Name:	plab_NumberOfBusinessDaysForObtainingRequiredApprovalsAndClearanceForExitingParty
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Number of consecutive months an investor's ownership can be below 20% before an option to put or purchase the investor's ownership interest may be exercised, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	plab_NumberOfConsecutiveMonthsOwnershipInterestMayFallBelowTwentyPercentForPutOrPurchaseOptionsToBeExercised
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The period of time that must elapse after the formation of the VIE before an interest holder may put their interest, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	plab_TermAfterWhichOwnershipInterestMayBePut
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- References

No definition available.

Name:	plab_VariableInterestEntityAbstract
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Data Type:	xbrli:stringItemType
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Amount of assets pledged to secure a debt instrument.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The amount of income (loss) from operations derived by the reporting entity during the period from the Variable Interest Entity (VIE).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph d
-URI https://asc.fasb.org/extlink&oid=123419778&loc=d3e5747-111685

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- References

No definition available.

Name:	us-gaap_VariableInterestEntityMeasureOfActivityAbstract
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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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Name:	srt_RangeAxis=srt_MinimumMember
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Namespace Prefix:
Data Type:	na
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