XML 73 R58.htm IDEA: XBRL DOCUMENT
v3.21.1

Supplementary Information - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Interest rate of Company's reserves | 10.00%
Rate of discounted future net cash flows | 10.00%
Percentage of discounted future prices | 10.00%

X
- Definition Discounted future net cash flows discounting rate used to derive standard measure of discounted future net cash flows. + References No definition available. + Details
Name: | pnrg_DiscountedFutureNetCashFlowsDiscountingRateUsedToDeriveStandardMeasureOfDiscountedFutureNetCashFlows
Namespace Prefix: | pnrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of discounted future prices. + References No definition available. + Details
Name: | pnrg_PercentageOfDiscountedFuturePrices
Namespace Prefix: | pnrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of minority interest share in aggregate company's reserves. + References No definition available. + Details
Name: | pnrg_PercentageOfMinorityInterestShareInAggregateCompanysReserves
Namespace Prefix: | pnrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration