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v3.23.1

Capital and Financial Risk Management - Not impaired (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Not impaired [Line Items] |  |
Trade and other receivables | $ 11,867 | $ 3,174
Not impaired |  |
Not impaired [Line Items] |  |
Trade and other receivables | $ 11,867 | $ 3,174

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- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_b&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 68 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_68&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_CurrentTradeReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Not impaired + References No definition available. + Details
Name: | ptv_NotImpairedLineItems
Namespace Prefix: | ptv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=ptv_NotImpairedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |