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Significant Accounting Policies - Additional Information (Details) - CAD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 01, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure Of Significant Accounting Policies [Line Items] |  |  |
Cash and cash equivalents original maturity |  | three months or less |
Carrying value of right of use assets | $ 73,464 | $ 66,142 | $ 0
Weighted average incremental borrowing rates applied | 6.10% |  |
Deferred base rent balance | $ 3,000 |  |
Top of Range [Member] |  |  |
Disclosure Of Significant Accounting Policies [Line Items] |  |  |
Operating leases, remaining term | 12 months |  |
Top of Range [Member] | Software [Member] |  |  |
Disclosure Of Significant Accounting Policies [Line Items] |  |  |
Expected useful life of intangible asset |  | 10 years |

X
- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_j&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_RightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The weighted average lessee's incremental borrowing rate applied to lease liabilities recognised in the statement of financial position at the date of initial application of IFRS 16. The incremental borrowing rate is the rate of interest that a lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the right-of-use asset in a similar economic environment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph C12 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_C12_a&doctype=Appendix&subtype=C -URIDate 2019-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash and cash equivalents original maturity. + References No definition available. + Details
Name: | pds_CashAndCashEquivalentsOriginalMaturity
Namespace Prefix: | pds_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred base rent balance. + References No definition available. + Details
Name: | pds_DeferredBaseRentBalance
Namespace Prefix: | pds_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure of significant accounting policies. + References No definition available. + Details
Name: | pds_DisclosureOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | pds_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected useful life of intangible asset. + References No definition available. + Details
Name: | pds_ExpectedUsefulLifeOfIntangibleAsset
Namespace Prefix: | pds_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating leases remaining term. + References No definition available. + Details
Name: | pds_OperatingLeasesRemainingTerm
Namespace Prefix: | pds_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |