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v3.22.2.2

TRADE AND OTHER PAYABLES - Summary of Trade and Other Payables (Parenthetical) (Details) | 6 Months Ended
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Jun. 30, 2022
Trade and other payables [abstract] |
Trade payables, settlement period | 60 days

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- Definition Trade payables, settlement period. + References No definition available. + Details
Name: | gamb_TradePayablesSettlementPeriod
Namespace Prefix: | gamb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ifrs-full_TradeAndOtherPayablesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration