Business Combination, Acres Acquired In Leasehold Position

No definition available.

Name:	pq_BusinessCombinationAcresAcquiredInLeaseholdPosition
Namespace Prefix:	pq_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Combination, Unevaluated Acres Acquired

+ References

No definition available.

+ Details

Name:	pq_BusinessCombinationUnevaluatedAcresAcquired
Namespace Prefix:	pq_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	duration

- Definition

Disposal Group, Percent of Assets Sold

+ References

No definition available.

+ Details

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

- Definition

Oil and Gas Producing Activities, Expected Period to Evaluate Existing Unevaluated Properties

+ References

No definition available.

+ Details

Name:	pq_OilAndGasProducingActivitiesExpectedPeriodToEvaluateExistingUnevaluatedProperties
Namespace Prefix:	pq_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of Unevaluated Costs Capitalized in Period

+ References

No definition available.

+ Details

Name:	pq_PercentageOfUnevaluatedCostsCapitalizedInPeriod
Namespace Prefix:	pq_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Unevaluated Costs Expected to be Evaluated Within Next Twelve Months

+ References

No definition available.

+ Details

Name:	pq_UnevaluatedCostsExpectedToBeEvaluatedWithinNextTwelveMonths
Namespace Prefix:	pq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The sum of the capitalized costs incurred, as of the balance sheet date, of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10.(c)(7)(ii))
-URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862

+ Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Allowance for Funds Used during Construction
-URI http://asc.fasb.org/extlink&oid=6504829

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

+ Details

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

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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 number of wells in the process of being drilled in each geographic area as of the date listed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1206
-Paragraph (a)

+ Details

Name:	us-gaap_WellsInProcessOfDrilling
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=pq_FortTrinidadMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=pq_EastHaynesvilleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=pq_EagleFordMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=pq_WoodfordMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=stpr_WY
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=us-gaap_UncompletedWellsEquipmentAndFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	pq_PeriodIncurredAxis=pq_TwoThousandTwelveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	pq_PeriodIncurredAxis=pq_TwoThousandElevenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	pq_PeriodIncurredAxis=pq_PriorToTwoThousandElevenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=pq_GulfofMexicoAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pq_TenPercentSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=stpr_LA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=pq_FleetwoodJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=pq_WoodfordAndMississippianLimeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Supplementary Information on Oil and Gas Operations—Unaudited - Investment in Oil and Gas Properties - Unaudited (Textuals) (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2014 USD ($) a	Dec. 31, 2015 USD ($) Wells	Dec. 31, 2014 USD ($) a	Dec. 31, 2013 USD ($) a Wells
Reserve Quantities [Line Items]
Sale of oil and gas properties		$ 271,769	$ 11,908	$ 20,400
Unevaluated oil and gas properties		12,500	109,100
Interest costs capitalized		$ 4,700	10,000	6,600
Expected period to evaluate existing unevaluated properties		3 years
Unevaluated costs expected to be evaluated in 2015		$ 200
Fort Trinidad
Reserve Quantities [Line Items]
Sale of oil and gas properties		500
East Haynesville
Reserve Quantities [Line Items]
Sale of oil and gas properties		100
Eagle Ford
Reserve Quantities [Line Items]
Sale of oil and gas properties			9,800
Woodford
Reserve Quantities [Line Items]
Sale of oil and gas properties				$ 10,400
Percent of saltwater disposal systems and related surface assets sold				50.00%
Wyoming
Reserve Quantities [Line Items]
Sale of oil and gas properties				$ 1,000
Uncompleted Wells Equipment and Facilities
Reserve Quantities [Line Items]
Unevaluated oil and gas properties		$ 200		$ 16,800
Exploratory wells drilled, unevaluated \| Wells		2		16
2012
Reserve Quantities [Line Items]
Unevaluated oil and gas properties		$ (3,100)
Percentage of unevaluated costs capitalized in period		(25.00%)
2011
Reserve Quantities [Line Items]
Unevaluated oil and gas properties			$ 3,600
Percentage of unevaluated costs capitalized in period			29.00%
Prior to 2011
Reserve Quantities [Line Items]
Unevaluated oil and gas properties				$ 12,100
Percentage of unevaluated costs capitalized in period				96.00%
Gulf of Mexico Acquisition
Reserve Quantities [Line Items]
Unevaluated acres acquired \| a				13,500
10% Senior Notes \| Gulf of Mexico Acquisition
Reserve Quantities [Line Items]
Purchase price				$ 188,800
Louisiana \| Fleetwood Joint Venture
Reserve Quantities [Line Items]
Aggregate purchase price	$ 24,000		$ 24,000
Number of acres acquired \| a	30,000		30,000
Purchase price	$ 10,000
Woodford And Mississippian Lime
Reserve Quantities [Line Items]
Sale of oil and gas properties		$ 274,100