$MTDR
Matador Resources Co Stock $mtdr

$mtdr Overview Financials Valuation SEC Filings Company Website

2014 Q2 Form 10-K Financial Statement

#000152000615000008 Filed on March 02, 2015

Income Statement

Concept	2014 Q2	2014	2013 Q4
Revenue	$90.91M	$432.2M	$68.70M
YoY Change	37.82%	65.68%	32.37%
Cost Of Revenue	$20.80M	$84.50M	$15.00M
YoY Change	42.47%	41.54%	2.04%
Gross Profit	$70.10M	$346.5M	$53.70M
YoY Change	36.38%	72.22%	44.35%
Gross Profit Margin	77.11%	80.16%	78.17%
Selling, General & Admin	$8.100M	$32.20M	$6.600M
YoY Change	97.56%	54.81%	106.25%
% of Gross Profit	11.55%	9.29%	12.29%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$31.80M	$134.7M	$23.80M
YoY Change	57.15%	36.93%	-14.08%
% of Gross Profit	45.36%	38.89%	44.32%
Operating Expenses	$40.00M	$167.4M	$30.50M
YoY Change	63.27%	40.08%	-1.61%
Operating Profit	$30.07M	$180.3M	$23.20M
YoY Change	11.75%	198.34%	274.19%
Interest Expense	$1.616M	$5.334M	-$800.0K
YoY Change	0.44%	-6.21%	60.0%
% of Operating Profit	5.37%	2.96%	-3.45%
Other Income/Expense, Net	-$1.207M	-$5.202M	$0.00
YoY Change	-31.19%	-7.99%	-100.0%
Pretax Income	$28.86M	$175.1M	$22.40M
YoY Change	14.75%	219.63%	-204.67%
Income Tax	$10.63M	$64.38M	$7.100M
% Of Pretax Income	36.85%	36.76%	31.7%
Net Earnings	$18.23M	$110.8M	$15.40M
YoY Change	-27.44%	145.61%	-172.64%
Net Earnings / Revenue	20.05%	25.62%	22.42%
Basic Earnings Per Share	$0.27	$1.58
Diluted Earnings Per Share	$0.26	$1.56	$226.5K
COMMON SHARES
Basic Shares Outstanding	68.53M shares	70.23M shares	65.63M shares
Diluted Shares Outstanding	69.22M shares	70.91M shares

Balance Sheet

Concept	2014 Q2	2014	2013 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$14.60M	$8.400M	$6.300M
YoY Change	180.77%	33.33%	173.91%
Cash & Equivalents	$7.723M		$6.287M
Short-Term Investments
Other Short-Term Assets	$6.700M	$57.80M	$4.200M
YoY Change	26.42%	1276.19%	-23.64%
Inventory	$1.000M	$1.200M	$0.00
Prepaid Expenses	$2.427M		$1.771M
Receivables	$33.49M	$35.90M	$25.82M
Other Receivables	$1.594M	$9.100M	$1.066M
Total Short-Term Assets	$67.34M	$112.4M	$42.88M
YoY Change	73.52%	162.0%	12.25%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.063B	$1.322B	$845.9M
YoY Change	54.05%	56.3%	43.1%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$2.577M	$0.00	$1.405M
YoY Change	53.67%	-100.0%	-9.94%
Total Long-Term Assets	$1.066B	$1.322B	$847.5M
YoY Change	53.2%	56.02%	42.71%
TOTAL ASSETS
Total Short-Term Assets	$67.34M	$112.4M	$42.88M
Total Long-Term Assets	$1.066B	$1.322B	$847.5M
Total Assets	$1.133B	$1.435B	$890.3M
YoY Change	54.27%	61.13%	40.87%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$18.54M	$17.50M	$25.36M
YoY Change	-48.44%	-31.1%	-9.82%
Accrued Expenses	$105.1M	$107.4M	$63.99M
YoY Change	116.71%	67.81%	8.12%
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	$150.9M	$142.0M	$100.3M
YoY Change	64.52%	41.58%	3.97%
LONG-TERM LIABILITIES
Long-Term Debt	$150.0M	$338.2M	$200.0M
YoY Change	-38.78%	69.1%	33.33%
Other Long-Term Liabilities	$3.581M	$14.20M	$2.588M
YoY Change	73.25%	39.22%	95.47%
Total Long-Term Liabilities	$195.3M	$352.4M	$221.1M
YoY Change	-22.8%	67.65%	41.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$150.9M	$142.0M	$100.3M
Total Long-Term Liabilities	$195.3M	$352.4M	$221.1M
Total Liabilities	$346.2M	$568.1M	$321.4M
YoY Change	0.44%	76.76%	27.08%
SHAREHOLDERS EQUITY
Retained Earnings	$64.67M		$30.08M
YoY Change	-1298.76%		-300.43%
Common Stock	$747.0K		$670.0K
YoY Change	30.82%		17.96%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$10.77M		$10.77M
YoY Change	0.0%		0.0%
Treasury Stock Shares	1.330M shares		1.306M shares
Shareholders Equity	$787.2M	$866.4M	$568.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.133B	$1.435B	$890.3M
YoY Change	54.27%	61.13%	40.87%

Cashflow Statement

Concept	2014 Q2	2014	2013 Q4
OPERATING ACTIVITIES
Net Income	$18.23M	$110.8M	$15.40M
YoY Change	-27.44%	145.61%	-172.64%
Depreciation, Depletion And Amortization	$31.80M	$134.7M	$23.80M
YoY Change	57.15%	36.93%	-14.08%
Cash From Operating Activities	$81.60M	$251.5M	$52.30M
YoY Change	57.83%	40.12%	19.13%
INVESTING ACTIVITIES
Capital Expenditures	-$142.3M	-$570.0M	-$106.9M
YoY Change	55.86%	55.23%	18.78%
Acquisitions		$0.00
YoY Change
Other Investing Activities	$0.00	-$500.0K	$0.00
YoY Change	-100.0%	-350.0%
Cash From Investing Activities	-$142.3M	-$570.5M	-$106.8M
YoY Change	56.03%	55.48%	18.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$181.3M	$181.9M
YoY Change		22.01%
Debt Paid & Issued, Net	$180.0M	$180.0M
YoY Change		38.46%
Cash From Financing Activities	61.10M	$321.2M	54.60M
YoY Change	52.75%	67.57%	24.09%
NET CHANGE
Cash From Operating Activities	81.60M	$251.5M	52.30M
Cash From Investing Activities	-142.3M	-$570.5M	-106.8M
Cash From Financing Activities	61.10M	$321.2M	54.60M
Net Change In Cash	400.0K	$2.120M	100.0K
YoY Change	-20.0%	-49.43%	-104.76%
FREE CASH FLOW
Cash From Operating Activities	$81.60M	$251.5M	$52.30M
Capital Expenditures	-$142.3M	-$570.0M	-$106.9M
Free Cash Flow	$223.9M	$821.5M	$159.2M
YoY Change	56.57%	50.27%	18.89%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0001520006
CY2015Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	76728605	shares
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	609000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	281000	USD
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2014Q2	dei	Entity Public Float EntityPublicFloat	1962490009	USD
CY2014	dei	Entity Registrant Name EntityRegistrantName	Matador Resources Co
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2013Q4	mtdr	Accumulated Depreciation And Amortization Of Other Property And Equipment AccumulatedDepreciationAndAmortizationOfOtherPropertyAndEquipment	5904000	USD
CY2014Q4	mtdr	Accumulated Depreciation And Amortization Of Other Property And Equipment AccumulatedDepreciationAndAmortizationOfOtherPropertyAndEquipment	7514000	USD
CY2012	mtdr	Adjustments To Additional Paid In Capital Change In Fair Value Of Liability Based Awards AdjustmentsToAdditionalPaidInCapitalChangeInFairValueOfLiabilityBasedAwards	620000	USD
CY2012	mtdr	Asset Retirement Obligations Relatedto Support Equipment Facilities AssetRetirementObligationsRelatedtoSupportEquipmentFacilities	49000	USD
CY2013	mtdr	Asset Retirement Obligations Relatedto Support Equipment Facilities AssetRetirementObligationsRelatedtoSupportEquipmentFacilities	3000	USD
CY2014	mtdr	Asset Retirement Obligations Relatedto Support Equipment Facilities AssetRetirementObligationsRelatedtoSupportEquipmentFacilities	120000	USD
CY2014	mtdr	Billing Date BillingDate	P30D
CY2013Q4	mtdr	Capitalized Costs Unproved Properties Four Years Prior CapitalizedCostsUnprovedPropertiesFourYearsPrior	88337000	USD
CY2013Q4	mtdr	Capitalized Costs Unproved Properties Previous Twelve Months CapitalizedCostsUnprovedPropertiesPreviousTwelveMonths	0	USD
CY2013Q4	mtdr	Capitalized Costs Unproved Properties Three Years Prior CapitalizedCostsUnprovedPropertiesThreeYearsPrior	23341000	USD
CY2013Q4	mtdr	Capitalized Costs Unproved Properties Two Years Prior CapitalizedCostsUnprovedPropertiesTwoYearsPrior	82628000	USD
CY2012	mtdr	Capitalized General And Administrative Costs CapitalizedGeneralAndAdministrativeCosts	2600000	USD
CY2013	mtdr	Capitalized General And Administrative Costs CapitalizedGeneralAndAdministrativeCosts	3700000	USD
CY2014	mtdr	Capitalized General And Administrative Costs CapitalizedGeneralAndAdministrativeCosts	6400000	USD
CY2012	mtdr	Common Stock And Restricted Stock Expense CommonStockAndRestrictedStockExpense	100000	USD
CY2013	mtdr	Common Stock And Restricted Stock Expense CommonStockAndRestrictedStockExpense	300000	USD
CY2014	mtdr	Common Stock And Restricted Stock Expense CommonStockAndRestrictedStockExpense	300000	USD
CY2014	mtdr	Cost Incurred On Proved Reserves Transferred To Amortization Base CostIncurredOnProvedReservesTransferredToAmortizationBase	29600000	USD
CY2012	mtdr	Decrease Increase In Liabilities For Accrued Cost To Issue Equity DecreaseIncreaseInLiabilitiesForAccruedCostToIssueEquity	-332000	USD
CY2013	mtdr	Decrease Increase In Liabilities For Accrued Cost To Issue Equity DecreaseIncreaseInLiabilitiesForAccruedCostToIssueEquity	0	USD
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CY2013Q4	mtdr	Deferred Tax Asset Noncurrent Attributableto Percentage Depletion Carryover DeferredTaxAssetNoncurrentAttributabletoPercentageDepletionCarryover	0	USD
CY2014Q4	mtdr	Deferred Tax Asset Noncurrent Attributableto Percentage Depletion Carryover DeferredTaxAssetNoncurrentAttributabletoPercentageDepletionCarryover	2068000	USD
CY2013Q4	mtdr	Deferred Tax Assets Derivative Noncurrent DeferredTaxAssetsDerivativeNoncurrent	28000	USD
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CY2013Q4	mtdr	Deferred Tax Assets Derivatives Current DeferredTaxAssetsDerivativesCurrent	965000	USD
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CY2014Q4	mtdr	Deferred Tax Assets Operating Loss Carryforwards Noncurrent DeferredTaxAssetsOperatingLossCarryforwardsNoncurrent	88447000	USD
CY2013Q4	mtdr	Deferred Tax Liabilities Other Noncurrent DeferredTaxLiabilitiesOtherNoncurrent	4279000	USD
CY2014Q4	mtdr	Deferred Tax Liabilities Other Noncurrent DeferredTaxLiabilitiesOtherNoncurrent	5875000	USD
CY2014	mtdr	Defined Contribution Plan Employer Additional Discretionary Contribution Amount DefinedContributionPlanEmployerAdditionalDiscretionaryContributionAmount	0	USD
CY2012	mtdr	Defined Contribution Plan Employer Matching Contribution Amount DefinedContributionPlanEmployerMatchingContributionAmount	200000	USD
CY2013	mtdr	Defined Contribution Plan Employer Matching Contribution Amount DefinedContributionPlanEmployerMatchingContributionAmount	200000	USD
CY2014	mtdr	Defined Contribution Plan Employer Matching Contribution Amount DefinedContributionPlanEmployerMatchingContributionAmount	400000	USD
CY2013Q4	mtdr	Derivative Asset Fair Value Subjectto Master Netting Gross Asset Basis DerivativeAssetFairValueSubjecttoMasterNettingGrossAssetBasis	0	USD
CY2014Q4	mtdr	Derivative Asset Fair Value Subjectto Master Netting Gross Asset Basis DerivativeAssetFairValueSubjecttoMasterNettingGrossAssetBasis	0	USD
CY2013Q4	mtdr	Derivative Liability Fair Value Subjectto Master Netting Gross Liability Basis DerivativeLiabilityFairValueSubjecttoMasterNettingGrossLiabilityBasis	0	USD
CY2014Q4	mtdr	Derivative Liability Fair Value Subjectto Master Netting Gross Liability Basis DerivativeLiabilityFairValueSubjecttoMasterNettingGrossLiabilityBasis	0	USD
CY2014	mtdr	Discounting Rate Present Value Of Future Revenue From Proved Oil And Gas Reserves DiscountingRatePresentValueOfFutureRevenueFromProvedOilAndGasReserves	0.1
CY2014	mtdr	Effective Base Rent Over Term Of New Lease EffectiveBaseRentOverTermOfNewLease	20.28	sqft
CY2012	mtdr	Effective Income Tax Rate Reconciliation Changein State Deferred Tax Assets Valuation Allowance Amount EffectiveIncomeTaxRateReconciliationChangeinStateDeferredTaxAssetsValuationAllowanceAmount	0	USD
CY2013	mtdr	Effective Income Tax Rate Reconciliation Changein State Deferred Tax Assets Valuation Allowance Amount EffectiveIncomeTaxRateReconciliationChangeinStateDeferredTaxAssetsValuationAllowanceAmount	-1345000	USD
CY2014	mtdr	Effective Income Tax Rate Reconciliation Changein State Deferred Tax Assets Valuation Allowance Amount EffectiveIncomeTaxRateReconciliationChangeinStateDeferredTaxAssetsValuationAllowanceAmount	-30000	USD
CY2012Q1	mtdr	Entity Listing Date Of Listing EntityListingDateOfListing	2012-02-01
CY2014	mtdr	Federal Funds Effective Plus Rate FederalFundsEffectivePlusRate	0.005
CY2012	mtdr	Income Tax Reconciliation Income Federal Alternative Minimum Tax IncomeTaxReconciliationIncomeFederalAlternativeMinimumTax	0	USD
CY2013	mtdr	Income Tax Reconciliation Income Federal Alternative Minimum Tax IncomeTaxReconciliationIncomeFederalAlternativeMinimumTax	-404000	USD
CY2014	mtdr	Income Tax Reconciliation Income Federal Alternative Minimum Tax IncomeTaxReconciliationIncomeFederalAlternativeMinimumTax	-133000	USD
CY2012	mtdr	Income Tax Reconciliation Permanent Differences IncomeTaxReconciliationPermanentDifferences	1018000	USD
CY2013	mtdr	Income Tax Reconciliation Permanent Differences IncomeTaxReconciliationPermanentDifferences	319000	USD
CY2014	mtdr	Income Tax Reconciliation Permanent Differences IncomeTaxReconciliationPermanentDifferences	397000	USD
CY2012	mtdr	Increase Decrease In Liabilities For Support Equipment And Facilities IncreaseDecreaseInLiabilitiesForSupportEquipmentAndFacilities	1112000	USD
CY2013	mtdr	Increase Decrease In Liabilities For Support Equipment And Facilities IncreaseDecreaseInLiabilitiesForSupportEquipmentAndFacilities	660000	USD
CY2014	mtdr	Increase Decrease In Liabilities For Support Equipment And Facilities IncreaseDecreaseInLiabilitiesForSupportEquipmentAndFacilities	4290000	USD
CY2012	mtdr	Increase Decrease In Payments Made In Advance By Joint Interest Partners In Oil And Gas Properties IncreaseDecreaseInPaymentsMadeInAdvanceByJointInterestPartnersInOilAndGasProperties	-1515000	USD
CY2013	mtdr	Increase Decrease In Payments Made In Advance By Joint Interest Partners In Oil And Gas Properties IncreaseDecreaseInPaymentsMadeInAdvanceByJointInterestPartnersInOilAndGasProperties	1515000	USD
CY2014	mtdr	Increase Decrease In Payments Made In Advance By Joint Interest Partners In Oil And Gas Properties IncreaseDecreaseInPaymentsMadeInAdvanceByJointInterestPartnersInOilAndGasProperties	0	USD
CY2012Q1	mtdr	Initial Public Offering Closure Date InitialPublicOfferingClosureDate	2012-02-07
CY2012Q1	mtdr	Initial Public Offering Closure Date InitialPublicOfferingClosureDate	2012-03-07
CY2013Q4	mtdr	Inventory Drilling Rig Parts Net At Carrying Value InventoryDrillingRigPartsNetAtCarryingValue	0	USD
CY2012	mtdr	Issuance Of Common Stock For Board And Advisor Services IssuanceOfCommonStockForBoardAndAdvisorServices	71000	USD
CY2013	mtdr	Issuance Of Common Stock For Board And Advisor Services IssuanceOfCommonStockForBoardAndAdvisorServices	57000	USD
CY2014	mtdr	Issuance Of Common Stock For Board And Advisor Services IssuanceOfCommonStockForBoardAndAdvisorServices	16000	USD
CY2013Q3	mtdr	Issuance Of Common Stock Under Public Offering To Underwriters By Company IssuanceOfCommonStockUnderPublicOfferingToUnderwritersByCompany	1275000	shares
CY2012	mtdr	Issuance Of Restricted Stock Units For Board And Advisor Services IssuanceOfRestrictedStockUnitsForBoardAndAdvisorServices	73000	USD
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CY2014	mtdr	Issuance Of Restricted Stock Units For Board And Advisor Services IssuanceOfRestrictedStockUnitsForBoardAndAdvisorServices	444000	USD
CY2012	mtdr	Lease And Well Equipment Inventories LeaseAndWellEquipmentInventories	-50000	USD
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CY2014	mtdr	Lease And Well Equipment Inventories LeaseAndWellEquipmentInventories	211000	USD
CY2013Q4	mtdr	Lease And Well Equipment Inventory LeaseAndWellEquipmentInventory	785000	USD
CY2014Q4	mtdr	Lease And Well Equipment Inventory LeaseAndWellEquipmentInventory	1212000	USD
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CY2014	mtdr	Lineof Credit Facility Covenant Debtto Ebitda Ratio LineofCreditFacilityCovenantDebttoEBITDARatio	4.25
CY2014	mtdr	Minimum Delivery Commitment To Avoid Paying Gas Deficiency Fee MinimumDeliveryCommitmentToAvoidPayingGasDeficiencyFee	0.8
CY2014Q4	mtdr	Minimum Outstanding Aggregate Commitments MinimumOutstandingAggregateCommitments	21000000	USD
CY2014	mtdr	Minimum Percentage Likelihood Of Tax Benefit To Be Realized Upon Final Settlement MinimumPercentageLikelihoodOfTaxBenefitToBeRealizedUponFinalSettlement	0.50
CY2014	mtdr	Natural Gas Processing And Transportation Agreement Initiation Date NaturalGasProcessingAndTransportationAgreementInitiationDate	2012-09-01
CY2014	mtdr	Natural Gas Processing And Transportation Agreement Maturity Period NaturalGasProcessingAndTransportationAgreementMaturityPeriod	P5Y
CY2012	mtdr	Net Loss On Asset Sales And Inventory Impairment NetLossOnAssetSalesAndInventoryImpairment	485000	USD
CY2013	mtdr	Net Loss On Asset Sales And Inventory Impairment NetLossOnAssetSalesAndInventoryImpairment	192000	USD
CY2014	mtdr	Net Loss On Asset Sales And Inventory Impairment NetLossOnAssetSalesAndInventoryImpairment	0	USD
CY2012	mtdr	Number Of Purchasers NumberOfPurchasers	3	Purchasers
CY2013	mtdr	Number Of Purchasers NumberOfPurchasers	5	Purchasers
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CY2012Q1	mtdr	Offering Period To Underwriters OfferingPeriodToUnderwriters	P30D
CY2013Q4	mtdr	Oil And Gas Property Full Cost Method Including Unproved And Unevaluated Gross OilAndGasPropertyFullCostMethodIncludingUnprovedAndUnevaluatedGross	1284962000	USD
CY2014Q4	mtdr	Oil And Gas Property Full Cost Method Including Unproved And Unevaluated Gross OilAndGasPropertyFullCostMethodIncludingUnprovedAndUnevaluatedGross	1882332000	USD
CY2014	mtdr	Past Due Days Of Account Receivable Considered Delinquent PastDueDaysOfAccountReceivableConsideredDelinquent	P60D
CY2014	mtdr	Percentage Of Reserves Required To Maintain PercentageOfReservesRequiredToMaintain	1.00
CY2013Q3	mtdr	Proceeds From Public Offering Usedto Fund Working Capital ProceedsFromPublicOfferingUsedtoFundWorkingCapital	11700000	USD
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CY2012	mtdr	Production Taxes And Marketing ProductionTaxesAndMarketing	11672000	USD
CY2013	mtdr	Production Taxes And Marketing ProductionTaxesAndMarketing	20973000	USD
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CY2013Q3	mtdr	Public Offering Underwriting Discounts Commissionsand Direct Offering Costs PublicOfferingUnderwritingDiscountsCommissionsandDirectOfferingCosts	7400000	USD
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CY2012	mtdr	Purchases Of Certificates Of Deposit PurchasesOfCertificatesOfDeposit	496000	USD
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CY2014	mtdr	Repay Deficit In Agreement Period RepayDeficitInAgreementPeriod	P6M
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CY2012	mtdr	Sales Of Certificates Of Deposit SalesOfCertificatesOfDeposit	1601000	USD
CY2013	mtdr	Sales Of Certificates Of Deposit SalesOfCertificatesOfDeposit	291000	USD
CY2014	mtdr	Sales Of Certificates Of Deposit SalesOfCertificatesOfDeposit	0	USD
CY2012	mtdr	Settlementof Stockbased Compensation Tax SettlementofStockbasedCompensationTax	0	USD
CY2013	mtdr	Settlementof Stockbased Compensation Tax SettlementofStockbasedCompensationTax	18000	USD
CY2014	mtdr	Settlementof Stockbased Compensation Tax SettlementofStockbasedCompensationTax	308000	USD
CY2014Q4	mtdr	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAggregateIntrinsicValue	16900000	USD
CY2012	mtdr	Stock Based Compensation Expense Recognized As Liability StockBasedCompensationExpenseRecognizedAsLiability	-1092000	USD
CY2013	mtdr	Stock Based Compensation Expense Recognized As Liability StockBasedCompensationExpenseRecognizedAsLiability	1012000	USD
CY2014	mtdr	Stock Based Compensation Expense Recognized As Liability StockBasedCompensationExpenseRecognizedAsLiability	223000	USD
CY2012	mtdr	Stock Issued During Period Value Common Stock To Board Members And Advisors StockIssuedDuringPeriodValueCommonStockToBoardMembersAndAdvisors	71000	USD
CY2013	mtdr	Stock Issued During Period Value Common Stock To Board Members And Advisors StockIssuedDuringPeriodValueCommonStockToBoardMembersAndAdvisors	57000	USD
CY2014	mtdr	Stock Issued During Period Value Common Stock To Board Members And Advisors StockIssuedDuringPeriodValueCommonStockToBoardMembersAndAdvisors	16000	USD
CY2012	mtdr	Swing Sale Profit SwingSaleProfit	24000	USD
CY2013	mtdr	Swing Sale Profit SwingSaleProfit	0	USD
CY2014	mtdr	Swing Sale Profit SwingSaleProfit	0	USD
CY2012	mtdr	Transfer Of Inventory From Oil And Natural Gas Properties TransferOfInventoryFromOilAndNaturalGasProperties	69000	USD
CY2013	mtdr	Transfer Of Inventory From Oil And Natural Gas Properties TransferOfInventoryFromOilAndNaturalGasProperties	343000	USD
CY2014	mtdr	Transfer Of Inventory From Oil And Natural Gas Properties TransferOfInventoryFromOilAndNaturalGasProperties	216000	USD
CY2014Q4	mtdr	Unamortized Deferred Finance Costs UnamortizedDeferredFinanceCosts	1800000	USD
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	25358000	USD
CY2014Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	17526000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	25823000	USD
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	28976000	USD
CY2013	us-gaap	Accretion Expense AccretionExpense	348000	USD
CY2014	us-gaap	Accretion Expense AccretionExpense	504000	USD
CY2014	us-gaap	Average Sales Prices AverageSalesPrices	4.350
CY2014	us-gaap	Average Sales Prices AverageSalesPrices	91.48
CY2013Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	194306000	USD
CY2013Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	404000	USD
CY2014Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	444000	USD
CY2013Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	63987000	USD
CY2014Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	109502000	USD
CY2013Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	7798000	USD
CY2014Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	14461000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	468995000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	603732000	USD
CY2011	us-gaap	Acquisition Costs AcquisitionCosts	72375000	USD
CY2012	us-gaap	Acquisition Costs AcquisitionCosts	12891000	USD
CY2013	us-gaap	Acquisition Costs AcquisitionCosts	62332000	USD
CY2014	us-gaap	Acquisition Costs AcquisitionCosts	116821000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	548935000	USD
CY2014Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	724819000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	432000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	1232000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	2279000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	11268000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	7390000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	590000	USD
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	USD
CY2012Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	5769000	USD
CY2013Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	7484000	USD
CY2014Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	11951000	USD
CY2012	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	256000	USD
CY2013	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	348000	USD
CY2014	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	504000	USD
CY2013Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	175000	USD
CY2014Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	311000	USD
CY2013	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	936000	USD
CY2014	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	2322000	USD
CY2013	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	-103000	USD
CY2014	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	-22000	USD
CY2013	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	534000	USD
CY2014	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	1663000	USD
CY2013Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	7309000	USD
CY2014Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	11640000	USD
CY2013Q4	us-gaap	Assets Assets	890330000	USD
CY2014Q4	us-gaap	Assets Assets	1436291000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	42875000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	113323000	USD
CY2012	us-gaap	Average Sales Prices AverageSalesPrices	2.757
CY2012	us-gaap	Average Sales Prices AverageSalesPrices	91.21
CY2013	us-gaap	Average Sales Prices AverageSalesPrices	3.670
CY2013	us-gaap	Average Sales Prices AverageSalesPrices	93.42
CY2014Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	264419000	USD
CY2014Q4	us-gaap	Capitalized Costs Wells And Related Equipment And Facilities CapitalizedCostsWellsAndRelatedEquipmentAndFacilities	29600000	USD
CY2013Q4	us-gaap	Cash Cash	6287000	USD
CY2014Q4	us-gaap	Cash Cash	8407000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10284000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2095000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6287000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8407000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-8189000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	4192000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2120000	USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	670000	USD
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	734000	USD
CY2014Q4	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	0	USD
CY2012	us-gaap	Costs And Expenses CostsAndExpenses	198584000	USD
CY2013	us-gaap	Costs And Expenses CostsAndExpenses	200444000	USD
CY2014	us-gaap	Costs And Expenses CostsAndExpenses	251918000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	404000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	133000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	0	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	404000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	133000	USD
CY2012Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	300000	USD
CY2013Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	1200000	USD
CY2014Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	1400000	USD
CY2012Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	100000	USD
CY2013Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	100000	USD
CY2014Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	0	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1430000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	9293000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	64242000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-819000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	431000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2707000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross Current DeferredTaxAssetsGrossCurrent	1636000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross Current DeferredTaxAssetsGrossCurrent	394000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	70099000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	97712000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	1636000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	70069000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	97712000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	1636000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	0	USD
CY2013Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	62000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	113000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	7064000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	7197000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2400000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	15800000	USD
CY2013Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	6700000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10300000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	30000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	0	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	0	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	19751000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	0	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	20145000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	80998000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	151495000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	10929000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	53783000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	76719000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	145620000	USD
CY2012	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	300000	USD
CY2013	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	300000	USD
CY2014	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	500000	USD
CY2014	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.03
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	80454000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	98395000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	134737000	USD
CY2013Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	7704000	USD
CY2014Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	706000	USD
CY2013Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	19000	USD
CY2014Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	55549000	USD
CY2013Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	173000	USD
CY2014Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	0	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	7896000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	56255000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	192000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	55549000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	10649000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	706000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	2945000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	0	USD
CY2013Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	2692000	USD
CY2014Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	0	USD
CY2013Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	253000	USD
CY2014Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	0	USD
CY2014	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y5M22D
CY2014Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	5900000	USD
CY2013Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	7704000	USD
CY2014Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	706000	USD
CY2012	us-gaap	Distributed Earnings DistributedEarnings	28000	USD
CY2013	us-gaap	Distributed Earnings DistributedEarnings	0	USD
CY2014	us-gaap	Distributed Earnings DistributedEarnings	0	USD
CY2012	us-gaap	Dividends Common Stock DividendsCommonStock	28000	USD
CY2011Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	68713	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	27643	USD
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.368
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.34
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.34
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	300000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1100000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1900000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	0	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	0	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	100000.0	USD
CY2014Q4	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	1.00
CY2012	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	13960000	USD
CY2013	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-909000	USD
CY2014	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	5022000	USD
CY2013	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	100000	USD
CY2014	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2013	us-gaap	Gas Gathering Transportation Marketing And Processing Costs GasGatheringTransportationMarketingAndProcessingCosts	5300000	USD
CY2014	us-gaap	Gas Gathering Transportation Marketing And Processing Costs GasGatheringTransportationMarketingAndProcessingCosts	5800000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14543000	USD
CY2013	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20779000	USD
CY2014	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	32152000	USD
	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	33200000	USD
	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	3600000	USD
CY2012Q4	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	26700000	USD
CY2012	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	63475000	USD
CY2013Q1	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	21200000	USD
CY2013	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	21229000	USD
CY2014	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	0	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-34691000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	54791000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	175129000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1430000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9697000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	64375000	USD
CY2012	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	10260000	USD
CY2013	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-8885000	USD
CY2014	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-11767000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	19177000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	61301000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-122000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	0	USD
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	0	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	16342000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2160000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	13318000	USD
	us-gaap	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	11900000	USD
	us-gaap	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	1300000	USD
CY2012	us-gaap	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	9400000	USD
CY2013Q1	us-gaap	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	7500000	USD
CY2012	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	0	USD
CY2013	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	404000	USD
CY2014	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	39000	USD
CY2012	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	19740000	USD
CY2013	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-3638000	USD
CY2014	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	607000	USD
CY2012	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	282000	USD
CY2013	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	415000	USD
CY2014	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	-187000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	673000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	548000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1212000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-50000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	668000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	783000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	609000	USD
CY2012	us-gaap	Increase Decrease In Royalties Payable IncreaseDecreaseInRoyaltiesPayable	4685000	USD
CY2013	us-gaap	Increase Decrease In Royalties Payable IncreaseDecreaseInRoyaltiesPayable	1257000	USD
CY2014	us-gaap	Increase Decrease In Royalties Payable IncreaseDecreaseInRoyaltiesPayable	6663000	USD
CY2012	us-gaap	Interest And Other Income InterestAndOtherIncome	224000	USD
CY2013	us-gaap	Interest And Other Income InterestAndOtherIncome	225000	USD
CY2014	us-gaap	Interest And Other Income InterestAndOtherIncome	1345000	USD
CY2012	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1600000	USD
CY2013	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1900000	USD
CY2014	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2800000	USD
CY2012	us-gaap	Interest Expense InterestExpense	1002000	USD
CY2013	us-gaap	Interest Expense InterestExpense	5687000	USD
CY2014	us-gaap	Interest Expense InterestExpense	5334000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	780000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	5801000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	5269000	USD
CY2013Q4	us-gaap	Inventory Net InventoryNet	0	USD
CY2012	us-gaap	Lease Operating Expense LeaseOperatingExpense	28184000	USD
CY2013	us-gaap	Lease Operating Expense LeaseOperatingExpense	38720000	USD
CY2014	us-gaap	Lease Operating Expense LeaseOperatingExpense	51353000	USD
CY2014Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	600000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	890330000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1436291000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	100327000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	161787000	USD
CY2013Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	221079000	USD
CY2014Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	407963000	USD
CY2014	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2016-12-29
CY2014Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.033
CY2013Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	200000000	USD
CY2014Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	340000000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	0	USD
CY2014Q4	us-gaap	Minority Interest MinorityInterest	133000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	174499000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	191661000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	321170000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-306916000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-366939000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-570531000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	124228000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	179470000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	251481000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	-33261000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	45094000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	110771000	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2013	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2014	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-17000	USD
CY2014	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2013Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables Current OilAndGasJointInterestBillingReceivablesCurrent	4785000	USD
CY2014Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables Current OilAndGasJointInterestBillingReceivablesCurrent	6925000	USD
CY2013Q4	us-gaap	Oil And Gas Property Full Cost Method Depletion OilAndGasPropertyFullCostMethodDepletion	463091000	USD
CY2014Q4	us-gaap	Oil And Gas Property Full Cost Method Depletion OilAndGasPropertyFullCostMethodDepletion	596218000	USD
CY2013Q4	us-gaap	Oil And Gas Property Full Cost Method Gross OilAndGasPropertyFullCostMethodGross	1090656000	USD
CY2014Q4	us-gaap	Oil And Gas Property Full Cost Method Gross OilAndGasPropertyFullCostMethodGross	1617913000	USD
CY2013Q4	us-gaap	Oil And Gas Property Full Cost Method Net OilAndGasPropertyFullCostMethodNet	821871000	USD
CY2014Q4	us-gaap	Oil And Gas Property Full Cost Method Net OilAndGasPropertyFullCostMethodNet	1286114000	USD
CY2012	us-gaap	Oil And Gas Sales Revenue OilAndGasSalesRevenue	155998000	USD
CY2013	us-gaap	Oil And Gas Sales Revenue OilAndGasSalesRevenue	269030000	USD
CY2014	us-gaap	Oil And Gas Sales Revenue OilAndGasSalesRevenue	367712000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	-33428000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	60445000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	179118000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	7047000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	971000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	941000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	927000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	905000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	885000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	2418000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	600000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	800000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	900000	USD
CY2013Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	3586000	USD
CY2014Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	5635000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	1578000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	896000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1405000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	896000	USD
CY2013Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	88000	USD
CY2014Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	103000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2588000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2540000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1263000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5654000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3989000	USD
CY2013Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	1066000	USD
CY2014Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	9091000	USD
CY2014	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	2100000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	96000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	USD
CY2012	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	11599000	USD
CY2013	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	7390000	USD
CY2014	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	590000	USD
CY2012	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	7332000	USD
CY2013	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	3977000	USD
CY2014	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	9152000	USD
CY2012	us-gaap	Payments To Explore And Develop Oil And Gas Properties PaymentsToExploreAndDevelopOilAndGasProperties	300689000	USD
CY2013	us-gaap	Payments To Explore And Develop Oil And Gas Properties PaymentsToExploreAndDevelopOilAndGasProperties	363192000	USD
CY2014	us-gaap	Payments To Explore And Develop Oil And Gas Properties PaymentsToExploreAndDevelopOilAndGasProperties	560849000	USD
CY2013Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	2474000	USD
CY2014Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	2554000	USD
CY2013Q3	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	141700000	USD
CY2014Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	181300000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	146510000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	149069000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	181875000	USD
CY2012	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	160000000	USD
CY2013	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	180000000	USD
CY2014	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	320000000	USD
CY2014	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	150000	USD
CY2012	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	0	USD
CY2013	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	0	USD
CY2014	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	79000	USD
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2660000	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2014	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	43000	USD
CY2014	us-gaap	Profit Loss ProfitLoss	110754000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	845877000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1322072000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net Excluding Capital Leased Assets PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets	24006000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net Excluding Capital Leased Assets PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets	35958000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	29910000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	43472000	USD
CY2012Q1	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	123000000	USD
CY2012	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	123000000	USD
CY2013	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	130000000	USD
CY2014	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	180000000	USD
CY2013Q3	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	130000000	USD
CY2014Q2	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	180000000	USD
CY2013Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	0	USD
CY2014Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	609000	USD
CY2012	us-gaap	Restricted Stock Expense RestrictedStockExpense	758000	USD
CY2013	us-gaap	Restricted Stock Expense RestrictedStockExpense	1618000	USD
CY2014	us-gaap	Restricted Stock Expense RestrictedStockExpense	3023000	USD
CY2012	us-gaap	Results Of Operations Accretion Of Asset Retirement Obligations ResultsOfOperationsAccretionOfAssetRetirementObligations	1195000	USD
CY2013	us-gaap	Results Of Operations Accretion Of Asset Retirement Obligations ResultsOfOperationsAccretionOfAssetRetirementObligations	1363000	USD
CY2014	us-gaap	Results Of Operations Accretion Of Asset Retirement Obligations ResultsOfOperationsAccretionOfAssetRetirementObligations	3843000	USD
CY2012	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	24847000	USD
CY2013	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	7458000	USD
CY2014	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	32972000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	30084000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	140855000	USD
CY2012	us-gaap	Revenues Revenues	165156000	USD
CY2013	us-gaap	Revenues Revenues	260889000	USD
CY2014	us-gaap	Revenues Revenues	431036000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	140000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	3897000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	5524000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P4Y
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	105126	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	4000000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	20.23
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	900000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	36000000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	200000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	39000	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	13.21
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	419000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.95
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.91
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.45
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	13900000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1428000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1798000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	9.32
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.47
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.95
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	23.19
CY2014Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3300000	USD
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y4M16D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	300000	USD
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	300000	USD
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	1500000	USD
CY2013Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	9775000	shares
CY2014Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	7500000	shares
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10000	shares
CY2012Q1	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	12209167	shares
CY2012	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2012	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	146510000	USD
CY2013	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	149069000	USD
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	181875000	USD
CY2012	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	-29000	USD
CY2013	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	22000	USD
CY2014	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	17000	USD
CY2012	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2013	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2014	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	216000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	162000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	84000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3544000	USD
CY2014	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	43000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	568924000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	866408000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	271515000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	379104000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	568924000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	866541000	USD
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1306177	shares
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	30967	shares
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	10765000	USD
CY2014Q4	us-gaap	Treasury Stock Value TreasuryStockValue	0	USD
	us-gaap	Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitation Expense UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense	21300000	USD
	us-gaap	Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitation Expense UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense	2300000	USD
CY2012	us-gaap	Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitation Expense UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense	17300000	USD
CY2013Q1	us-gaap	Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitation Expense UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense	13700000	USD
CY2014	us-gaap	Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitation Expense UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationExpense	0	USD
CY2012	us-gaap	Undistributed Earnings UndistributedEarnings	-33289000	USD
CY2013	us-gaap	Undistributed Earnings UndistributedEarnings	45094000	USD
CY2014	us-gaap	Undistributed Earnings UndistributedEarnings	110771000	USD
CY2012	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-4802000	USD
CY2013	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-7232000	USD
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	70906000	shares
CY2014	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	58302000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	1195000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary	2992000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	1801000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	5988000	USD
CY2013	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	7900000	USD
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53957000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	58929000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53957000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	58777000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	70229000	shares
CY2014	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:8px;font-size:10pt;"><font style="font-family:inherit;font-size:8pt;"></font><font style="font-family:inherit;font-size:10pt;font-style:italic;text-decoration:underline;">Credit Risk</font></div><div style="line-height:120%;padding-top:8px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company’s cash is held in financial institutions and at times these amounts exceed the insurance limits of the Federal Deposit Insurance Corporation. Management believes, however, that the Company’s counterparty risks are minimal based on the reputation and history of the institutions selected.</font></div><div style="line-height:120%;padding-top:8px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company uses derivative financial instruments to mitigate its exposure to oil, natural gas and natural gas liquids price volatility. These transactions expose the Company to potential credit risk from its counterparties. Accounts receivable constitute the principal component of additional credit risk to which the Company may be exposed. The Company believes that any credit risk posed is insignificant and is offset by the creditworthiness of its customer base and industry partners.</font></div></div>
CY2014	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:16px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">NATURE OF OPERATIONS</font></div><div style="line-height:120%;padding-top:8px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Matador Resources Company, a Texas corporation (“Matador” and, collectively with its subsidiaries, the “Company”), is an independent energy company engaged in the exploration, development, production and acquisition of oil and natural gas resources in the United States, with an emphasis on oil and natural gas shale and other unconventional plays. The Company’s current operations are focused primarily on the oil and liquids-rich portion of the Eagle Ford shale play in South Texas and the Wolfcamp and Bone Spring plays in the Permian Basin in Southeast New Mexico and West Texas. The Company also operates in the Haynesville shale and Cotton Valley plays in Northwest Louisiana and East Texas.</font></div></div>
CY2014	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:8px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;text-decoration:underline;">Reclassifications</font></div><div style="line-height:120%;padding-top:8px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain reclassifications have been made to the prior years’ financial statements to conform to the current year presentation. These reclassifications had no effect on previously reported results of operations, cash flows or retained earnings.</font></div></div>
CY2014	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:8px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;text-decoration:underline;">Use of Estimates</font></div><div style="line-height:120%;padding-top:8px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. These estimates and assumptions may also affect 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. While the Company believes its estimates are reasonable, changes in facts and assumptions or the discovery of new information may result in revised estimates. Actual results could differ from these estimates.</font></div><div style="line-height:120%;padding-top:8px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company’s consolidated financial statements are based on a number of significant estimates, including oil and natural gas revenues, accrued assets and liabilities, stock-based compensation, valuation of derivative instruments, deferred tax assets and liabilities and oil and natural gas reserves. The estimates of oil and natural gas reserves quantities and future net cash flows are the basis for the calculations of depletion and impairment of oil and natural gas properties, as well as estimates of asset retirement obligations and certain tax accruals. The Company’s oil and natural gas reserves estimates, which are inherently imprecise and based upon many factors that are beyond the Company’s control, including oil and natural gas prices, are prepared by the Company’s engineering staff in accordance with guidelines established by the Securities and Exchange Commission (“SEC”) and then audited for their reasonableness and conformance with SEC guidelines by Netherland, Sewell & Associates, Inc., independent reservoir engineers.</font></div></div>

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$MTDR
Matador Resources Co Stock $mtdr

2014 Q2 Form 10-K Financial Statement

#000152000615000008 Filed on March 02, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MTDR Matador Resources Co Stock $mtdr

2014 Q2 Form 10-K Financial Statement

#000152000615000008 Filed on March 02, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MTDR
Matador Resources Co Stock $mtdr