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Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Dec. 31, 2020
Disclosure Of Significant Accounting Policies [Line Items]
Cash original maturity	three months or less
Top of Range [Member] | Software [Member]
Disclosure Of Significant Accounting Policies [Line Items]
Expected useful life of intangible asset	10 years

X

- Definition

Cash original maturity.

+ References

No definition available.

+ Details

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Namespace Prefix:	pds_
Data Type:	xbrli:stringItemType
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X

- Definition

Disclosure of significant accounting policies.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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X

- Definition

Expected useful life of intangible asset.

+ References

No definition available.

+ Details

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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:

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: