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v3.23.1

Share-based Payments - Disclosure of share-based payment expense as reflected in the Consolidated Statement of Income/(Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Payment [Line Items] |  |  |
Share-based payment expense | $ 14,699 | $ 13,950 | $ 10,718
General and administrative |  |  |
Share-based Payment [Line Items] |  |  |
Share-based payment expense | 8,862 | 9,310 | 7,650
Research and development |  |  |
Share-based Payment [Line Items] |  |  |
Share-based payment expense | $ 5,837 | $ 4,640 | $ 3,068

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- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Share-based Payment + References No definition available. + Details
Name: | ptv_ShareBasedPaymentLineItems
Namespace Prefix: | ptv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ptv_ShareBasedPaymentExpenseCategoryAxis=ptv_GeneralAndAdministrativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ptv_ShareBasedPaymentExpenseCategoryAxis=ptv_ResearchAndDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |