Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ (120,960)us-gaap_NetIncomeLoss	$ 11,323us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Deferred tax benefit	(927)us-gaap_DeferredIncomeTaxExpenseBenefit	0us-gaap_DeferredIncomeTaxExpenseBenefit
Depreciation, depletion and amortization	20,654	20,428
Ceiling test write-down	108,911	0
Accretion of asset retirement obligation	859	791
Share-based compensation expense	1,478us-gaap_ShareBasedCompensation	1,389us-gaap_ShareBasedCompensation
Amortization costs and other	591pq_AmortizationCostsAndOther	557pq_AmortizationCostsAndOther
Payments to settle asset retirement obligations	(894)	(718)
Changes in working capital accounts:
Revenue receivable	2,794	2,464
Prepaid drilling and pipe costs	(186)pq_PrepaidDrillingAndPipeCosts	(43)pq_PrepaidDrillingAndPipeCosts
Joint interest billing receivable	14,439	2,684
Accounts payable and accrued liabilities	(24,561)	246
Advances from co-owners	22,182	6,033
Other	(1,149)	135
Net cash provided by operating activities	23,231	45,289
Cash flows used in investing activities:
Investment in oil and gas properties	(36,033)	(41,792)
Investment in other property and equipment	(80)	(205)
Net cash used in investing activities	(36,113)	(41,997)
Cash flows provided by (used in) financing activities:
Net proceeds for share based compensation	405pq_NetPaymentsForShareBasedCompensation	911pq_NetPaymentsForShareBasedCompensation
Deferred financing costs	(273)us-gaap_PaymentsOfFinancingCosts	(81)us-gaap_PaymentsOfFinancingCosts
Payment of preferred stock dividend	(1,284)	(1,284)
Proceeds from bank borrowings	15,000us-gaap_ProceedsFromBankDebt	5,000us-gaap_ProceedsFromBankDebt
Repayment of bank borrowings	(5,000)us-gaap_RepaymentsOfLinesOfCredit	(5,000)us-gaap_RepaymentsOfLinesOfCredit
Net cash provided by (used in) financing activities	8,848	(454)
Net increase (decrease) in cash and cash equivalents	(4,034)	2,838
Cash and cash equivalents, beginning of period	18,243	9,153
Cash and cash equivalents, end of period	14,209	11,991
Cash paid during the period for:
Interest	17,943us-gaap_InterestPaid	18,131us-gaap_InterestPaid
Income taxes	$ 20us-gaap_IncomeTaxesPaid	$ 0us-gaap_IncomeTaxesPaid

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- 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