10-K Filing

KOSMOS ENERGY LTD. CIK: 1509991 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0001509991-18-000014`
Period End Date	20171231
Filing Date	20180226
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	kos-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 98 Income Statement 103 Cash Flow Statement 121 Stockholders Equity 31 Comprehensive Income 20

Balance Sheet 98 line items

Line Item	Tag	Value	Unit	Period
Deferred financing costs, accumulated amortization (in dollars)	`AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts`	$13.95M	USD	Point-in-time
Deferred financing costs, accumulated amortization (in dollars)	`AccumulatedAmortizationOfNoncurrentDeferredFinanceCosts`	$11.21M	USD	Point-in-time
Preference shares, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preference shares, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preference shares, authorized shares	`PreferredStockSharesAuthorized`	200.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$194.06M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$233.41M	USD	Point-in-time
Preference shares, authorized shares	`PreferredStockSharesAuthorized`	200.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$275.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$56.38M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$24.51M	USD	Point-in-time
Preference shares, issued shares	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$28.53M	USD	Point-in-time
Preference shares, issued shares	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Common shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Joint interest billings, net	`OilAndGasJointInterestBillingReceivablesCurrent`	$134.56M	USD	Point-in-time
Joint interest billings, net	`OilAndGasJointInterestBillingReceivablesCurrent`	$63.25M	USD	Point-in-time
Common shares, authorized shares	`CommonStockSharesAuthorized`	2.00B	shares	Point-in-time
Common shares, authorized shares	`CommonStockSharesAuthorized`	2.00B	shares	Point-in-time
Common shares, issued shares	`CommonStockSharesIssued`	398.60M	shares	Point-in-time
Common shares, issued shares	`CommonStockSharesIssued`	395.86M	shares	Point-in-time
Oil sales	`AccountsReceivableNetCurrent`	-	USD	Point-in-time
Oil sales	`AccountsReceivableNetCurrent`	$54.20M	USD	Point-in-time
Related party	`DueFromRelatedPartiesCurrent`	$780.00K	USD	Point-in-time
Treasury stock shares	`TreasuryStockShares`	9.19M	shares	Point-in-time
Treasury stock shares	`TreasuryStockShares`	9.10M	shares	Point-in-time
Related party	`DueFromRelatedPartiesCurrent`	-	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$25.62M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$25.89M	USD	Point-in-time
Inventories	`InventoryNet`	$74.38M	USD	Point-in-time
Inventories	`InventoryNet`	$71.86M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$9.31M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$7.21M	USD	Point-in-time
Derivatives	`DerivativeAssetsCurrent`	$1.68M	USD	Point-in-time
Derivatives	`DerivativeAssetsCurrent`	$31.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$475.19M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$533.60M	USD	Point-in-time
Oil and gas properties, net	`OilAndGasPropertySuccessfulEffortMethodNet`	$2.31B	USD	Point-in-time
Oil and gas properties, net	`OilAndGasPropertySuccessfulEffortMethodNet`	$2.70B	USD	Point-in-time
Other property, net	`PropertyPlantAndEquipmentOtherNet`	$8.00M	USD	Point-in-time
Other property, net	`PropertyPlantAndEquipmentOtherNet`	$6.86M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.71B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$2.32B	USD	Point-in-time
Equity method investment	`EquityMethodInvestments`	-	USD	Point-in-time
Equity method investment	`EquityMethodInvestments`	$236.51M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$7.33M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$54.63M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$15.19M	USD	Point-in-time
Long-term receivables - joint interest billings	`OilAndGasJointInterestBillingReceivablesNoncurrent`	$45.66M	USD	Point-in-time
Long-term receivables - joint interest billings	`OilAndGasJointInterestBillingReceivablesNoncurrent`	$34.94M	USD	Point-in-time
Deferred financing costs, net of accumulated amortization of $13,951 and $11,213 at December 31, 2017 and December 31, 2016, respectively	`DeferredFinanceCostsNoncurrentNet`	$2.51M	USD	Point-in-time
Deferred financing costs, net of accumulated amortization of $13,951 and $11,213 at December 31, 2017 and December 31, 2016, respectively	`DeferredFinanceCostsNoncurrentNet`	$5.25M	USD	Point-in-time
Long-term deferred tax assets	`DeferredIncomeTaxAssetsNet`	$22.52M	USD	Point-in-time
Long-term deferred tax assets	`DeferredIncomeTaxAssetsNet`	$37.83M	USD	Point-in-time
Derivatives	`DerivativeAssetsNoncurrent`	$39.00K	USD	Point-in-time
Derivatives	`DerivativeAssetsNoncurrent`	$3.81M	USD	Point-in-time
Other	`OtherAssets`	$10.21M	USD	Point-in-time
Other	`OtherAssets`	$29.46M	USD	Point-in-time
Total assets	`Assets`	$3.34B	USD	Point-in-time
Total assets	`Assets`	$3.19B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$141.79M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$220.63M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$219.41M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$129.71M	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesCurrent`	$19.69M	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesCurrent`	$67.53M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$428.73M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$370.02M	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$1.28B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$1.32B	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesNoncurrent`	$14.12M	USD	Point-in-time
Derivatives	`DerivativeLiabilitiesNoncurrent`	$30.21M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$63.57M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$43.94M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$66.59M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$476.55M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$482.22M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$8.45M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$10.61M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.89B	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.87B	USD	Point-in-time
Preference shares, $0.01 par value; 200,000,000 authorized shares; zero issued at December 31, 2017 and December 31, 2016	`PreferredStockValue`	-	USD	Point-in-time
Preference shares, $0.01 par value; 200,000,000 authorized shares; zero issued at December 31, 2017 and December 31, 2016	`PreferredStockValue`	-	USD	Point-in-time
Common shares, $0.01 par value; 2,000,000,000 authorized shares; 398,599,457 and 395,859,061 issued at December 31, 2017 and December 31, 2016, respectively	`CommonStockValue`	$3.96M	USD	Point-in-time
Common shares, $0.01 par value; 2,000,000,000 authorized shares; 398,599,457 and 395,859,061 issued at December 31, 2017 and December 31, 2016, respectively	`CommonStockValue`	$3.99M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.01B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.98B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-1.07B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-850.41M	USD	Point-in-time
Treasury stock, at cost, 9,188,819 and 9,101,395 shares at December 31, 2017 and December 31, 2016, respectively	`TreasuryStockValue`	$47.60M	USD	Point-in-time
Treasury stock, at cost, 9,188,819 and 9,101,395 shares at December 31, 2017 and December 31, 2016, respectively	`TreasuryStockValue`	$48.20M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$897.11M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$1.08B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$1.33B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$1.34B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$3.19B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$3.34B	USD	Point-in-time

Income Statement 103 line items

Line Item	Tag	Value	Unit	Period
Oil and gas revenue	`OilAndGasSalesRevenue`	$578.14M	USD	Annual
Oil and gas revenue	`OilAndGasSalesRevenue`	$310.38M	USD	Annual
Oil and gas revenue	`OilAndGasSalesRevenue`	$446.70M	USD	Annual
Gain on sale of assets	`GainLossOnSaleOfProperty`	-	USD	Annual
Gain on sale of assets	`GainLossOnSaleOfProperty`	-	USD	Annual
Gain on sale of assets	`GainLossOnSaleOfProperty`	$24.65M	USD	Annual
Other income, net	`OtherSalesRevenueNet`	$74.98M	USD	Annual
Other income, net	`OtherSalesRevenueNet`	$209.00K	USD	Annual
Other income, net	`OtherSalesRevenueNet`	$58.70M	USD	Annual
Total revenues and other income	`Revenues`	$151.24M	USD	1 Quarter
Total revenues and other income	`Revenues`	$210.92M	USD	1 Quarter
Total revenues and other income	`Revenues`	$62.13M	USD	1 Quarter
Total revenues and other income	`Revenues`	$146.52M	USD	1 Quarter
Total revenues and other income	`Revenues`	$187.10M	USD	1 Quarter
Total revenues and other income	`Revenues`	$66.63M	USD	1 Quarter
Total revenues and other income	`Revenues`	$151.97M	USD	1 Quarter
Total revenues and other income	`Revenues`	$471.56M	USD	Annual
Total revenues and other income	`Revenues`	$45.68M	USD	1 Quarter
Total revenues and other income	`Revenues`	$636.84M	USD	Annual
Total revenues and other income	`Revenues`	$385.36M	USD	Annual
Oil and gas production	`OilAndGasProductionExpense`	$119.37M	USD	Annual
Oil and gas production	`OilAndGasProductionExpense`	$126.85M	USD	Annual
Oil and gas production	`OilAndGasProductionExpense`	$105.34M	USD	Annual
Facilities insurance modifications, net	`FacilitiesInsuranceModificationsExpenseIncome`	-	USD	Annual
Facilities insurance modifications, net	`FacilitiesInsuranceModificationsExpenseIncome`	$14.96M	USD	Annual
Facilities insurance modifications, net	`FacilitiesInsuranceModificationsExpenseIncome`	$-820.00K	USD	Annual
Exploration expenses	`ExplorationExpense`	$216.05M	USD	Annual
Exploration expenses	`ExplorationExpense`	$202.28M	USD	Annual
Exploration expenses	`ExplorationExpense`	$156.20M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$68.30M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$87.62M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$136.81M	USD	Annual
Depletion and depreciation	`ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion`	$155.97M	USD	Annual
Depletion and depreciation	`ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion`	$255.20M	USD	Annual
Depletion and depreciation	`ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion`	$140.40M	USD	Annual
Interest and other financing costs, net	`InterestExpenseIncomeNet`	$44.15M	USD	Annual
Interest and other financing costs, net	`InterestExpenseIncomeNet`	$77.59M	USD	Annual
Interest and other financing costs, net	`InterestExpenseIncomeNet`	$37.21M	USD	Annual
Derivatives, net	`GainLossOnCommodityDerivativeInstrumentsNetPretax`	$210.65M	USD	Annual
Derivatives, net	`GainLossOnCommodityDerivativeInstrumentsNetPretax`	$-59.97M	USD	Annual
Derivatives, net	`GainLossOnCommodityDerivativeInstrumentsNetPretax`	$-48.02M	USD	Annual
Loss on equity method investment, net	`IncomeLossFromEquityMethodInvestments`	$-6.25M	USD	Annual
Loss on equity method investment, net	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Loss on equity method investment, net	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Other expenses, net	`OtherNonoperatingIncomeExpense`	$-5.25M	USD	Annual
Other expenses, net	`OtherNonoperatingIncomeExpense`	$-23.12M	USD	Annual
Other expenses, net	`OtherNonoperatingIncomeExpense`	$-5.29M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$814.69M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$118.89M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$123.15M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$386.12M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$679.92M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$169.54M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$216.16M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$268.34M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$131.25M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$308.65M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$158.63M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-294.56M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-177.85M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$85.44M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$44.94M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-10.78M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$155.27M	USD	Annual
Net loss	`NetIncomeLoss`	$-122.08M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-63.41M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-69.84M	USD	Annual
Net loss	`NetIncomeLoss`	$-56.70M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-283.78M	USD	Annual
Net loss	`NetIncomeLoss`	$-222.79M	USD	Annual
Net loss	`NetIncomeLoss`	$-58.99M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-8.47M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-28.84M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-108.32M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-59.76M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.15	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.74	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.18	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.28	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.07	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.15	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.02	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.15	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.57	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.16	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.31	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.31	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.74	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.07	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.16	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.57	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.28	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.18	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	388.38M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	385.40M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	382.61M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	382.61M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	388.38M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	385.40M	shares	Annual

Cash Flow Statement 121 line items

Line Item	Tag	Value	Unit	Period
Cash settlements on commodity hedges derivatives	`CashSettlementsOnCommodityDerivatives`	$225.50M	USD	Annual
Cash settlements on commodity hedges derivatives	`CashSettlementsOnCommodityDerivatives`	$38.70M	USD	Annual
Cash settlements on commodity hedges derivatives	`CashSettlementsOnCommodityDerivatives`	$188.00M	USD	Annual
Net loss	`NetIncomeLoss`	$-122.08M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-63.41M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-69.84M	USD	Annual
Net loss	`NetIncomeLoss`	$-56.70M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-283.78M	USD	Annual
Net loss	`NetIncomeLoss`	$-222.79M	USD	Annual
Net loss	`NetIncomeLoss`	$-58.99M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-8.47M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-28.84M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-108.32M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-59.76M	USD	1 Quarter
Depletion, depreciation and amortization	`DepreciationDepletionAndAmortization`	$150.61M	USD	Annual
Depletion, depreciation and amortization	`DepreciationDepletionAndAmortization`	$166.29M	USD	Annual
Depletion, depreciation and amortization	`DepreciationDepletionAndAmortization`	$265.41M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-23.56M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$9.51M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$110.79M	USD	Annual
Unsuccessful well costs	`ResultsOfOperationsDryHoleCosts`	$43.20M	USD	Annual
Unsuccessful well costs	`ResultsOfOperationsDryHoleCosts`	$94.91M	USD	Annual
Unsuccessful well costs	`ResultsOfOperationsDryHoleCosts`	$6.08M	USD	Annual
Change in fair value of derivatives	`UnrealizedGainLossOnDerivatives`	$-71.82M	USD	Annual
Change in fair value of derivatives	`UnrealizedGainLossOnDerivatives`	$-46.56M	USD	Annual
Change in fair value of derivatives	`UnrealizedGainLossOnDerivatives`	$210.96M	USD	Annual
Cash settlements on derivatives, net (including $38.7 million, $188.0 million and $225.5 million on commodity hedges during 2017, 2016, and 2015)	`CashSettlementsOnDerivatives`	$25.89M	USD	Annual
Cash settlements on derivatives, net (including $38.7 million, $188.0 million and $225.5 million on commodity hedges during 2017, 2016, and 2015)	`CashSettlementsOnDerivatives`	$224.74M	USD	Annual
Cash settlements on derivatives, net (including $38.7 million, $188.0 million and $225.5 million on commodity hedges during 2017, 2016, and 2015)	`CashSettlementsOnDerivatives`	$188.90M	USD	Annual
Equity-based compensation	`ShareBasedCompensation`	$39.91M	USD	Annual
Equity-based compensation	`ShareBasedCompensation`	$75.06M	USD	Annual
Equity-based compensation	`ShareBasedCompensation`	$40.08M	USD	Annual
Gain on sale of assets	`GainLossOnSaleOfProperty`	-	USD	Annual
Gain on sale of assets	`GainLossOnSaleOfProperty`	-	USD	Annual
Gain on sale of assets	`GainLossOnSaleOfProperty`	$24.65M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-165.00K	USD	Annual
Loss on equity method investment, net	`IncomeLossFromEquityMethodInvestments`	$-6.25M	USD	Annual
Loss on equity method investment, net	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Loss on equity method investment, net	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-7.88M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-5.95M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-13.36M	USD	Annual
(Increase) decrease in receivables	`IncreaseDecreaseInReceivables`	$20.56M	USD	Annual
(Increase) decrease in receivables	`IncreaseDecreaseInReceivables`	$-29.36M	USD	Annual
(Increase) decrease in receivables	`IncreaseDecreaseInReceivables`	$-2.21M	USD	Annual
(Increase) decrease in inventories	`IncreaseDecreaseInInventories`	$-1.65M	USD	Annual
(Increase) decrease in inventories	`IncreaseDecreaseInInventories`	$4.11M	USD	Annual
(Increase) decrease in inventories	`IncreaseDecreaseInInventories`	$29.86M	USD	Annual
(Increase) decrease in prepaid expenses and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$31.71M	USD	Annual
(Increase) decrease in prepaid expenses and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-17.56M	USD	Annual
(Increase) decrease in prepaid expenses and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-512.00K	USD	Annual
Increase (decrease) in accounts payable	`IncreaseDecreaseInAccountsPayable`	$-94.43M	USD	Annual
Increase (decrease) in accounts payable	`IncreaseDecreaseInAccountsPayable`	$-75.49M	USD	Annual
Increase (decrease) in accounts payable	`IncreaseDecreaseInAccountsPayable`	$111.29M	USD	Annual
Increase (decrease) in accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-17.76M	USD	Annual
Increase (decrease) in accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$86.59M	USD	Annual
Increase (decrease) in accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-3.57M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$236.62M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$52.08M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$440.78M	USD	Annual
Oil and gas assets	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$140.50M	USD	Annual
Oil and gas assets	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$535.98M	USD	Annual
Oil and gas assets	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$823.64M	USD	Annual
Other property	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.00M	USD	Annual
Other property	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.86M	USD	Annual
Other property	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$1.48M	USD	Annual
Equity method investment	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Equity method investment	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Equity method investment	`PaymentsToAcquireEquityMethodInvestments`	$231.28M	USD	Annual
Proceeds on sale of assets	`ProceedsFromSaleOfOilAndGasPropertyAndEquipment`	$222.07M	USD	Annual
Proceeds on sale of assets	`ProceedsFromSaleOfOilAndGasPropertyAndEquipment`	$210.00K	USD	Annual
Proceeds on sale of assets	`ProceedsFromSaleOfOilAndGasPropertyAndEquipment`	$28.69M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-796.43M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-537.76M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-152.56M	USD	Annual
Borrowings under long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$200.00M	USD	Annual
Borrowings under long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$100.00M	USD	Annual
Borrowings under long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$450.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$200.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	-	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$250.00M	USD	Annual
Net proceeds from issuance of senior secured notes	`ProceedsFromIssuanceOfSecuredDebt`	-	USD	Annual
Net proceeds from issuance of senior secured notes	`ProceedsFromIssuanceOfSecuredDebt`	$206.77M	USD	Annual
Net proceeds from issuance of senior secured notes	`ProceedsFromIssuanceOfSecuredDebt`	-	USD	Annual
Purchase of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$1.98M	USD	Annual
Purchase of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$18.11M	USD	Annual
Purchase of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$2.19M	USD	Annual
Deferred financing costs	`PaymentsOfFinancingCosts`	$67.00K	USD	Annual
Deferred financing costs	`PaymentsOfFinancingCosts`	$9.03M	USD	Annual
Deferred financing costs	`PaymentsOfFinancingCosts`	-	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-52.26M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$79.63M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$448.02M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-37.67M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-276.02M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$31.79M	USD	Annual
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$586.88M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$310.86M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$273.19M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$304.99M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$586.88M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$310.86M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$273.19M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$304.99M	USD	Point-in-time
Interest	`InterestPaid`	$27.86M	USD	Annual
Interest	`InterestPaid`	$55.38M	USD	Annual
Interest	`InterestPaid`	$33.31M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$48.81M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$14.00M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$35.86M	USD	Annual
Conversion of joint interest billings receivable to long-term note receivable	`ConversionOfJointInterestBillingsReceivableFromCurrentToNoncurrent`	$9.81M	USD	Annual
Conversion of joint interest billings receivable to long-term note receivable	`ConversionOfJointInterestBillingsReceivableFromCurrentToNoncurrent`	-	USD	Annual
Conversion of joint interest billings receivable to long-term note receivable	`ConversionOfJointInterestBillingsReceivableFromCurrentToNoncurrent`	-	USD	Annual
Contribution to equity method investment	`ContributionToEquityMethodInvestment`	$133.89M	USD	Annual
Contribution to equity method investment	`ContributionToEquityMethodInvestment`	-	USD	Annual
Contribution to equity method investment	`ContributionToEquityMethodInvestment`	-	USD	Annual
Dissolution of equity method investment	`DissolutionOfEquityMethodInvestment`	-	USD	Annual
Dissolution of equity method investment	`DissolutionOfEquityMethodInvestment`	$122.41M	USD	Annual
Dissolution of equity method investment	`DissolutionOfEquityMethodInvestment`	-	USD	Annual

Stockholders Equity 31 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquity`	$897.11M	USD	Point-in-time
Balance	`StockholdersEquity`	$1.08B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.33B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.34B	USD	Point-in-time
Equity-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$75.27M	USD	Annual
Equity-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$41.45M	USD	Annual
Equity-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$40.90M	USD	Annual
Derivatives, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$767.00K	USD	Annual
Restricted stock awards and units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	Annual
Restricted stock awards and units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	Annual
Restricted stock awards and units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	Annual
Restricted stock forfeitures	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	Annual
Restricted stock forfeitures	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	Annual
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$2.19M	USD	Annual
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$18.11M	USD	Annual
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$1.98M	USD	Annual
Net loss	`NetIncomeLoss`	$-122.08M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-63.41M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-69.84M	USD	Annual
Net loss	`NetIncomeLoss`	$-56.70M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-283.78M	USD	Annual
Net loss	`NetIncomeLoss`	$-222.79M	USD	Annual
Net loss	`NetIncomeLoss`	$-58.99M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-8.47M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-28.84M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-108.32M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-59.76M	USD	1 Quarter
Balance	`StockholdersEquity`	$897.11M	USD	Point-in-time
Balance	`StockholdersEquity`	$1.08B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.33B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.34B	USD	Point-in-time

Comprehensive Income 20 line items

Line Item	Tag	Value	Unit	Period
Net loss	`NetIncomeLoss`	$-122.08M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-63.41M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-69.84M	USD	Annual
Net loss	`NetIncomeLoss`	$-56.70M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-283.78M	USD	Annual
Net loss	`NetIncomeLoss`	$-222.79M	USD	Annual
Net loss	`NetIncomeLoss`	$-58.99M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-8.47M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-28.84M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-108.32M	USD	1 Quarter
Net loss	`NetIncomeLoss`	$-59.76M	USD	1 Quarter
Reclassification adjustments for derivative gains included in net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	-	USD	Annual
Reclassification adjustments for derivative gains included in net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$767.00K	USD	Annual
Reclassification adjustments for derivative gains included in net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	-	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	-	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-767.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	-	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-283.78M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-222.79M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-70.60M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.