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v3.22.2

Subsequent events (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2022 | Jul. 31, 2022
Subsequent Event [Line Items] |  |
Milestone Payable | $ 50,000 |
Agilis |  |
Subsequent Event [Line Items] |  |
Reduction in contingent consideration payable | $ 50,000 |
Subsequent Event | Agilis |  |
Subsequent Event [Line Items] |  |
Development milestone payment obligations |  | $ 50,000

X
- Definition Represents the development milestones payments which the entity is obligated to pay under certain contractual agreements. + References No definition available. + Details
Name: | ptct_DevelopmentMilestonePaymentObligations
Namespace Prefix: | ptct_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) during the reporting period in the obligations due for contingent consideration payable. + References No definition available. + Details
Name: | ptct_IncreaseDecreaseInContingentConsiderationLiability
Namespace Prefix: | ptct_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of recorded milestone payments payable. + References No definition available. + Details
Name: | ptct_MilestonePayable
Namespace Prefix: | ptct_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=ptct_AgilisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |