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v3.20.4

Schedule of Listing of Currently Applicable Restrictive and Financial Covenants (Detail) | 12 Months Ended
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Dec. 31, 2020
Senior Credit Facility [Member] |
Disclosure of long term debt [Line Items] |
Consolidated senior debt to consolidated covenant EBITDA(1) | 0.23%
Consolidated covenant EBITDA to consolidated interest expense | 2.68%
Senior Credit Facility [Member] | Top of Range [Member] |
Disclosure of long term debt [Line Items] |
Consolidated senior debt to consolidated covenant EBITDA(1) | 2.50%
Senior Credit Facility [Member] | Bottom Of Range [Member] |
Disclosure of long term debt [Line Items] |
Consolidated covenant EBITDA to consolidated interest expense | 1.75%
Real Estate Credit Facility [Member] |
Disclosure of long term debt [Line Items] |
Consolidated covenant EBITDA to consolidated interest expense | 2.68%
Real Estate Credit Facility [Member] | Bottom Of Range [Member] |
Disclosure of long term debt [Line Items] |
Consolidated covenant EBITDA to consolidated interest expense | 1.75%
Unsecured Senior Notes [Member] |
Disclosure of long term debt [Line Items] |
Consolidated interest coverage ratio | 2.57%
Unsecured Senior Notes [Member] | Bottom Of Range [Member] |
Disclosure of long term debt [Line Items] |
Consolidated interest coverage ratio | 2.00%

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- Definition Consolidated covenant EBITDA to consolidated interest expense ratio. + References No definition available. + Details
Name: | pds_ConsolidatedCovenantEBITDAToConsolidatedInterestExpenseRatio
Namespace Prefix: | pds_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Consolidated interest coverage ratio. + References No definition available. + Details
Name: | pds_ConsolidatedInterestCoverageRatio
Namespace Prefix: | pds_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Consolidated senior debt to consolidated covenant EBITDA ratio. + References No definition available. + Details
Name: | pds_ConsolidatedSeniorDebtToConsolidatedCovenantEBITDARatio
Namespace Prefix: | pds_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items of long term debt. + References No definition available. + Details
Name: | pds_DisclosureOfLongTermDebtLineItems
Namespace Prefix: | pds_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_BorrowingsByNameAxis=pds_SeniorCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_BorrowingsByNameAxis=pds_RealEstateCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_BorrowingsByNameAxis=pds_UnsecuredSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |