$CRK
COMSTOCK RESOURCES INC

2017 Q1 Form 10-K Financial Statement

#000156459017002442 Filed on February 24, 2017

View on sec.gov

Income Statement

Concept 2017 Q1 2016 Q4 2016 Q3
Revenue $53.80M $48.50M $50.30M
YoY Change 48.62% 2.75% -18.02%
Cost Of Revenue $15.10M $13.90M $17.70M
YoY Change -18.38% -32.52% -21.68%
Gross Profit $38.70M $34.60M $32.60M
YoY Change 118.64% 30.08% -15.98%
Gross Profit Margin 71.93% 71.34% 64.81%
Selling, General & Admin $6.400M $8.500M $4.200M
YoY Change 14.29% 214.81% -26.32%
% of Gross Profit 16.54% 24.57% 12.88%
Research & Development $0.00 $0.00 $76.40M
YoY Change -100.0% -100.0% 1428.0%
% of Gross Profit 0.0% 0.0% 234.36%
Depreciation & Amortization $29.91M $29.10M $37.50M
YoY Change -23.0% -51.01% -52.8%
% of Gross Profit 77.27% 84.1% 115.03%
Operating Expenses $51.42M $37.70M $149.1M
YoY Change -1.49% -39.78% -77.32%
Operating Profit $2.381M -$5.805M -$98.79M
YoY Change -104.21% -98.0% -83.43%
Interest Expense $32.90M -$44.70M -$31.20M
YoY Change -212.29% 43.27% -197.02%
% of Operating Profit 1381.77%
Other Income/Expense, Net -$24.88M $100.0K $200.0K
YoY Change -8392.33% -80.0% -99.02%
Pretax Income -$22.50M -$51.50M -$29.30M
YoY Change -56.84% -82.72% -94.91%
Income Tax $435.0K $3.400M -$825.0K
% Of Pretax Income
Net Earnings -$22.93M -$54.93M -$28.48M
YoY Change -59.47% -80.96% -94.78%
Net Earnings / Revenue -42.62% -113.26% -56.61%
Basic Earnings Per Share
Diluted Earnings Per Share -$1.613M -$4.159M -$2.317M
COMMON SHARES
Basic Shares Outstanding 15.20M 13.46M 12.50M shares
Diluted Shares Outstanding

Balance Sheet

Concept 2017 Q1 2016 Q4 2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments $30.40M $65.90M $26.60M
YoY Change -65.96% -50.82% -83.76%
Cash & Equivalents $30.40M $65.90M $26.58M
Short-Term Investments
Other Short-Term Assets $2.800M $1.824M $2.000M
YoY Change -6.67% -8.48% -52.38%
Inventory $1.200M
Prepaid Expenses
Receivables $24.50M $19.34M $48.10M
Other Receivables $0.00 $0.00 $0.00
Total Short-Term Assets $57.70M $90.17M $76.70M
YoY Change -61.38% -42.29% -60.03%
LONG-TERM ASSETS
Property, Plant & Equipment $807.3M $798.7M $807.7M
YoY Change -13.62% -23.09% -38.6%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $1.000M $1.000M $1.100M
YoY Change -16.67% -16.11% -95.11%
Total Long-Term Assets $808.3M $799.7M $808.8M
YoY Change -13.62% -23.07% -39.54%
TOTAL ASSETS
Total Short-Term Assets $57.70M $90.17M $76.70M
Total Long-Term Assets $808.3M $799.7M $808.8M
Total Assets $866.0M $889.9M $885.5M
YoY Change -20.19% -25.58% -42.11%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $57.10M $45.30M $37.80M
YoY Change 37.26% -20.91% -26.17%
Accrued Expenses $16.50M $40.40M $16.80M
YoY Change -44.07% 5.09% -51.72%
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 $74.50M $91.70M $58.20M
YoY Change 3.04% -4.2% -36.04%
LONG-TERM LIABILITIES
Long-Term Debt $1.051B $1.045B $1.026B
YoY Change -13.15% -16.4% -20.95%
Other Long-Term Liabilities $16.00M $15.80M $16.20M
YoY Change -0.62% -21.39% 7.28%
Total Long-Term Liabilities $1.067B $1.060B $1.042B
YoY Change -12.99% -15.13% -20.63%
TOTAL LIABILITIES
Total Short-Term Liabilities $74.50M $91.70M $58.20M
Total Long-Term Liabilities $1.067B $1.060B $1.042B
Total Liabilities $1.151B $1.161B $1.106B
YoY Change -11.8% -15.07% -21.84%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity -$285.4M -$271.3M -$220.0M
YoY Change
Total Liabilities & Shareholders Equity $866.0M $889.9M $885.5M
YoY Change -20.19% -25.58% -42.11%

Cashflow Statement

Concept 2017 Q1 2016 Q4 2016 Q3
OPERATING ACTIVITIES
Net Income -$22.93M -$54.93M -$28.48M
YoY Change -59.47% -80.96% -94.78%
Depreciation, Depletion And Amortization $29.91M $29.10M $37.50M
YoY Change -23.0% -51.01% -52.8%
Cash From Operating Activities $3.200M $31.00M -$23.50M
YoY Change -110.32% 369.7% 3257.14%
INVESTING ACTIVITIES
Capital Expenditures $38.40M -$16.30M -$7.400M
YoY Change 170.72% -47.92% -79.21%
Acquisitions
YoY Change
Other Investing Activities $0.00 $25.80M $0.00
YoY Change -100.0% -13000.0% -100.0%
Cash From Investing Activities -$38.40M $9.500M -$7.500M
YoY Change 188.72% -130.16% -111.18%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -300.0K -1.200M -9.800M
YoY Change 0.0% -75.51% -70.03%
NET CHANGE
Cash From Operating Activities 3.200M 31.00M -23.50M
Cash From Investing Activities -38.40M 9.500M -7.500M
Cash From Financing Activities -300.0K -1.200M -9.800M
Net Change In Cash -35.50M 39.30M -40.80M
YoY Change -20.4% -231.88% -221.07%
FREE CASH FLOW
Cash From Operating Activities $3.200M $31.00M -$23.50M
Capital Expenditures $38.40M -$16.30M -$7.400M
Free Cash Flow -$35.20M $47.30M -$16.10M
YoY Change -22.1% 24.8% -146.13%

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<div> <p style="text-align:justify;margin-bottom:0pt;margin-top:12pt;margin-left:2.62%;text-indent:0%;font-weight:bold;font-style:italic;font-size:11pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Use of Estimates in the Preparation of Financial Statements </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:6pt;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:3.85%;">The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual amounts could differ from those estimates. Changes in the future estimated oil and natural gas reserves or the estimated future cash flows attributable to the reserves that are utilized for impairment analyses could have a significant impact on the future results of operations. </p></div>
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CY2015Q4 us-gaap Derivative Assets
DerivativeAssets
1400000
CY2016 crk Conversion Ratio Of Oil To Natural Gas In Units Of Production
ConversionRatioOfOilToNaturalGasInUnitsOfProduction
One barrel of oil for six thousand cubic feet of natural gas
CY2016 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
84144000
CY2015 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
68947000
CY2014 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
500000
CY2014 crk Impaired Oil And Gas Properties Fair Value
ImpairedOilAndGasPropertiesFairValue
18000000
CY2015Q4 us-gaap Interest Payable Current
InterestPayableCurrent
29075000
CY2016Q4 us-gaap Interest Payable Current
InterestPayableCurrent
22721000
CY2015Q4 crk Accrued Drilling Costs
AccruedDrillingCosts
5306000
CY2015Q4 us-gaap Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
107000
CY2015 crk Asset Retirement Obligation Assets Disposed
AssetRetirementObligationAssetsDisposed
628000
CY2015 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
673000
CY2016 us-gaap Number Of Operating Segments
NumberOfOperatingSegments
1
CY2014 crk General And Administrative Expense Reimbursements Of Overhead Costs
GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts
13200000
CY2015 crk General And Administrative Expense Reimbursements Of Overhead Costs
GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts
13900000
CY2016 crk General And Administrative Expense Reimbursements Of Overhead Costs
GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts
12400000
CY2016 crk Performance Units Adjustment For Performance Multiplier Range Minimum
PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMinimum
0.00
CY2016 crk Performance Units Adjustment For Performance Multiplier Range Maximum
PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMaximum
2.00
CY2016Q4 us-gaap Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1
ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
0.01
CY2014 us-gaap Preferred Stock Dividends And Other Adjustments
PreferredStockDividendsAndOtherAdjustments
-595000
CY2014 crk Net Income Loss Available To Common Stockholders Basic And Diluted
NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted
-57706000
CY2015 crk Net Income Loss Available To Common Stockholders Basic And Diluted
NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted
-1047109000
CY2016 crk Net Income Loss Available To Common Stockholders Basic And Diluted
NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted
-135134000
CY2014 crk Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Nonvested Weighted Average Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionNonvestedWeightedAverageNumber
238000
CY2015 crk Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Nonvested Weighted Average Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionNonvestedWeightedAverageNumber
293000
CY2016 crk Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Nonvested Weighted Average Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionNonvestedWeightedAverageNumber
344000
CY2014 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
23000
CY2015 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
20000
CY2016 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
11000
CY2016 crk Antidilutive Securities Warrants For Common Stock Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesWarrantsForCommonStockExcludedFromComputationOfEarningsPerShareAmount
337000
CY2014 crk Antidilutive Securities Performance Share Units Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEarningsPerShareAmount
100000
CY2015 crk Antidilutive Securities Performance Share Units Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEarningsPerShareAmount
136000
CY2016 crk Antidilutive Securities Performance Share Units Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEarningsPerShareAmount
136000
CY2014 crk Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Grant Date Fair Value Price
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice
99.40
CY2015 crk Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Grant Date Fair Value Price
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice
35.35
CY2016 crk Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Grant Date Fair Value Price
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice
22.17
CY2015Q4 us-gaap Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities
CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
3389786000
CY2016 crk Antidilutive Securities Contingently Convertible Shares Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesContingentlyConvertibleSharesExcludedFromComputationOfEarningsPerShareAmount
11574000
CY2014 us-gaap Interest Paid
InterestPaid
62812000
CY2015 us-gaap Interest Paid
InterestPaid
94177000
CY2016 us-gaap Interest Paid
InterestPaid
105449000
CY2014 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
682000
CY2015 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
77000
CY2014 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
10200000
CY2015 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
900000
CY2016 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
0
CY2016Q1 crk Property Exchange Net Acres Received
PropertyExchangeNetAcresReceived
3637
CY2016Q1 crk Property Exchange Gross Wells Received
PropertyExchangeGrossWellsReceived
4
CY2016Q1 crk Property Exchange Net Wells Received
PropertyExchangeNetWellsReceived
3.5
CY2016Q1 crk Property Exchange Net Acres Disposed
PropertyExchangeNetAcresDisposed
2547
CY2016Q1 crk Property Exchange Gross Wells Disposed
PropertyExchangeGrossWellsDisposed
7
CY2016Q1 crk Property Exchange Net Wells Disposed
PropertyExchangeNetWellsDisposed
5.3
CY2016 crk Gain On Property Exchange Of Oil And Gas Properties
GainOnPropertyExchangeOfOilAndGasProperties
700000
CY2016 us-gaap Proceeds From Sale Of Oil And Gas Property And Equipment
ProceedsFromSaleOfOilAndGasPropertyAndEquipment
2100000
CY2016 us-gaap Gain Loss On Disposition Of Assets
GainLossOnDispositionOfAssets
-1600000
CY2014 crk Oil And Gas Properties Sold Oil And Gas Sales
OilAndGasPropertiesSoldOilAndGasSales
32984000
CY2015 crk Oil And Gas Properties Sold Oil And Gas Sales
OilAndGasPropertiesSoldOilAndGasSales
30169000
CY2016 crk Oil And Gas Properties Sold Oil And Gas Sales
OilAndGasPropertiesSoldOilAndGasSales
7480000
CY2014 crk Oil And Gas Properties Sold Operating Expenses
OilAndGasPropertiesSoldOperatingExpenses
47639000
CY2015 crk Oil And Gas Properties Sold Operating Expenses
OilAndGasPropertiesSoldOperatingExpenses
83275000
CY2016 crk Oil And Gas Properties Sold Operating Expenses
OilAndGasPropertiesSoldOperatingExpenses
5690000
CY2014 crk Oil And Gas Properties Sold Operating Income Loss
OilAndGasPropertiesSoldOperatingIncomeLoss
-14655000
CY2015 crk Oil And Gas Properties Sold Operating Income Loss
