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v3.26.1

Other non-current assets (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Miscellaneous non-current assets [abstract] |  |
Deposits and other receivables - non-current | $ 6,678 | $ 1,352

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

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- Definition Deposits And Prepayments Non Current + References No definition available. + Details
Name: | pre_DepositsAndPrepaymentsNonCurrent
Namespace Prefix: | pre_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant