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Condensed Consolidating Financial Statements - Schedule of Consolidating Statement of Cash Flows (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities: |  |  |
Net income | $ 506,877,000 us-gaap_NetIncomeLoss | $ 227,959,000 us-gaap_NetIncomeLoss | $ 153,388,000 us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Depreciation, depletion and amortization | 412,334,000 us-gaap_DepreciationDepletionAndAmortization | 307,055,000 us-gaap_DepreciationDepletionAndAmortization | 206,734,000 us-gaap_DepreciationDepletionAndAmortization
Gain (loss) on sale of properties | (186,999,000)us-gaap_GainLossOnSaleOfProperty | 0 us-gaap_GainLossOnSaleOfProperty | 0 us-gaap_GainLossOnSaleOfProperty
Impairment of oil and gas properties | 47,238,000 us-gaap_ImpairmentOfOilAndGasProperties | 1,168,000 us-gaap_ImpairmentOfOilAndGasProperties | 3,581,000 us-gaap_ImpairmentOfOilAndGasProperties
Deferred income taxes | 307,457,000 us-gaap_DeferredIncomeTaxExpenseBenefit | 134,583,000 us-gaap_DeferredIncomeTaxExpenseBenefit | 92,479,000 us-gaap_DeferredIncomeTaxExpenseBenefit
Derivative, Gain (Loss) on Derivative, Net | (327,011,000)us-gaap_DerivativeGainLossOnDerivativeNet | 35,432,000 us-gaap_DerivativeGainLossOnDerivativeNet | (34,164,000)us-gaap_DerivativeGainLossOnDerivativeNet
Stock-based compensation expenses | 21,302,000 us-gaap_ShareBasedCompensation | 11,982,000 us-gaap_ShareBasedCompensation | 10,333,000 us-gaap_ShareBasedCompensation
Deferred financing costs amortization and other | 11,028,000 oas_DebtDiscountAmortizationAndOther | 4,248,000 oas_DebtDiscountAmortizationAndOther | 2,810,000 oas_DebtDiscountAmortizationAndOther
Working capital and other changes: |  |  |
Change in accounts receivable | 16,702,000 us-gaap_IncreaseDecreaseInAccountsReceivable | (107,473,000)us-gaap_IncreaseDecreaseInAccountsReceivable | (90,103,000)us-gaap_IncreaseDecreaseInAccountsReceivable
Change in inventory | (3,776,000)us-gaap_IncreaseDecreaseInInventories | (13,941,000)us-gaap_IncreaseDecreaseInInventories | (29,313,000)us-gaap_IncreaseDecreaseInInventories
Change in prepaid expenses | (3,199,000)us-gaap_IncreaseDecreaseInPrepaidExpense | (8,191,000)us-gaap_IncreaseDecreaseInPrepaidExpense | 346,000 us-gaap_IncreaseDecreaseInPrepaidExpense
Change in other current assets | (6,135,000)us-gaap_IncreaseDecreaseInOtherCurrentAssets | (56,000)us-gaap_IncreaseDecreaseInOtherCurrentAssets | 156,000 us-gaap_IncreaseDecreaseInOtherCurrentAssets
Change in other assets | 114,000 us-gaap_IncreaseDecreaseInOtherOperatingAssets | (3,248,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets | (95,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets
Change in accounts payable and accrued liabilities | 76,723,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | 107,451,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | 76,706,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Change in other current liabilities | 0 us-gaap_IncreaseDecreaseInOtherCurrentLiabilities | 0 us-gaap_IncreaseDecreaseInOtherCurrentLiabilities | (472,000)us-gaap_IncreaseDecreaseInOtherCurrentLiabilities
Change in other liabilities | (139,000)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities | 887,000 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities | 0 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
Net cash provided by operating activities | 872,516,000 us-gaap_NetCashProvidedByUsedInOperatingActivities | 697,856,000 us-gaap_NetCashProvidedByUsedInOperatingActivities | 392,386,000 us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash flows from investing activities: |  |  |
Payments to Explore and Develop Oil and Gas Properties | (1,354,281,000)us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties | (893,524,000)us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties | (1,051,365,000)us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties
Acquisition of oil and gas properties | (46,247,000)us-gaap_PaymentsToAcquireOilAndGasProperty | (1,560,072,000)us-gaap_PaymentsToAcquireOilAndGasProperty | 0 us-gaap_PaymentsToAcquireOilAndGasProperty
Proceeds from sale of properties | 324,852,000 us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment |  |
Costs related to sale of properties | (2,337,000)oas_PaymentsforCostsRelatedtoDivestitureofBusinesses | 0 oas_PaymentsforCostsRelatedtoDivestitureofBusinesses | 0 oas_PaymentsforCostsRelatedtoDivestitureofBusinesses
Derivative settlements | 6,774,000 us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities | (8,133,000)us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities | 6,545,000 us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities
Purchases of short-term investments | 0 us-gaap_PaymentsToAcquireShortTermInvestments | 0 us-gaap_PaymentsToAcquireShortTermInvestments | (126,213,000)us-gaap_PaymentsToAcquireShortTermInvestments
Redemptions of short-term investments | 0 us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments | 25,000,000 us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments | 120,316,000 us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments
Advances from joint interest partners | (6,213,000)oas_ProceedFromAdvanceFromJointInterestPartners | (8,347,000)oas_ProceedFromAdvanceFromJointInterestPartners | 12,112,000 oas_ProceedFromAdvanceFromJointInterestPartners
Net cash used in investing activities | (1,077,452,000)us-gaap_NetCashProvidedByUsedInInvestingActivities | (2,445,076,000)us-gaap_NetCashProvidedByUsedInInvestingActivities | (1,038,605,000)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash flows from financing activities: |  |  |
Proceeds from issuance of senior notes | 0 us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt | 1,000,000,000 us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt | 400,000,000 us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt
Proceeds from revolving credit facility | 620,000,000 us-gaap_ProceedsFromLongTermLinesOfCredit | 600,000,000 us-gaap_ProceedsFromLongTermLinesOfCredit | 0 us-gaap_ProceedsFromLongTermLinesOfCredit
Principal payments on revolving credit facility | (455,570,000)us-gaap_RepaymentsOfLongTermLinesOfCredit | (264,430,000)us-gaap_RepaymentsOfLongTermLinesOfCredit | 0 us-gaap_RepaymentsOfLongTermLinesOfCredit
Debt issuance costs | (99,000)us-gaap_PaymentsOfDebtIssuanceCosts | (22,910,000)us-gaap_PaymentsOfDebtIssuanceCosts | (8,012,000)us-gaap_PaymentsOfDebtIssuanceCosts
Proceeds from sale of common stock | 0 us-gaap_ProceedsFromIssuanceOfCommonStock | 314,580,000 us-gaap_ProceedsFromIssuanceOfCommonStock | 0 us-gaap_ProceedsFromIssuanceOfCommonStock
Purchases of treasury stock | (5,309,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | (1,566,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | (3,194,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Proceeds from (Payments for) Other Financing Activities | (176,000)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | 0 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | 0 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Net cash provided by financing activities | 158,846,000 us-gaap_NetCashProvidedByUsedInFinancingActivities | 1,625,674,000 us-gaap_NetCashProvidedByUsedInFinancingActivities | 388,794,000 us-gaap_NetCashProvidedByUsedInFinancingActivities
Decrease in cash and cash equivalents | (46,090,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (121,546,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (257,425,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Beginning of period | 91,901,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 213,447,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 470,872,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
End of period | 45,811,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 91,901,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 213,447,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
Parent/Issuer [Member] |  |  |
Cash flows from operating activities: |  |  |
Net income | 506,877,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 227,959,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 153,388,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Equity in earnings of subsidiaries | (613,601,000)oas_EquityInEarningsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (299,459,000)oas_EquityInEarningsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (202,924,000)oas_EquityInEarningsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Deferred income taxes | (64,029,000)us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (42,542,000)us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (29,588,000)us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Stock-based compensation expenses | 20,701,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 11,602,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 10,219,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Deferred financing costs amortization and other | 4,549,000 oas_DebtDiscountAmortizationAndOther / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 4,018,000 oas_DebtDiscountAmortizationAndOther / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2,277,000 oas_DebtDiscountAmortizationAndOther / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Working capital and other changes: |  |  |
Change in accounts receivable | (11,000)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (460,000)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (222,000)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Change in prepaid expenses | 21,000 us-gaap_IncreaseDecreaseInPrepaidExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (5,000)us-gaap_IncreaseDecreaseInPrepaidExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (4,000)us-gaap_IncreaseDecreaseInPrepaidExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Change in other current assets | 0 us-gaap_IncreaseDecreaseInOtherCurrentAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 235,000 us-gaap_IncreaseDecreaseInOtherCurrentAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (217,000)us-gaap_IncreaseDecreaseInOtherCurrentAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Change in other assets | 0 us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 25,000 us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Change in accounts payable and accrued liabilities | 84,044,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 20,710,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 18,612,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net cash provided by operating activities | (61,449,000)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (77,942,000)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (48,434,000)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash flows from investing activities: |  |  |
Purchases of short-term investments |  |  | (126,213,000)us-gaap_PaymentsToAcquireShortTermInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Redemptions of short-term investments |  | 25,000,000 us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 120,316,000 us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net cash used in investing activities | 0 us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 25,000,000 us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (5,897,000)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash flows from financing activities: |  |  |
Proceeds from issuance of senior notes |  | 1,000,000,000 us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 400,000,000 us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Debt issuance costs | 0 us-gaap_PaymentsOfDebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (16,362,000)us-gaap_PaymentsOfDebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (7,307,000)us-gaap_PaymentsOfDebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Proceeds from sale of common stock |  | 314,580,000 us-gaap_ProceedsFromIssuanceOfCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Purchases of treasury stock | (5,309,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (1,566,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (3,194,000)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Investment in / capital contributions from subsidiaries | 33,433,000 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (1,343,230,000)us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (644,853,000)us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Proceeds from (Payments for) Other Financing Activities | (176,000)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Net cash provided by financing activities | 27,948,000 us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (46,578,000)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (255,354,000)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Decrease in cash and cash equivalents | (33,501,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (99,520,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (309,685,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Beginning of period | 34,277,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 133,797,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 443,482,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
End of period | 776,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 34,277,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 133,797,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Combined Guarantor Subsidiaries [Member] |  |  |
Cash flows from operating activities: |  |  |
Net income | 613,601,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 299,459,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 202,924,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Depreciation, depletion and amortization | 412,334,000 us-gaap_DepreciationDepletionAndAmortization / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 307,055,000 us-gaap_DepreciationDepletionAndAmortization / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 206,734,000 us-gaap_DepreciationDepletionAndAmortization / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Gain (loss) on sale of properties | (186,999,000)us-gaap_GainLossOnSaleOfProperty / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Impairment of oil and gas properties | 47,238,000 us-gaap_ImpairmentOfOilAndGasProperties / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 1,168,000 us-gaap_ImpairmentOfOilAndGasProperties / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 3,581,000 us-gaap_ImpairmentOfOilAndGasProperties / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Deferred income taxes | 371,486,000 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 177,125,000 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 122,067,000 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Derivative, Gain (Loss) on Derivative, Net | (327,011,000)us-gaap_DerivativeGainLossOnDerivativeNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 35,432,000 us-gaap_DerivativeGainLossOnDerivativeNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (34,164,000)us-gaap_DerivativeGainLossOnDerivativeNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Stock-based compensation expenses | 601,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 380,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 114,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Deferred financing costs amortization and other | 6,479,000 oas_DebtDiscountAmortizationAndOther / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 230,000 oas_DebtDiscountAmortizationAndOther / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 533,000 oas_DebtDiscountAmortizationAndOther / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Working capital and other changes: |  |  |
Change in accounts receivable | (65,657,000)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (110,266,000)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (94,106,000)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Change in inventory | (3,776,000)us-gaap_IncreaseDecreaseInInventories / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (13,941,000)us-gaap_IncreaseDecreaseInInventories / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (29,313,000)us-gaap_IncreaseDecreaseInInventories / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Change in prepaid expenses | (3,220,000)us-gaap_IncreaseDecreaseInPrepaidExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (8,186,000)us-gaap_IncreaseDecreaseInPrepaidExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 350,000 us-gaap_IncreaseDecreaseInPrepaidExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Change in other current assets | (6,135,000)us-gaap_IncreaseDecreaseInOtherCurrentAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (291,000)us-gaap_IncreaseDecreaseInOtherCurrentAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 373,000 us-gaap_IncreaseDecreaseInOtherCurrentAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Change in other assets | 114,000 us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (3,248,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (120,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Change in accounts payable and accrued liabilities | 75,049,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 89,994,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 62,319,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Change in other current liabilities |  |  | (472,000)us-gaap_IncreaseDecreaseInOtherCurrentLiabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Change in other liabilities | (139,000)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 887,000 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Net cash provided by operating activities | 933,965,000 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 775,798,000 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 440,820,000 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Cash flows from investing activities: |  |  |
Payments to Explore and Develop Oil and Gas Properties | (1,354,281,000)us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (893,524,000)us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (1,051,365,000)us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Acquisition of oil and gas properties | (46,247,000)us-gaap_PaymentsToAcquireOilAndGasProperty / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (1,560,072,000)us-gaap_PaymentsToAcquireOilAndGasProperty / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Proceeds from sale of properties | 324,852,000 us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Costs related to sale of properties | (2,337,000)oas_PaymentsforCostsRelatedtoDivestitureofBusinesses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Derivative settlements | 6,774,000 us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (8,133,000)us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 6,545,000 us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Advances from joint interest partners | (6,213,000)oas_ProceedFromAdvanceFromJointInterestPartners / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (8,347,000)oas_ProceedFromAdvanceFromJointInterestPartners / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 12,112,000 oas_ProceedFromAdvanceFromJointInterestPartners / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Net cash used in investing activities | (1,077,452,000)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (2,470,076,000)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (1,032,708,000)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Cash flows from financing activities: |  |  |
Proceeds from revolving credit facility | 620,000,000 us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 600,000,000 us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Principal payments on revolving credit facility | (455,570,000)us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (264,430,000)us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Debt issuance costs | (99,000)us-gaap_PaymentsOfDebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (6,548,000)us-gaap_PaymentsOfDebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (705,000)us-gaap_PaymentsOfDebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Investment in / capital contributions from subsidiaries | (33,433,000)us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 1,343,230,000 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 644,853,000 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Net cash provided by financing activities | 130,898,000 us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 1,672,252,000 us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 644,148,000 us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Decrease in cash and cash equivalents | (12,589,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (22,026,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 52,260,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Beginning of period | 57,624,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 79,650,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 27,390,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
End of period | 45,035,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 57,624,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 79,650,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Intercompany Eliminations [Member] |  |  |
Cash flows from operating activities: |  |  |
Net income | (613,601,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (299,459,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (202,924,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Equity in earnings of subsidiaries | 613,601,000 oas_EquityInEarningsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 299,459,000 oas_EquityInEarningsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 202,924,000 oas_EquityInEarningsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Working capital and other changes: |  |  |
Change in accounts receivable | 82,370,000 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 3,253,000 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 4,225,000 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Change in accounts payable and accrued liabilities | (82,370,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (3,253,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (4,225,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Net cash provided by operating activities |  |  | $ 0 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale. + 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 (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + 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 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas). + 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 (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- 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=31042434&loc=d3e3179-108585 + Details
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- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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