2016 Form 10-K Financial Statement
#000152812917000026 Filed on February 16, 2017
Income Statement
| Concept | 2016 | 2015 Q4 | 2015 Q3 |
|---|---|---|---|
| Revenue | $597.4M | $123.3M | $150.3M |
| YoY Change | -1.53% | -48.05% | -24.92% |
| Cost Of Revenue | $279.7M | $71.40M | $81.10M |
| YoY Change | -14.39% | -27.22% | 104.8% |
| Gross Profit | $317.6M | $51.90M | $69.30M |
| YoY Change | 13.43% | -62.72% | -56.85% |
| Gross Profit Margin | 53.17% | 42.1% | 46.1% |
| Selling, General & Admin | $91.76M | $22.40M | $22.90M |
| YoY Change | 1.5% | 0.45% | -15.5% |
| % of Gross Profit | 28.89% | 43.16% | 33.04% |
| Research & Development | |||
| YoY Change | |||
| % of Gross Profit | |||
| Depreciation & Amortization | $148.3M | $66.90M | $66.78M |
| YoY Change | -46.59% | -16.27% | 4.43% |
| % of Gross Profit | 46.71% | 128.9% | 96.36% |
| Operating Expenses | $91.76M | $90.00M | $90.20M |
| YoY Change | -75.23% | -12.37% | -1.42% |
| Operating Profit | -$87.96M | -$1.016B | -$927.9M |
| YoY Change | -96.44% | -3213.38% | -1441.53% |
| Interest Expense | $93.30M | $51.20M | $23.35M |
| YoY Change | -9.61% | -82.84% | -23.57% |
| % of Operating Profit | |||
| Other Income/Expense, Net | -$172.8M | $121.3M | |
| YoY Change | -304.15% | 102.15% | |
| Pretax Income | -$260.7M | -$964.6M | -$806.5M |
| YoY Change | -89.08% | -392.21% | -724.32% |
| Income Tax | $0.00 | $0.00 | $41.26M |
| % Of Pretax Income | |||
| Net Earnings | -$260.7M | -$964.6M | -$847.8M |
| YoY Change | -88.2% | -579.26% | -1116.44% |
| Net Earnings / Revenue | -43.65% | -782.52% | -563.91% |
| Basic Earnings Per Share | -$1.16 | -$4.57 | -$4.01 |
| Diluted Earnings Per Share | -$1.16 | -$4.57 | -$4.01 |
| COMMON SHARES | |||
| Basic Shares Outstanding | 225.5M shares | 213.8M shares | 211.2M shares |
| Diluted Shares Outstanding | 225.5M shares | 211.2M shares |
Balance Sheet
| Concept | 2016 | 2015 Q4 | 2015 Q3 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $32.70M | $31.20M | $76.40M |
| YoY Change | 4.81% | 6.48% | 36.92% |
| Cash & Equivalents | $32.70M | $31.15M | $76.40M |
| Short-Term Investments | |||
| Other Short-Term Assets | $27.10M | $14.57M | $14.21M |
| YoY Change | -86.87% | 1.19% | -21.76% |
| Inventory | $8.100M | $7.000M | |
| Prepaid Expenses | $7.600M | ||
| Receivables | $86.40M | $87.70M | $100.7M |
| Other Receivables | $500.0K | $1.498M | $4.445M |
| Total Short-Term Assets | $154.8M | $332.2M | $375.4M |
| YoY Change | -53.4% | -9.04% | 97.12% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $1.367B | $1.200B | $2.119B |
| YoY Change | 13.88% | -64.22% | -30.86% |
| Goodwill | |||
| YoY Change | |||
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | $244.0M | $192.5M | $160.2M |
| YoY Change | 26.75% | 230.3% | 292.65% |
| Other Assets | $16.70M | $10.83M | $11.85M |
| YoY Change | -81.09% | -29.15% | 604.28% |
| Total Long-Term Assets | $1.628B | $1.481B | $2.457B |
| YoY Change | 9.88% | -58.23% | -21.81% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $154.8M | $332.2M | $375.4M |
| Total Long-Term Assets | $1.628B | $1.481B | $2.457B |
| Total Assets | $1.782B | $1.813B | $2.832B |
| YoY Change | -1.71% | -53.63% | -15.01% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $15.10M | $14.18M | $23.65M |
| YoY Change | 6.34% | -63.65% | -57.36% |
| Accrued Expenses | $114.5M | $127.3M | $113.0M |
| YoY Change | -10.05% | -46.35% | -41.84% |
| Deferred Revenue | |||
| YoY Change | |||
| Short-Term Debt | $0.00 | $0.00 | $0.00 |
| YoY Change | |||
| Long-Term Debt Due | |||
| YoY Change | |||
| Total Short-Term Liabilities | $187.9M | $216.8M | $291.5M |
| YoY Change | -13.33% | -38.72% | -8.37% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $1.354B | $1.416B | $1.416B |
| YoY Change | -4.4% | -20.41% | -10.2% |
| Other Long-Term Liabilities | $59.90M | $4.040M | $4.141M |
| YoY Change | 22.75% | -35.17% | -32.45% |
| Total Long-Term Liabilities | $1.414B | $1.420B | $1.420B |
| YoY Change | -3.49% | -20.46% | -10.29% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $187.9M | $216.8M | $291.5M |
| Total Long-Term Liabilities | $1.414B | $1.420B | $1.420B |
| Total Liabilities | $1.602B | $1.682B | $1.744B |
| YoY Change | -4.76% | -28.36% | -11.85% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | -$1.957B | -$992.7M | |
| YoY Change | -874.9% | -2034.51% | |
| Common Stock | $2.089B | $2.081B | |
| YoY Change | 59.38% | 59.69% | |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | |||
| YoY Change | |||
| Treasury Stock Shares | |||
| Shareholders Equity | $180.6M | $131.4M | $1.089B |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $1.782B | $1.813B | $2.832B |
| YoY Change | -1.71% | -53.63% | -15.01% |
Cashflow Statement
| Concept | 2016 | 2015 Q4 | 2015 Q3 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | -$260.7M | -$964.6M | -$847.8M |
| YoY Change | -88.2% | -579.26% | -1116.44% |
| Depreciation, Depletion And Amortization | $148.3M | $66.90M | $66.78M |
| YoY Change | -46.59% | -16.27% | 4.43% |
| Cash From Operating Activities | $356.3M | $90.40M | $111.2M |
| YoY Change | 12.77% | -25.9% | -18.36% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | -$498.2M | -$98.50M | -$118.9M |
| YoY Change | -21.25% | -72.31% | -77.87% |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | -$66.20M | -$37.20M | $16.80M |
| YoY Change | 89.68% | 113.79% | -198.25% |
| Cash From Investing Activities | -$564.4M | -$135.6M | -$102.3M |
| YoY Change | -15.45% | -63.68% | -81.55% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | |||
| YoY Change | |||
| Common Stock Issuance & Retirement, Net | -$276.1M | ||
| YoY Change | -63.26% | ||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | $209.6M | -100.0K | 9.900M |
| YoY Change | -40.68% | -100.04% | -86.71% |
| NET CHANGE | |||
| Cash From Operating Activities | $356.3M | 90.40M | 111.2M |
| Cash From Investing Activities | -$564.4M | -135.6M | -102.3M |
| Cash From Financing Activities | $209.6M | -100.0K | 9.900M |
| Net Change In Cash | $1.518M | -45.30M | 18.80M |
| YoY Change | -17.18% | 71.59% | -105.47% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | $356.3M | $90.40M | $111.2M |
| Capital Expenditures | -$498.2M | -$98.50M | -$118.9M |
| Free Cash Flow | $854.5M | $188.9M | $230.1M |
| YoY Change | -9.92% | -60.46% | -65.84% |
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OilAndGasMidstreamServiceRevenue
|
6548000 | USD |
| CY2016 | lpi |
Oil And Gas Midstream Service Revenue
OilAndGasMidstreamServiceRevenue
|
8342000 | USD |
| CY2014 | lpi |
Oil And Gas Property Lease Operating Expense Including Production Tax
OilAndGasPropertyLeaseOperatingExpenseIncludingProductionTax
|
146815000 | USD |
| CY2015 | lpi |
Oil And Gas Property Lease Operating Expense Including Production Tax
OilAndGasPropertyLeaseOperatingExpenseIncludingProductionTax
|
141233000 | USD |
| CY2016 | lpi |
Oil And Gas Property Lease Operating Expense Including Production Tax
OilAndGasPropertyLeaseOperatingExpenseIncludingProductionTax
|
103913000 | USD |
| CY2015Q4 | lpi |
Oil Gas Properties Lease Operating Expense Accrual
OilGasPropertiesLeaseOperatingExpenseAccrual
|
13205000 | USD |
| CY2016Q4 | lpi |
Oil Gas Properties Lease Operating Expense Accrual
OilGasPropertiesLeaseOperatingExpenseAccrual
|
10572000 | USD |
| CY2015Q4 | lpi |
Other Assets Current Not Separately Disclosed
OtherAssetsCurrentNotSeparatelyDisclosed
|
244533000 | USD |
| CY2016Q4 | lpi |
Other Assets Current Not Separately Disclosed
OtherAssetsCurrentNotSeparatelyDisclosed
|
67910000 | USD |
| CY2015Q4 | lpi |
Other Assets Noncurrent Not Separately Disclosed
OtherAssetsNoncurrentNotSeparatelyDisclosed
|
88276000 | USD |
| CY2016Q4 | lpi |
Other Assets Noncurrent Not Separately Disclosed
OtherAssetsNoncurrentNotSeparatelyDisclosed
|
16749000 | USD |
| CY2015Q4 | lpi |
Other Liabilities Current Not Separately Disclosed
OtherLiabilitiesCurrentNotSeparatelyDisclosed
|
202634000 | USD |
| CY2016Q4 | lpi |
Other Liabilities Current Not Separately Disclosed
OtherLiabilitiesCurrentNotSeparatelyDisclosed
|
172891000 | USD |
| CY2015Q4 | lpi |
Other Liabilities Noncurrent Not Separately Disclosed
OtherLiabilitiesNoncurrentNotSeparatelyDisclosed
|
48799000 | USD |
| CY2016Q4 | lpi |
Other Liabilities Noncurrent Not Separately Disclosed
OtherLiabilitiesNoncurrentNotSeparatelyDisclosed
|
59919000 | USD |
| CY2014 | lpi |
Payments To Acquire Midstream Service Assets
PaymentsToAcquireMidstreamServiceAssets
|
60548000 | USD |
| CY2015 | lpi |
Payments To Acquire Midstream Service Assets
PaymentsToAcquireMidstreamServiceAssets
|
35459000 | USD |
| CY2016 | lpi |
Payments To Acquire Midstream Service Assets
PaymentsToAcquireMidstreamServiceAssets
|
5240000 | USD |
| CY2014 | lpi |
Percentage Of Proved Reserves Estimated By Independent Reserve Engineers
PercentageOfProvedReservesEstimatedByIndependentReserveEngineers
|
1 | |
| CY2015 | lpi |
Percentage Of Proved Reserves Estimated By Independent Reserve Engineers
PercentageOfProvedReservesEstimatedByIndependentReserveEngineers
|
1 | |
| CY2016 | lpi |
Percentage Of Proved Reserves Estimated By Independent Reserve Engineers
PercentageOfProvedReservesEstimatedByIndependentReserveEngineers
|
1 | |
| CY2014 | lpi |
Premiums Paid For Derivative Financial Instruments
PremiumsPaidForDerivativeFinancialInstruments
|
7419000 | USD |
| CY2015 | lpi |
Premiums Paid For Derivative Financial Instruments
PremiumsPaidForDerivativeFinancialInstruments
|
5167000 | USD |
| CY2016 | lpi |
Premiums Paid For Derivative Financial Instruments
PremiumsPaidForDerivativeFinancialInstruments
|
89669000 | USD |
| CY2014 | lpi |
Proceeds From Payments For Cash Settlements Early Terminations Of Derivative Financial Instruments Net
ProceedsFromPaymentsForCashSettlementsEarlyTerminationsOfDerivativeFinancialInstrumentsNet
|
76660000 | USD |
| CY2015 | lpi |
Proceeds From Payments For Cash Settlements Early Terminations Of Derivative Financial Instruments Net
ProceedsFromPaymentsForCashSettlementsEarlyTerminationsOfDerivativeFinancialInstrumentsNet
|
0 | USD |
| CY2016 | lpi |
Proceeds From Payments For Cash Settlements Early Terminations Of Derivative Financial Instruments Net
ProceedsFromPaymentsForCashSettlementsEarlyTerminationsOfDerivativeFinancialInstrumentsNet
|
80000000 | USD |
| CY2014 | lpi |
Proceedsfrom Saleof Oiland Gas Propertyand Equipment Deposit
ProceedsfromSaleofOilandGasPropertyandEquipmentDeposit
|
0 | USD |
| CY2015 | lpi |
Proceedsfrom Saleof Oiland Gas Propertyand Equipment Deposit
ProceedsfromSaleofOilandGasPropertyandEquipmentDeposit
|
0 | USD |
| CY2016 | lpi |
Proceedsfrom Saleof Oiland Gas Propertyand Equipment Deposit
ProceedsfromSaleofOilandGasPropertyandEquipmentDeposit
|
3000000 | USD |
| CY2014Q4 | lpi |
Property Plant And Equipment Including Equity Method Investments Gross
PropertyPlantAndEquipmentIncludingEquityMethodInvestmentsGross
|
5021017000 | USD |
| CY2015Q4 | lpi |
Property Plant And Equipment Including Equity Method Investments Gross
PropertyPlantAndEquipmentIncludingEquityMethodInvestmentsGross
|
5645976000 | USD |
| CY2016Q4 | lpi |
Property Plant And Equipment Including Equity Method Investments Gross
PropertyPlantAndEquipmentIncludingEquityMethodInvestmentsGross
|
6172024000 | USD |
| CY2014 | lpi |
Unamortized Costs Capitalized Before Related Deferred Income Taxes Exceed Ceiling Limitations Expense
UnamortizedCostsCapitalizedBeforeRelatedDeferredIncomeTaxesExceedCeilingLimitationsExpense
|
0 | USD |
| CY2015 | lpi |
Unamortized Costs Capitalized Before Related Deferred Income Taxes Exceed Ceiling Limitations Expense
UnamortizedCostsCapitalizedBeforeRelatedDeferredIncomeTaxesExceedCeilingLimitationsExpense
|
2400000000 | USD |
| CY2016 | lpi |
Unamortized Costs Capitalized Before Related Deferred Income Taxes Exceed Ceiling Limitations Expense
UnamortizedCostsCapitalizedBeforeRelatedDeferredIncomeTaxesExceedCeilingLimitationsExpense
|
161100000 | USD |
| CY2015Q4 | lpi |
Undistributed Revenue And Accrued Royalties Current
UndistributedRevenueAndAccruedRoyaltiesCurrent
|
34540000 | USD |
| CY2016Q4 | lpi |
Undistributed Revenue And Accrued Royalties Current
UndistributedRevenueAndAccruedRoyaltiesCurrent
|
26838000 | USD |
| CY2015Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
14181000 | USD |
| CY2016Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
15054000 | USD |
| CY2015Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
87699000 | USD |
| CY2016Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
86867000 | USD |
| CY2015Q4 | us-gaap |
Accrual For Environmental Loss Contingencies
AccrualForEnvironmentalLossContingencies
|
0 | USD |
| CY2016Q4 | us-gaap |
Accrual For Environmental Loss Contingencies
AccrualForEnvironmentalLossContingencies
|
0 | USD |
| CY2015Q4 | us-gaap |
Accumulated Amortization Of Noncurrent Deferred Finance Costs
AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts
|
17000000 | USD |
| CY2016Q4 | us-gaap |
Accumulated Amortization Of Noncurrent Deferred Finance Costs
AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts
|
21300000 | USD |
| CY2015Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
2086652000 | USD |
| CY2016Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
2396236000 | USD |
| CY2014 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
4242000 | USD |
| CY2015 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
2811000 | USD |
| CY2016 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
1635000 | USD |
| CY2014 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
27729000 | USD |
| CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
26830000 | USD |
| CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
35240000 | USD |
| CY2014 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
23079000 | USD |
| CY2015 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
24509000 | USD |
| CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
29229000 | USD |
| CY2015Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
200000 | USD |
| CY2016Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
|
200000 | USD |
| CY2014 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
5137000 | USD |
| CY2015 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
4727000 | USD |
| CY2016 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
4279000 | USD |
| CY2014 | us-gaap |
Asset Impairment Charges
AssetImpairmentCharges
|
3904000 | USD |
| CY2015 | us-gaap |
Asset Impairment Charges
AssetImpairmentCharges
|
2374888000 | USD |
| CY2016 | us-gaap |
Asset Impairment Charges
AssetImpairmentCharges
|
162027000 | USD |
| CY2014Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
32198000 | USD |
| CY2015Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
46306000 | USD |
| CY2016Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
52207000 | USD |
| CY2014 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
1787000 | USD |
| CY2015 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
2423000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
3483000 | USD |
| CY2015 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
2236000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
1528000 | USD |
| CY2015 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
2005000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
|
0 | USD |
| CY2015 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
11600000 | USD |
| CY2016 | us-gaap |
Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
|
2132000 | USD |
| CY2015Q4 | us-gaap |
Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
|
44759000 | USD |
| CY2016Q4 | us-gaap |
Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
|
50604000 | USD |
| CY2015Q4 | us-gaap |
Assets
Assets
|
1813287000 | USD |
| CY2016Q4 | us-gaap |
Assets
Assets
|
1782346000 | USD |
| CY2015Q4 | us-gaap |
Assets Current
AssetsCurrent
|
332232000 | USD |
| CY2016Q4 | us-gaap |
Assets Current
AssetsCurrent
|
154777000 | USD |
| CY2014 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
31913000 | USD |
| CY2015 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
-86369000 | USD |
| CY2016 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
-31027000 | USD |
| CY2014Q4 | us-gaap |
Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities
CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
|
1586237000 | USD |
| CY2015Q4 | us-gaap |
Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities
CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
|
4218942000 | USD |
| CY2016Q4 | us-gaap |
Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities
CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
|
4514183000 | USD |
| CY2013 | us-gaap |
Capitalized Costs Of Unproved Properties Excluded From Amortization
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
|
3328000 | USD |
| CY2014 | us-gaap |
Capitalized Costs Of Unproved Properties Excluded From Amortization
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
|
67467000 | USD |
| CY2015 | us-gaap |
Capitalized Costs Of Unproved Properties Excluded From Amortization
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
|
1839000 | USD |
| CY2016 | us-gaap |
Capitalized Costs Of Unproved Properties Excluded From Amortization
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
|
148647000 | USD |
| CY2014Q4 | us-gaap |
Capitalized Costs Of Unproved Properties Excluded From Amortization Cumulative
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative
|
342731000 | USD |
| CY2015Q4 | us-gaap |
Capitalized Costs Of Unproved Properties Excluded From Amortization Cumulative
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative
|
140299000 | USD |
| CY2016Q4 | us-gaap |
Capitalized Costs Of Unproved Properties Excluded From Amortization Cumulative
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative
|
221281000 | USD |
| CY2014Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Gross
CapitalizedCostsOilAndGasProducingActivitiesGross
|
4789512000 | USD |
| CY2015Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Gross
CapitalizedCostsOilAndGasProducingActivitiesGross
|
5243934000 | USD |
| CY2016Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Gross
CapitalizedCostsOilAndGasProducingActivitiesGross
|
5710037000 | USD |
| CY2014Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
|
3203275000 | USD |
| CY2015Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
|
1024992000 | USD |
| CY2016Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
|
1195854000 | USD |
| CY2014Q4 | us-gaap |
Capitalized Costs Proved Properties
CapitalizedCostsProvedProperties
|
4446781000 | USD |
| CY2015Q4 | us-gaap |
Capitalized Costs Proved Properties
CapitalizedCostsProvedProperties
|
5103635000 | USD |
| CY2016Q4 | us-gaap |
Capitalized Costs Proved Properties
CapitalizedCostsProvedProperties
|
5488756000 | USD |
| CY2013Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
198153000 | USD |
| CY2014Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
29321000 | USD |
| CY2015Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
31154000 | USD |
| CY2016Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
32672000 | USD |
| CY2014 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-168832000 | USD |
| CY2015 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
1833000 | USD |
| CY2016 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
1518000 | USD |
| CY2016Q4 | us-gaap |
Cash Uninsured Amount
CashUninsuredAmount
|
40100000 | USD |
| CY2015Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2016Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2015Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
| CY2016Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
| CY2015Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
450000000 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
450000000 | shares |
| CY2015Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
213808003 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
241929070 | shares |
| CY2015Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
213808003 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
241929070 | shares |
| CY2015Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
2138000 | USD |
| CY2016Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
2419000 | USD |
| CY2014 | us-gaap |
Cost Of Purchased Oil And Gas
CostOfPurchasedOilAndGas
|
53967000 | USD |
| CY2015 | us-gaap |
Cost Of Purchased Oil And Gas
CostOfPurchasedOilAndGas
|
174338000 | USD |
| CY2016 | us-gaap |
Cost Of Purchased Oil And Gas
CostOfPurchasedOilAndGas
|
169536000 | USD |
| CY2014 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
567499000 | USD |
| CY2015 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
3078154000 | USD |
| CY2016 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
685340000 | USD |
| CY2014 | us-gaap |
Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves
CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
|
3873000 | USD |
| CY2015 | us-gaap |
Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves
CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
|
0 | USD |
| CY2016 | us-gaap |
Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves
CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
|
5905000 | USD |
| CY2014 | us-gaap |
Costs Incurred Acquisition Of Unproved Oil And Gas Properties
CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
|
9925000 | USD |
| CY2015 | us-gaap |
Costs Incurred Acquisition Of Unproved Oil And Gas Properties
CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
|
0 | USD |
| CY2016 | us-gaap |
Costs Incurred Acquisition Of Unproved Oil And Gas Properties
CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
|
119923000 | USD |
| CY2014 | us-gaap |
Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
|
1049317000 | USD |
| CY2015 | us-gaap |
Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
|
500577000 | USD |
| CY2016 | us-gaap |
Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
|
298942000 | USD |
| CY2014 | us-gaap |
Costs Incurred Exploration Costs
CostsIncurredExplorationCosts
|
242284000 | USD |
| CY2015 | us-gaap |
Costs Incurred Exploration Costs
CostsIncurredExplorationCosts
|
20697000 | USD |
| CY2016 | us-gaap |
Costs Incurred Exploration Costs
CostsIncurredExplorationCosts
|
41333000 | USD |
| CY2014 | us-gaap |
Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities
CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
|
1305399000 | USD |
| CY2015 | us-gaap |
Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities
CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
|
521274000 | USD |
| CY2016 | us-gaap |
Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities
CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
|
466103000 | USD |
| CY2014 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2014 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
0 | USD |
| CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
0 | USD |
| CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
0 | USD |
| CY2015Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
1435000000 | USD |
| CY2016Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
1370000000 | USD |
| CY2014 | us-gaap |
Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
|
0 | USD |
| CY2015 | us-gaap |
Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
|
29149000 | USD |
| CY2016 | us-gaap |
Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
|
0 | USD |
| CY2014 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
147445000 | USD |
| CY2015 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-152590000 | USD |
| CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
0 | USD |
| CY2015Q4 | us-gaap |
Deferred Finance Costs Net
DeferredFinanceCostsNet
|
18774000 | USD |
| CY2016Q4 | us-gaap |
Deferred Finance Costs Net
DeferredFinanceCostsNet
|
16091000 | USD |
| CY2015Q4 | us-gaap |
Deferred Finance Costs Noncurrent Net
DeferredFinanceCostsNoncurrentNet
|
23900000 | USD |
| CY2016Q4 | us-gaap |
Deferred Finance Costs Noncurrent Net
DeferredFinanceCostsNoncurrentNet
|
18800000 | USD |
| CY2016Q4 | us-gaap |
Deferred Finance Costs Noncurrent Net
DeferredFinanceCostsNoncurrentNet
|
18811000 | USD |
| CY2014 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
164286000 | USD |
| CY2015 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-176945000 | USD |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
0 | USD |
| CY2014 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
164286000 | USD |
| CY2015 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
-176945000 | USD |
| CY2016 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
0 | USD |
| CY2014 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
16841000 | USD |
| CY2015 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
-24355000 | USD |
| CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
0 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
|
-98675000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
|
150000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
479022000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
573521000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
1173000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
743000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Property Plant And Equipment
DeferredTaxAssetsPropertyPlantAndEquipment
|
306997000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Property Plant And Equipment
DeferredTaxAssetsPropertyPlantAndEquipment
|
186473000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Bonuses
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses
|
4763000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Bonuses
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses
|
8834000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
11597000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
15639000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses
|
1647000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses
|
1982000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
677338000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
764816000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Liabilities Investment In Noncontrolled Affiliates
DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates
|
31711000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Investment In Noncontrolled Affiliates
DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates
|
24293000 | USD |
| CY2014 | us-gaap |
Depletion Of Oil And Gas Properties
DepletionOfOilAndGasProperties
|
237100000 | USD |
| CY2015 | us-gaap |
Depletion Of Oil And Gas Properties
DepletionOfOilAndGasProperties
|
263700000 | USD |
| CY2016 | us-gaap |
Depletion Of Oil And Gas Properties
DepletionOfOilAndGasProperties
|
134100000 | USD |
| CY2014 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
246474000 | USD |
| CY2015 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
277724000 | USD |
| CY2016 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
148339000 | USD |
| CY2015Q4 | us-gaap |
Derivative Assets Current
DerivativeAssetsCurrent
|
198805000 | USD |
| CY2016Q4 | us-gaap |
Derivative Assets Current
DerivativeAssetsCurrent
|
20947000 | USD |
| CY2015Q4 | us-gaap |
Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
|
77443000 | USD |
| CY2016Q4 | us-gaap |
Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
|
8718000 | USD |
| CY2015Q4 | us-gaap |
Derivative Liabilities Current
DerivativeLiabilitiesCurrent
|
0 | USD |
| CY2016Q4 | us-gaap |
Derivative Liabilities Current
DerivativeLiabilitiesCurrent
|
20993000 | USD |
| CY2015Q4 | us-gaap |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
0 | USD |
| CY2016Q4 | us-gaap |
Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
|
5694000 | USD |
| CY2015Q4 | us-gaap |
Due To Related Parties Current
DueToRelatedPartiesCurrent
|
27583000 | USD |
| CY2016Q4 | us-gaap |
Due To Related Parties Current
DueToRelatedPartiesCurrent
|
0 | USD |
| CY2014 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.88 | |
| CY2015Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.00 | |
| CY2015Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-1.88 | |
| CY2015Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-4.01 | |
| CY2015Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-4.57 | |
| CY2015 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-11.10 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-0.85 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-0.33 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.04 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-0.08 | |
| CY2016 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-1.16 | |
| CY2014 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.85 | |
| CY2015Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.00 | |
| CY2015Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-1.88 | |
| CY2015Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-4.01 | |
| CY2015Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-4.57 | |
| CY2015 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-11.10 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-0.85 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-0.33 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.04 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-0.08 | |
| CY2016 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-1.16 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.38 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.07 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.00 | |
| CY2014 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
| CY2015Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
14342000 | USD |
| CY2016Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
25947000 | USD |
| CY2014 | us-gaap |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
|
4650000 | USD |
| CY2015 | us-gaap |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
|
2321000 | USD |
| CY2016 | us-gaap |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
|
6011000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Assets
EquityMethodInvestmentSummarizedFinancialInformationAssets
|
434266000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Assets
EquityMethodInvestmentSummarizedFinancialInformationAssets
|
512385000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Assets
EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets
|
82145000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Assets
EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets
|
51390000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Liabilities
EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities
|
41772000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Current Liabilities
EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities
|
14523000 | USD |
| CY2014 | us-gaap |
Equity Method Investment Summarized Financial Information Gross Profit Loss
EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss
|
4623000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Assets
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets
|
460995000 | USD |
| CY2015 | us-gaap |
Equity Method Investment Summarized Financial Information Gross Profit Loss
EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss
|
30869000 | USD |
| CY2016 | us-gaap |
Equity Method Investment Summarized Financial Information Gross Profit Loss
EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss
|
55821000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Liabilities
EquityMethodInvestmentSummarizedFinancialInformationLiabilities
|
41772000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Liabilities
EquityMethodInvestmentSummarizedFinancialInformationLiabilities
|
14523000 | USD |
| CY2014 | us-gaap |
Equity Method Investment Summarized Financial Information Net Income Loss
EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
|
-333000 | USD |
| CY2015 | us-gaap |
Equity Method Investment Summarized Financial Information Net Income Loss
EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
|
13409000 | USD |
| CY2016 | us-gaap |
Equity Method Investment Summarized Financial Information Net Income Loss
EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
|
19601000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Assets
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets
|
352121000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Liabilities
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities
|
0 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investment Summarized Financial Information Noncurrent Liabilities
EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities
|
0 | USD |
| CY2014 | us-gaap |
Equity Method Investment Summarized Financial Information Revenue
EquityMethodInvestmentSummarizedFinancialInformationRevenue
|
4623000 | USD |
| CY2015 | us-gaap |
Equity Method Investment Summarized Financial Information Revenue
EquityMethodInvestmentSummarizedFinancialInformationRevenue
|
38306000 | USD |
| CY2016 | us-gaap |
Equity Method Investment Summarized Financial Information Revenue
EquityMethodInvestmentSummarizedFinancialInformationRevenue
|
56075000 | USD |
| CY2015Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
192524000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
243953000 | USD |
| CY2016 | us-gaap |
Exploratory Wells Drilled Net Productive
ExploratoryWellsDrilledNetProductive
|
4 | location |
| CY2014 | us-gaap |
Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
|
1340022000 | USD |
| CY2015 | us-gaap |
Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
|
192979000 | USD |
| CY2016 | us-gaap |
Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
|
133472000 | USD |
| CY2014Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows
|
16663685000 | USD |
| CY2015Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows
|
3269184000 | USD |
| CY2016Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows
|
3548567000 | USD |
| CY2014Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts
|
2471985000 | USD |
| CY2015Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts
|
376701000 | USD |
| CY2016Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts
|
290505000 | USD |
| CY2014Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense
FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense
|
2827763000 | USD |
| CY2015Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense
FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense
|
0 | USD |
| CY2016Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense
FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense
|
0 | USD |
| CY2014Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows
|
7747162000 | USD |
| CY2015Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows
|
1571012000 | USD |
| CY2016Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows
|
2019693000 | USD |
| CY2014Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts
|
3616775000 | USD |
| CY2015Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts
|
1321471000 | USD |
| CY2016Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts
|
1238369000 | USD |
| CY2014Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows
|
4500434000 | USD |
| CY2015Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows
|
740265000 | USD |
| CY2016Q4 | us-gaap |
Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows
|
1041199000 | USD |
| CY2014 | us-gaap |
Gain Loss On Derivative Instruments Net Pretax
GainLossOnDerivativeInstrumentsNetPretax
|
327920000 | USD |
| CY2015 | us-gaap |
Gain Loss On Derivative Instruments Net Pretax
GainLossOnDerivativeInstrumentsNetPretax
|
214291000 | USD |
| CY2016 | us-gaap |
Gain Loss On Derivative Instruments Net Pretax
GainLossOnDerivativeInstrumentsNetPretax
|
-87425000 | USD |
| CY2014 | us-gaap |
Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments
GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments
|
327920000 | USD |
| CY2015 | us-gaap |
Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments
GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments
|
214291000 | USD |
| CY2016 | us-gaap |
Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments
GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments
|
-87425000 | USD |
| CY2014 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-3252000 | USD |
| CY2015 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-2127000 | USD |
| CY2016 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-790000 | USD |
| CY2014 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
0 | USD |
| CY2015 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
-31537000 | USD |
| CY2016 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
0 | USD |
| CY2014 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
106044000 | USD |
| CY2015 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
90425000 | USD |
| CY2016 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
91756000 | USD |
| CY2014 | us-gaap |
Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
|
0 | USD |
| CY2015 | us-gaap |
Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
|
2369477000 | USD |
| CY2016 | us-gaap |
Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
|
161064000 | USD |
| CY2014 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
429859000 | USD |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-2386881000 | USD |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-260739000 | USD |
| CY2014 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
-192000 | USD |
| CY2015 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
6799000 | USD |
| CY2016 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
9403000 | USD |
| CY2014 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
164286000 | USD |
| CY2015 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-176945000 | USD |
| CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
0 | USD |
| CY2014 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
1139000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
668702000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
86569000 | USD |
| CY2014 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
150450000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
-835408000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
-91259000 | USD |
| CY2014 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
|
509000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
|
256000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
|
0 | USD |
| CY2014 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
823000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
206000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
176000 | USD |
| CY2014 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
11099000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
-13975000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
370000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
23006000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-24827000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
873000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
49953000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
-38975000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
-832000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Due To Related Parties Current
IncreaseDecreaseInDueToRelatedPartiesCurrent
|
-2597000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Due To Related Parties Current
IncreaseDecreaseInDueToRelatedPartiesCurrent
|
27583000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Due To Related Parties Current
IncreaseDecreaseInDueToRelatedPartiesCurrent
|
-27583000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
|
-22961000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
|
-2974000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
|
22153000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
|
-266757000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
|
997805000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
|
0 | USD |
| CY2014 | us-gaap |
Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
|
11804000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
|
-13481000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
|
-56000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
|
23837000 | USD |
| CY2016 | us-gaap |
Interest And Other Income
InterestAndOtherIncome
|
175000 | USD |
| CY2014 | us-gaap |
Interest Costs Capitalized Adjustment
InterestCostsCapitalizedAdjustment
|
150000 | USD |
| CY2015 | us-gaap |
Interest Costs Capitalized Adjustment
InterestCostsCapitalizedAdjustment
|
236000 | USD |
| CY2016 | us-gaap |
Interest Costs Capitalized Adjustment
InterestCostsCapitalizedAdjustment
|
294000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
|
-26996000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
|
17712000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
2825000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
119000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
-419000 | USD |
| CY2014 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
16688000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
2309000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
1013000 | USD |
| CY2014 | us-gaap |
Increase Due To Purchases Of Minerals In Place
IncreaseDueToPurchasesOfMineralsInPlace
|
6100000 | USD |
| CY2015 | us-gaap |
Increase Due To Purchases Of Minerals In Place
IncreaseDueToPurchasesOfMineralsInPlace
|
0 | USD |
| CY2016 | us-gaap |
Increase Due To Purchases Of Minerals In Place
IncreaseDueToPurchasesOfMineralsInPlace
|
3422000 | USD |
| CY2014 | us-gaap |
Interest And Other Income
InterestAndOtherIncome
|
294000 | USD |
| CY2015 | us-gaap |
Interest And Other Income
InterestAndOtherIncome
|
426000 | USD |
| CY2014 | us-gaap |
Interest Costs Incurred
InterestCostsIncurred
|
121323000 | USD |
| CY2015 | us-gaap |
Interest Costs Incurred
InterestCostsIncurred
|
103455000 | USD |
| CY2016 | us-gaap |
Interest Costs Incurred
InterestCostsIncurred
|
93592000 | USD |
| CY2014 | us-gaap |
Interest Expense
InterestExpense
|
121173000 | USD |
| CY2015 | us-gaap |
Interest Expense
InterestExpense
|
103219000 | USD |
| CY2016 | us-gaap |
Interest Expense
InterestExpense
|
93298000 | USD |
| CY2014 | us-gaap |
Interest Expense Debt Excluding Amortization
InterestExpenseDebtExcludingAmortization
|
105086000 | USD |
| CY2015 | us-gaap |
Interest Expense Debt Excluding Amortization
InterestExpenseDebtExcludingAmortization
|
112693000 | USD |
| CY2016 | us-gaap |
Interest Expense Debt Excluding Amortization
InterestExpenseDebtExcludingAmortization
|
89726000 | USD |
| CY2014 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
150000 | USD |
| CY2015 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
236000 | USD |
| CY2016 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
294000 | USD |
| CY2014 | us-gaap |
Interest Paid Net
InterestPaidNet
|
104936000 | USD |
| CY2015 | us-gaap |
Interest Paid Net
InterestPaidNet
|
112457000 | USD |
| CY2016 | us-gaap |
Interest Paid Net
InterestPaidNet
|
89432000 | USD |
| CY2015Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
24208000 | USD |
| CY2016Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
24152000 | USD |
| CY2015Q4 | us-gaap |
Investments In Affiliates Subsidiaries Associates And Joint Ventures
InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
|
192524000 | USD |
| CY2016Q4 | us-gaap |
Investments In Affiliates Subsidiaries Associates And Joint Ventures
InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
|
243953000 | USD |
| CY2014 | us-gaap |
Lease Operating Expense
LeaseOperatingExpense
|
96503000 | USD |
| CY2015 | us-gaap |
Lease Operating Expense
LeaseOperatingExpense
|
108341000 | USD |
| CY2016 | us-gaap |
Lease Operating Expense
LeaseOperatingExpense
|
75327000 | USD |
| CY2015Q4 | us-gaap |
Liabilities
Liabilities
|
1681840000 | USD |
| CY2016Q4 | us-gaap |
Liabilities
Liabilities
|
1601773000 | USD |
| CY2015Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
1813287000 | USD |
| CY2016Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
1782346000 | USD |
| CY2015Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
216815000 | USD |
| CY2016Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
187945000 | USD |
| CY2015Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-964647000 | USD |
| CY2015 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-2209936000 | USD |
| CY2016Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-180371000 | USD |
| CY2016Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-71432000 | USD |
| CY2016Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
9485000 | USD |
| CY2016Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-18421000 | USD |
| CY2016 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-260739000 | USD |
| CY2015Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
1416226000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
1353909000 | USD |
| CY2015Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
1416226000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
1353909000 | USD |
| CY2014 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
739852000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
353393000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
209625000 | USD |
| CY2014 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-1406961000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-667507000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-564402000 | USD |
| CY2014 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
498277000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
315947000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
356295000 | USD |
| CY2014 | us-gaap |
Net Income Loss
NetIncomeLoss
|
265573000 | USD |
| CY2015Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-472000 | USD |
| CY2015Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-397034000 | USD |
| CY2015Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-847783000 | USD |
| CY2014 | us-gaap |
Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
|
145740000 | USD |
| CY2015 | us-gaap |
Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
|
-1495144000 | USD |
| CY2016 | us-gaap |
Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
|
-80102000 | USD |
| CY2014 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
203473000 | USD |
| CY2015 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
84633000 | USD |
| CY2016 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-172777000 | USD |
| CY2016 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
2 | segment |
| CY2015Q4 | us-gaap |
Oil And Gas Joint Interest Billing Receivables Current
OilAndGasJointInterestBillingReceivablesCurrent
|
21375000 | USD |
| CY2016Q4 | us-gaap |
Oil And Gas Joint Interest Billing Receivables Current
OilAndGasJointInterestBillingReceivablesCurrent
|
12175000 | USD |
| CY2015Q4 | us-gaap |
Oil And Gas Property Full Cost Method Net
OilAndGasPropertyFullCostMethodNet
|
1024992000 | USD |
| CY2016Q4 | us-gaap |
Oil And Gas Property Full Cost Method Net
OilAndGasPropertyFullCostMethodNet
|
1195854000 | USD |
| CY2015Q4 | us-gaap |
Oil And Gas Sales Payable Current And Noncurrent
OilAndGasSalesPayableCurrentAndNoncurrent
|
12189000 | USD |
| CY2016Q4 | us-gaap |
Oil And Gas Sales Payable Current And Noncurrent
OilAndGasSalesPayableCurrentAndNoncurrent
|
17213000 | USD |
| CY2014 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
737203000 | USD |
| CY2015 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
431734000 | USD |
| CY2016 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
426485000 | USD |
| CY2014 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
226386000 | USD |
| CY2015Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-26498000 | USD |
| CY2015Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-501480000 | USD |
| CY2015Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-927859000 | USD |
| CY2016 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
5692000 | USD |
| CY2015Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
106222000 | USD |
| CY2015Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-1015677000 | USD |
| CY2015 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-2471514000 | USD |
| CY2016Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-176788000 | USD |
| CY2016Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
17874000 | USD |
| CY2016Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
25492000 | USD |
| CY2016Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
45460000 | USD |
| CY2016 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-87962000 | USD |
| CY2016Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
20304000 | USD |
| CY2016Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
3127000 | USD |
| CY2016Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
1826000 | USD |
| CY2016Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
2031000 | USD |
| CY2016Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
3121000 | USD |
| CY2016Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
3177000 | USD |
| CY2016Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
7022000 | USD |
| CY2014 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
3042000 | USD |
| CY2015 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
2880000 | USD |
| CY2016 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
2664000 | USD |
| CY2015Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
14695000 | USD |
| CY2016Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
16331000 | USD |
| CY2015Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
14574000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
14291000 | USD |
| CY2015Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
10833000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
8031000 | USD |
| CY2014 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
4866000 | USD |
| CY2015 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
13700000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
94215000 | USD |
| CY2015Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
4040000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
3621000 | USD |
| CY2014 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
324352000 | USD |
| CY2015 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
187426000 | USD |
| CY2016 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-79654000 | USD |
| CY2014 | us-gaap |
Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
|
5442000 | USD |
| CY2015 | us-gaap |
Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
|
4554000 | USD |
| CY2016 | us-gaap |
Other Operating Activities Cash Flow Statement
OtherOperatingActivitiesCashFlowStatement
|
4596000 | USD |
| CY2015Q4 | us-gaap |
Other Receivables Net Current
OtherReceivablesNetCurrent
|
1498000 | USD |
| CY2016Q4 | us-gaap |
Other Receivables Net Current
OtherReceivablesNetCurrent
|
421000 | USD |
| CY2014 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
4242000 | USD |
| CY2015 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
2811000 | USD |
| CY2016 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
1635000 | USD |
| CY2014 | us-gaap |
Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
|
7791000 | USD |
| CY2015 | us-gaap |
Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
|
6759000 | USD |
| CY2016 | us-gaap |
Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
|
0 | USD |
| CY2014 | us-gaap |
Payments To Acquire Businesses Gross
PaymentsToAcquireBusinessesGross
|
6493000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Businesses Gross
PaymentsToAcquireBusinessesGross
|
0 | USD |
| CY2016 | us-gaap |
Payments To Acquire Businesses Gross
PaymentsToAcquireBusinessesGross
|
124660000 | USD |
| CY2014 | us-gaap |
Payments To Acquire Equity Method Investments
PaymentsToAcquireEquityMethodInvestments
|
55164000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Equity Method Investments
PaymentsToAcquireEquityMethodInvestments
|
99855000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Equity Method Investments
PaymentsToAcquireEquityMethodInvestments
|
69609000 | USD |
| CY2014 | us-gaap |
Payments To Acquire Mineral Rights
PaymentsToAcquireMineralRights
|
7305000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Mineral Rights
PaymentsToAcquireMineralRights
|
0 | USD |
| CY2016 | us-gaap |
Payments To Acquire Mineral Rights
PaymentsToAcquireMineralRights
|
0 | USD |
| CY2014 | us-gaap |
Payments To Acquire Other Productive Assets
PaymentsToAcquireOtherProductiveAssets
|
27444000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Other Productive Assets
PaymentsToAcquireOtherProductiveAssets
|
9125000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Other Productive Assets
PaymentsToAcquireOtherProductiveAssets
|
7611000 | USD |
| CY2014 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
1339749000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
632601000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
373530000 | USD |
| CY2014 | us-gaap |
Payments To Explore And Develop Oil And Gas Properties
PaymentsToExploreAndDevelopOilAndGasProperties
|
1251757000 | USD |
| CY2015 | us-gaap |
Payments To Explore And Develop Oil And Gas Properties
PaymentsToExploreAndDevelopOilAndGasProperties
|
588017000 | USD |
| CY2016 | us-gaap |
Payments To Explore And Develop Oil And Gas Properties
PaymentsToExploreAndDevelopOilAndGasProperties
|
360679000 | USD |
| CY2015Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.01 | |
| CY2016Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.01 | |
| CY2015Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
50000000 | shares |
| CY2016Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
50000000 | shares |
| CY2015Q4 | us-gaap |
Preferred Stock Shares Issued
PreferredStockSharesIssued
|
0 | shares |
| CY2016Q4 | us-gaap |
Preferred Stock Shares Issued
PreferredStockSharesIssued
|
0 | shares |
| CY2015Q4 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
0 | USD |
| CY2016Q4 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
0 | USD |
| CY2015Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
7600000 | USD |
| CY2016Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
6228000 | USD |
| CY2014 | us-gaap |
Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
|
92135000 | USD |
| CY2015 | us-gaap |
Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
|
162237000 | USD |
| CY2016 | us-gaap |
Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
|
189085000 | USD |
| CY2014 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
0 | USD |
| CY2015 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
754163000 | USD |
| CY2016 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
276052000 | USD |
| CY2014 | us-gaap |
Proceeds From Long Term Lines Of Credit
ProceedsFromLongTermLinesOfCredit
|
300000000 | USD |
| CY2015 | us-gaap |
Proceeds From Long Term Lines Of Credit
ProceedsFromLongTermLinesOfCredit
|
310000000 | USD |
| CY2016 | us-gaap |
Proceeds From Long Term Lines Of Credit
ProceedsFromLongTermLinesOfCredit
|
239682000 | USD |
| CY2014 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
1750000 | USD |
| CY2015 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
64949000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale Of Productive Assets
ProceedsFromSaleOfProductiveAssets
|
397000 | USD |
| CY2014 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
1885000 | USD |
| CY2015 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
0 | USD |
| CY2016 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
208000 | USD |
| CY2014 | us-gaap |
Production Tax Expense
ProductionTaxExpense
|
50312000 | USD |
| CY2015 | us-gaap |
Production Tax Expense
ProductionTaxExpense
|
32892000 | USD |
| CY2016 | us-gaap |
Production Tax Expense
ProductionTaxExpense
|
28586000 | USD |
| CY2014Q4 | us-gaap |
Proved Developed Reserves Boe1
ProvedDevelopedReservesBOE1
|
105557 | MBoe |
| CY2015Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
1200255000 | USD |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
1366867000 | USD |
| CY2015Q4 | us-gaap |
Property Plant And Equipment Other Net
PropertyPlantAndEquipmentOtherNet
|
43538000 | USD |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Other Net
PropertyPlantAndEquipmentOtherNet
|
44773000 | USD |
| CY2014 | us-gaap |
Proved Developed And Undeveloped Reserve Extension And Discovery Energy
ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy
|
76539 | MBoe |
| CY2015 | us-gaap |
Proved Developed And Undeveloped Reserve Extension And Discovery Energy
ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy
|
22388 | MBoe |
| CY2016 | us-gaap |
Proved Developed And Undeveloped Reserve Extension And Discovery Energy
ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy
|
24940 | MBoe |
| CY2013Q4 | us-gaap |
Proved Developed And Undeveloped Reserve Net Energy
ProvedDevelopedAndUndevelopedReserveNetEnergy
|
203615 | MBoe |
| CY2014Q4 | us-gaap |
Proved Developed And Undeveloped Reserve Net Energy
ProvedDevelopedAndUndevelopedReserveNetEnergy
|
247322 | MBoe |
| CY2015Q4 | us-gaap |
Proved Developed And Undeveloped Reserve Net Energy
ProvedDevelopedAndUndevelopedReserveNetEnergy
|
125698 | MBoe |
| CY2016Q4 | us-gaap |
Proved Developed And Undeveloped Reserve Net Energy
ProvedDevelopedAndUndevelopedReserveNetEnergy
|
167100 | MBoe |
| CY2014 | us-gaap |
Proved Developed And Undeveloped Reserve Production Energy
ProvedDevelopedAndUndevelopedReserveProductionEnergy
|
11729 | MBoe |
| CY2015 | us-gaap |
Proved Developed And Undeveloped Reserve Production Energy
ProvedDevelopedAndUndevelopedReserveProductionEnergy
|
16346 | MBoe |
| CY2016 | us-gaap |
Proved Developed And Undeveloped Reserve Production Energy
ProvedDevelopedAndUndevelopedReserveProductionEnergy
|
18149 | MBoe |
| CY2014 | us-gaap |
Proved Developed And Undeveloped Reserve Purchase Of Mineral In Place Energy
ProvedDevelopedAndUndevelopedReservePurchaseOfMineralInPlaceEnergy
|
256 | MBoe |
| CY2016 | us-gaap |
Proved Developed And Undeveloped Reserve Purchase Of Mineral In Place Energy
ProvedDevelopedAndUndevelopedReservePurchaseOfMineralInPlaceEnergy
|
529 | MBoe |
| CY2014 | us-gaap |
Proved Developed And Undeveloped Reserve Revision Of Previous Estimate Energy
ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergy
|
-21359 | MBoe |
| CY2015 | us-gaap |
Proved Developed And Undeveloped Reserve Revision Of Previous Estimate Energy
ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergy
|
-124180 | MBoe |
| CY2016 | us-gaap |
Proved Developed And Undeveloped Reserve Revision Of Previous Estimate Energy
ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergy
|
34082 | MBoe |
| CY2015 | us-gaap |
Proved Developed And Undeveloped Reserves Sale Of Mineral In Place Energy
ProvedDevelopedAndUndevelopedReservesSaleOfMineralInPlaceEnergy
|
3486 | MBoe |
| CY2013Q4 | us-gaap |
Proved Developed Reserves Boe1
ProvedDevelopedReservesBOE1
|
71725 | MBoe |
| CY2015Q4 | us-gaap |
Proved Developed Reserves Boe1
ProvedDevelopedReservesBOE1
|
100395 | MBoe |
| CY2016Q4 | us-gaap |
Proved Developed Reserves Boe1
ProvedDevelopedReservesBOE1
|
141155 | MBoe |
| CY2013Q4 | us-gaap |
Proved Undeveloped Reserve Boe1
ProvedUndevelopedReserveBOE1
|
131890 | MBoe |
| CY2014Q4 | us-gaap |
Proved Undeveloped Reserve Boe1
ProvedUndevelopedReserveBOE1
|
141765 | MBoe |
| CY2015Q4 | us-gaap |
Proved Undeveloped Reserve Boe1
ProvedUndevelopedReserveBOE1
|
25303 | MBoe |
| CY2016Q4 | us-gaap |
Proved Undeveloped Reserve Boe1
ProvedUndevelopedReserveBOE1
|
25945 | MBoe |
| CY2014 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
342000 | USD |
| CY2015 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
255000 | USD |
| CY2016 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
0 | USD |
| CY2014 | us-gaap |
Repayments Of Long Term Lines Of Credit
RepaymentsOfLongTermLinesOfCredit
|
0 | USD |
| CY2015 | us-gaap |
Repayments Of Long Term Lines Of Credit
RepaymentsOfLongTermLinesOfCredit
|
475000000 | USD |
| CY2016 | us-gaap |
Repayments Of Long Term Lines Of Credit
RepaymentsOfLongTermLinesOfCredit
|
304682000 | USD |
| CY2014 | us-gaap |
Repayments Of Senior Debt
RepaymentsOfSeniorDebt
|
0 | USD |
| CY2015 | us-gaap |
Repayments Of Senior Debt
RepaymentsOfSeniorDebt
|
576200000 | USD |
| CY2016 | us-gaap |
Repayments Of Senior Debt
RepaymentsOfSeniorDebt
|
0 | USD |
| CY2014 | us-gaap |
Restructuring Charges
RestructuringCharges
|
0 | USD |
| CY2015 | us-gaap |
Restructuring Charges
RestructuringCharges
|
6042000 | USD |
| CY2016 | us-gaap |
Restructuring Charges
RestructuringCharges
|
0 | USD |
| CY2014 | us-gaap |
Results Of Operations Accretion Of Asset Retirement Obligations
ResultsOfOperationsAccretionOfAssetRetirementObligations
|
1721000 | USD |
| CY2015 | us-gaap |
Results Of Operations Accretion Of Asset Retirement Obligations
ResultsOfOperationsAccretionOfAssetRetirementObligations
|
2236000 | USD |
| CY2016 | us-gaap |
Results Of Operations Accretion Of Asset Retirement Obligations
ResultsOfOperationsAccretionOfAssetRetirementObligations
|
3274000 | USD |
| CY2014 | us-gaap |
Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions
ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions
|
237067000 | USD |
| CY2015 | us-gaap |
Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions
ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions
|
263666000 | USD |
| CY2016 | us-gaap |
Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions
ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions
|
134105000 | USD |
| CY2014 | us-gaap |
Results Of Operations Income Tax Expense
ResultsOfOperationsIncomeTaxExpense
|
126576000 | USD |
| CY2015 | us-gaap |
Results Of Operations Income Tax Expense
ResultsOfOperationsIncomeTaxExpense
|
-164141000 | USD |
| CY2016 | us-gaap |
Results Of Operations Income Tax Expense
ResultsOfOperationsIncomeTaxExpense
|
0 | USD |
| CY2014 | us-gaap |
Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs
ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts
|
225024000 | USD |
| CY2015 | us-gaap |
Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs
ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts
|
-2180737000 | USD |
| CY2016 | us-gaap |
Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs
ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts
|
24129000 | USD |
| CY2014 | us-gaap |
Results Of Operations Production Or Lifting Costs
ResultsOfOperationsProductionOrLiftingCosts
|
146815000 | USD |
| CY2015 | us-gaap |
Results Of Operations Production Or Lifting Costs
ResultsOfOperationsProductionOrLiftingCosts
|
141233000 | USD |
| CY2016 | us-gaap |
Results Of Operations Production Or Lifting Costs
ResultsOfOperationsProductionOrLiftingCosts
|
103913000 | USD |
| CY2014 | us-gaap |
Results Of Operations Revenue From Oil And Gas Producing Activities
ResultsOfOperationsRevenueFromOilAndGasProducingActivities
|
737203000 | USD |
| CY2015 | us-gaap |
Results Of Operations Revenue From Oil And Gas Producing Activities
ResultsOfOperationsRevenueFromOilAndGasProducingActivities
|
431734000 | USD |
| CY2016 | us-gaap |
Results Of Operations Revenue From Oil And Gas Producing Activities
ResultsOfOperationsRevenueFromOilAndGasProducingActivities
|
426485000 | USD |
| CY2015Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
-1957343000 | USD |
| CY2016Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
-2218082000 | USD |
| CY2014 | us-gaap |
Revenue From Purchased Oil And Gas
RevenueFromPurchasedOilAndGas
|
54437000 | USD |
| CY2015 | us-gaap |
Revenue From Purchased Oil And Gas
RevenueFromPurchasedOilAndGas
|
168358000 | USD |
| CY2016 | us-gaap |
Revenue From Purchased Oil And Gas
RevenueFromPurchasedOilAndGas
|
162551000 | USD |
| CY2014 | us-gaap |
Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
|
-320275000 | USD |
| CY2015 | us-gaap |
Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
|
-2444322000 | USD |
| CY2016 | us-gaap |
Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
|
179297000 | USD |
| CY2014 | us-gaap |
Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
|
590388000 | USD |
| CY2015 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount
StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
|
424453000 | USD |
| CY2016 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount
StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
|
83075000 | USD |
| CY2013Q4 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
|
2322204000 | USD |
| CY2014Q4 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
|
3246728000 | USD |
| CY2015Q4 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
|
830747000 | USD |
| CY2015Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
131447000 | USD |
| CY2015 | us-gaap |
Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
|
290501000 | USD |
| CY2016 | us-gaap |
Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
|
322573000 | USD |
| CY2014 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
793885000 | USD |
| CY2015Q1 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
150694000 | USD |
| CY2015Q2 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
182331000 | USD |
| CY2015Q3 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
150340000 | USD |
| CY2015Q4 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
123275000 | USD |
| CY2015 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
606640000 | USD |
| CY2016Q1 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
106557000 | USD |
| CY2016Q2 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
146773000 | USD |
| CY2016Q3 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
159734000 | USD |
| CY2016Q4 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
184314000 | USD |
| CY2016 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
597378000 | USD |
| CY2014 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
23079000 | USD |
| CY2015 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
24509000 | USD |
| CY2016 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
29229000 | USD |
| CY2014 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Share Based Liabilities Paid
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid
|
0 | USD |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Share Based Liabilities Paid
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid
|
2738000 | USD |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Share Based Liabilities Paid
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid
|
6394000 | USD |
| CY2014 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other
StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther
|
235583000 | USD |
| CY2015 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other
StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther
|
68635000 | USD |
| CY2016 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other
StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther
|
-60082000 | USD |
| CY2014 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount
StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
|
305325000 | USD |
| CY2016Q4 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
|
978494000 | USD |
| CY2015 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
754163000 | USD |
| CY2016 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
276052000 | USD |
| CY2014 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
1885000 | USD |
| CY2016 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
208000 | USD |
| CY2013Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
1272256000 | USD |
| CY2014Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
1563201000 | USD |
| CY2016Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
180573000 | USD |
| CY2016 | us-gaap |
Threshold Period Past Due For Writeoff Of Trade Accounts Receivable
ThresholdPeriodPastDueForWriteoffOfTradeAccountsReceivable
|
P90D | |
| CY2015Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
0 | USD |
| CY2016Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
0 | USD |
| CY2015 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
676000000 | USD |
| CY2016 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
87500000 | USD |
| CY2014 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
143554000 | shares |
| CY2015 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
199158000 | shares |
| CY2015 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
199158000 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
225512000 | shares |
| CY2014 | us-gaap |
Well Service Expense
WellServiceExpense
|
527000 | USD |
| CY2014 | us-gaap |
Well Service Expense
WellServiceExpense
|
500000 | USD |
| CY2016 | us-gaap |
Well Service Expense
WellServiceExpense
|
0 | USD |
| CY2014 | us-gaap |
Write Off Of Deferred Debt Issuance Cost
WriteOffOfDeferredDebtIssuanceCost
|
124000 | USD |
| CY2016 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
225512000 | shares |
| CY2014 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
141312000 | shares |
| CY2015 | us-gaap |
Well Service Expense
WellServiceExpense
|
0 | USD |
| CY2015 | us-gaap |
Well Service Expense
WellServiceExpense
|
0 | USD |
| CY2016 | us-gaap |
Well Service Expense
WellServiceExpense
|
0 | USD |
| CY2015 | us-gaap |
Write Off Of Deferred Debt Issuance Cost
WriteOffOfDeferredDebtIssuanceCost
|
0 | USD |
| CY2016 | us-gaap |
Write Off Of Deferred Debt Issuance Cost
WriteOffOfDeferredDebtIssuanceCost
|
842000 | USD |
| CY2016 | us-gaap |
Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
|
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;padding-top:10px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Credit risk</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company's oil, NGL and natural gas sales are made to a variety of purchasers, including intrastate and interstate pipelines or their marketing affiliates and independent marketing companies. The Company's joint operations accounts receivable are from a number of oil and natural gas companies, partnerships, individuals and others who own interests in the oil and natural gas properties operated by the Company. The Company's sales of purchased oil are made to </font><font style="font-family:inherit;font-size:10pt;">one</font><font style="font-family:inherit;font-size:10pt;"> customer. Management believes that any credit risk imposed by a concentration in the oil and natural gas industry is offset by the creditworthiness of the Company's customer base and industry partners. The Company routinely assesses the recoverability of all material trade and other receivables to determine collectability.</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company uses derivatives to hedge its exposure to oil, NGL and natural gas price volatility. These transactions expose the Company to potential credit risk from its counterparties. In accordance with the Company's standard practice, its derivatives are subject to counterparty netting under agreements governing such derivatives; therefore, the credit risk associated with its derivative counterparties is somewhat mitigated.</font></div></div> | |
| CY2016 | us-gaap |
Nature Of Operations
NatureOfOperations
|
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;padding-top:10px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Organization</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Laredo Petroleum, Inc. ("Laredo"), together with its wholly-owned subsidiaries, Laredo Midstream Services, LLC ("LMS") and Garden City Minerals, LLC ("GCM"), is an independent energy company focused on the acquisition, exploration and development of oil and natural gas properties, and the transportation of oil and natural gas from such properties, primarily in the Permian Basin in West Texas. LMS and GCM (together, the "Guarantors") guarantee all of Laredo's debt instruments. In these notes, the "Company" refers to Laredo, LMS and GCM collectively, unless the context indicates otherwise. All amounts, dollars and percentages presented in these consolidated financial statements and the related notes are rounded and therefore approximate. </font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;"></font><font style="font-family:inherit;font-size:10pt;">The Company operates in </font><font style="font-family:inherit;font-size:10pt;">two</font><font style="font-family:inherit;font-size:10pt;"> business segments: (i) exploration and production and (ii) midstream and marketing. The exploration and production segment is engaged in the acquisition, exploration and development of oil and natural gas properties. The midstream and marketing segment provides Laredo's exploration and production segment and third parties with products and services that need to be delivered by midstream infrastructure, including oil and natural gas gathering services as well as rig fuel, natural gas lift and water delivery and takeaway.</font></div></div> | |
| CY2016 | us-gaap |
Prior Period Reclassification Adjustment Description
PriorPeriodReclassificationAdjustmentDescription
|
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;padding-top:10px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Reclassifications</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain amounts in the accompanying consolidated financial statements have been reclassified to conform to the 2016 presentation. These reclassifications had no impact to previously reported balance sheets, net income (loss) or stockholders' equity. </font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"></font></div></div> | |
| CY2016 | us-gaap |
Use Of Estimates
UseOfEstimates
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<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;padding-top:10px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of estimates in the preparation of consolidated financial statements</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the accompanying consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Although management believes these estimates are reasonable, actual results could differ.</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Significant estimates include, but are not limited to, (i) estimates of the Company's reserves of oil, natural gas liquids ("NGL") and natural gas, (ii) future cash flows from oil and natural gas properties, (iii) depletion, depreciation and amortization, (iv) impairments, (v) asset retirement obligations, (vi) stock-based compensation, (vii) deferred income taxes, (viii) fair value of assets acquired and liabilities assumed in an acquisition and (ix) fair values of derivatives, deferred premiums and performance unit awards. As fair value is a market-based measurement, it is determined based on the assumptions that would be used by market participants. These estimates and assumptions are based on management's best judgment. Management evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment. Such estimates and assumptions are adjusted when facts and circumstances dictate. Illiquid credit markets and volatile equity and energy markets have combined to increase the uncertainty inherent in such estimates and assumptions. Management believes its estimates and assumptions to be reasonable under the circumstances. As future events and their effects cannot be determined with precision, actual values and results could differ from these estimates. Any changes in estimates resulting from future changes in the economic environment will be reflected in the financial statements in future periods.</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"></font></div></div> |
