Rate for discounting future cash flows.

No definition available.

Name:	pq_RateForDiscountingFutureCashFlows
Namespace Prefix:	pq_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The revenues derived from sales of oil or gas in each geographic area during the reporting period divided by the number of barrels of oil produced or thousands of cubic feet of gas produced.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-K (SK)

-Number 229

-Section 1204

-Paragraph (b)

-Subparagraph (1)

+ Details

Name:	us-gaap_AverageSalesPrices
Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ReserveQuantitiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The excess of unamortized costs capitalized within a cost center, less related deferred income taxes, over the cost center ceiling limitation, which is charged to expense for oil and gas producing companies that use full cost method of accounting for investments in oil and gas producing properties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 360

-Section S99

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=27015634&loc=d3e516453-122869

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 10

-Paragraph c

-Subparagraph 4(ii)

-Article 4

+ Details

Name:	us-gaap_UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ReserveQuantitiesByTypeOfReserveAxis=us-gaap_OilReservesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ReserveQuantitiesByTypeOfReserveAxis=us-gaap_NaturalGasPerThousandCubicFeetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ReserveQuantitiesByTypeOfReserveAxis=us-gaap_NaturalGasLiquidsReservesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CommodityContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Ceiling Test (Details) $ in Thousands	3 Months Ended			6 Months Ended
Ceiling Test (Details) $ in Thousands	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($) $ / mcf $ / bbl $ / Mcfe	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) $ / mcf $ / bbl $ / Mcfe	Jun. 30, 2014 USD ($)
Reserve Quantities [Line Items]
Rate for discounting future cash flows				10.00%
Average sales prices				3.20
Increase in ceiling test write-downs \| $	$ (65,495)	$ (108,911)	$ 0	$ (174,406)	$ 0
Mcf of natural gas
Reserve Quantities [Line Items]
Average sales prices \| $ / bbl		81.33		71.27
Barrel of oil
Reserve Quantities [Line Items]
Average sales prices		3.31
Mcfe of Ngl
Reserve Quantities [Line Items]
Average sales prices \| $ / Mcfe		3.52		3.35
Commodity Derivatives \| Cash Flow Hedging
Reserve Quantities [Line Items]
Increase in ceiling test write-downs \| $				$ (1,000)