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Related Party Transactions - Additional Information (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Whitfield Management Limited |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Key management personnel services related party transactions | € 1.8 | € 2.1 | € 2.2

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Key management personnel services related party transactions + References No definition available. + Details
Name: | sghc_KeyManagementPersonnelServicesRelatedPartyTransactions
Namespace Prefix: | sghc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=sghc_WhitfieldManagementLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |