XML 263 R186.htm IDEA: XBRL DOCUMENT
v3.26.1

Major non-cash transactions (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Major Non-cash Transactions [Abstract] |  |
Issuance of private placement warrants | $ 38,858 |
Financial assets at FVTPL |  |
Disclosure of fair value measurement of assets [line items] |  |
Redemptions | $ 1,000 | $ 0

X
- 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_DisclosureOfFairValueMeasurementOfAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Issuance Of Private Placement Warrants, Fair Value + References No definition available. + Details
Name: | pre_IssuanceOfPrivatePlacementWarrantsFairValue
Namespace Prefix: | pre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Major Non-cash Transactions [Abstract] + References No definition available. + Details
Name: | pre_MajorNonCashTransactionsAbstract
Namespace Prefix: | pre_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemptions Of Financial Assets At Fair Value + References No definition available. + Details
Name: | pre_RedemptionsOfFinancialAssetsAtFairValue
Namespace Prefix: | pre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |