N/A | ssmt:AddressOfShareholdersMember | ssmt:RemainingOtherShareholdersMember |
| r21.c19 | Remaining shareholders/Types of shares | ssmt-ee:TypeOfShares | enum:enumerationItemType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c20 | Remaining shareholders/Number of shares held by members | ssmt:NumberOfSharesHeld | xbrli:sharesItemType | instant | xbrli:shares | N/A | ssmt:RemainingOtherShareholdersMember |
| r21.c21 | Remaining shareholders/Analysis of shareholdings | ssmt-ee:AnalysisOfShareholdings | enum:enumerationItemType | instant | N/A | N/A | ssmt:RemainingOtherShareholdersMember |
Index
Template
Constraints