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Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - Loan Under Paycheck Protection Programme [Member] $ in Thousands	May 31, 2020 USD ($)
Eastern Oilwells Service Corporation [Member]
Subsequent Event [Line Items]
Proceeds from scheme based loan	$ 470
Prime Operating Company And Eastern Oilwells Company [Member]
Subsequent Event [Line Items]
Moratorium period of term loan	24 months
Long term debt stated rate of interest	1.00%
Prime Operating Company And Eastern Oilwells Company [Member] | Possible Forgiveness Of Loan [Member]
Subsequent Event [Line Items]
Period Of Forgiveness Of Term Loan	10 months
Prime Operating Company [Member]
Subsequent Event [Line Items]
Proceeds from scheme based loan	$ 1,280

X

- Definition

Moratorium period of term loan.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Period of forgiveness of term loan.

+ References

No definition available.

+ Details

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Namespace Prefix:	pnrg_
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Balance Type:	na
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X

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of cash inflow from issuance of long-term debt classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

+ Details

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Balance Type:	debit
Period Type:	duration

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

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- Details

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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
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X

- Details

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X

- Details

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- Details

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