OilAndGasPropertiesSoldOperatingIncomeLoss
-53106000
CY2016 crk Oil And Gas Properties Sold Operating Income Loss
OilAndGasPropertiesSoldOperatingIncomeLoss
1790000
CY2015Q4 us-gaap Capitalized Costs Unproved Properties
CapitalizedCostsUnprovedProperties
84144000
CY2015Q4 crk Capitalized Costs Lease Hold Costs
CapitalizedCostsLeaseHoldCosts
982915000
CY2016Q4 crk Capitalized Costs Lease Hold Costs
CapitalizedCostsLeaseHoldCosts
662022000
CY2015Q4 us-gaap Capitalized Costs Wells And Related Equipment And Facilities
CapitalizedCostsWellsAndRelatedEquipmentAndFacilities
3349307000
CY2016Q4 us-gaap Capitalized Costs Wells And Related Equipment And Facilities
CapitalizedCostsWellsAndRelatedEquipmentAndFacilities
3135079000
CY2016Q4 us-gaap Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities
CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
3009236000
CY2015Q4 us-gaap Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
1026580000
CY2016Q4 us-gaap Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
787865000
CY2014 us-gaap Costs Incurred Acquisition Of Unproved Oil And Gas Properties
CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
91960000
CY2015 us-gaap Costs Incurred Acquisition Of Unproved Oil And Gas Properties
CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
12972000
CY2014 us-gaap Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves
CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
2400000
CY2014 us-gaap Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
440848000
CY2015 us-gaap Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
221265000
CY2016 us-gaap Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
58587000
CY2014 us-gaap Costs Incurred Exploration Costs
CostsIncurredExplorationCosts
52080000
CY2015 us-gaap Costs Incurred Exploration Costs
CostsIncurredExplorationCosts
12265000
CY2014 us-gaap Costs Incurred Acquisition Of Oil And Gas Properties
CostsIncurredAcquisitionOfOilAndGasProperties
587288000
CY2015 us-gaap Costs Incurred Acquisition Of Oil And Gas Properties
CostsIncurredAcquisitionOfOilAndGasProperties
246502000
CY2016 us-gaap Costs Incurred Acquisition Of Oil And Gas Properties
CostsIncurredAcquisitionOfOilAndGasProperties
58587000
CY2015Q4 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
19670000
CY2016Q4 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
16183000
CY2016Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
0
CY2016Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
0
CY2016Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
286391000
CY2016Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
879042000
CY2016Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
0
CY2016Q4 us-gaap Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
0
CY2016Q4 crk Long Term Debt Principal Amount
LongTermDebtPrincipalAmount
1165433000
CY2015 us-gaap Write Off Of Deferred Debt Issuance Cost
WriteOffOfDeferredDebtIssuanceCost
3700000
CY2014 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
1500000
CY2015 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
1500000
CY2016 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
1500000
CY2016Q4 us-gaap Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
1521000
CY2016Q4 us-gaap Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
1560000
CY2016Q4 us-gaap Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
1560000
CY2016Q4 us-gaap Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
1560000
CY2016Q4 us-gaap Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
1560000
CY2016Q4 us-gaap Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
7761000
CY2016Q4 crk Commitments For Contracted Drilling Services
CommitmentsForContractedDrillingServices
2800000
CY2016 crk Contract Terms Related To Drilling Services
ContractTermsRelatedToDrillingServices
through April 2017
CY2016 crk Natural Gas Transportation Agreement Term
NaturalGasTransportationAgreementTerm
through July 2019
CY2016Q4 crk Maximum Commitments Under Natural Gas Transportation Agreements
MaximumCommitmentsUnderNaturalGasTransportationAgreements
4200000
CY2016Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
5000000
CY2015Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
5000000
CY2016Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
10.00
CY2015Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
10.00
CY2016Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2015Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2015 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
0
CY2016 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
0
CY2016Q4 us-gaap Debt Conversion Original Debt Amount1
DebtConversionOriginalDebtAmount1
2100000
CY2016Q3 us-gaap Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights
ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
1917342
CY2016Q3 us-gaap Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1
ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
0.01
CY2016 crk Stock And Warrants Exercised During Period Shares Preferred Stock And Warrants
StockAndWarrantsExercisedDuringPeriodSharesPreferredStockAndWarrants
1255462
CY2016Q4 us-gaap Class Of Warrant Or Right Outstanding
ClassOfWarrantOrRightOutstanding
661880
CY2016 us-gaap Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net
AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet
0
CY2015Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
11730
CY2016 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
11730
CY2016Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
0
CY2015Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
166.10
CY2016 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
166.10
CY2016Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
0
CY2014 us-gaap Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
834000
CY2015 us-gaap Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
888000
CY2016 us-gaap Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
758000
CY2014 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
0
CY2015 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
0
CY2016 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
0
CY2014 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
-12000
CY2014 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-27652000
CY2015 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-149171000
CY2015Q4 crk Additional Federal Valuation Allowance On Net Operating Loss Carryforwards And Other Federal Tax Assets
AdditionalFederalValuationAllowanceOnNetOperatingLossCarryforwardsAndOtherFederalTaxAssets
775304000
CY2016Q4 crk Additional Federal Valuation Allowance On Net Operating Loss Carryforwards And Other Federal Tax Assets
AdditionalFederalValuationAllowanceOnNetOperatingLossCarryforwardsAndOtherFederalTaxAssets
132482000
CY2015Q4 crk Tax Effect Of Additional Federal Valuation Allowance On Net Operating Loss Carryforwards And Other Federal Tax Assets
TaxEffectOfAdditionalFederalValuationAllowanceOnNetOperatingLossCarryforwardsAndOtherFederalTaxAssets
271356000
CY2016Q4 crk Tax Effect Of Additional Federal Valuation Allowance On Net Operating Loss Carryforwards And Other Federal Tax Assets
TaxEffectOfAdditionalFederalValuationAllowanceOnNetOperatingLossCarryforwardsAndOtherFederalTaxAssets
46369000
CY2014Q4 crk Additional State Valuation Allowance On Net Operating Loss Carryforwards
AdditionalStateValuationAllowanceOnNetOperatingLossCarryforwards
213066000
CY2015Q4 crk Additional State Valuation Allowance On Net Operating Loss Carryforwards
AdditionalStateValuationAllowanceOnNetOperatingLossCarryforwards
264188000
CY2016Q4 crk Additional State Valuation Allowance On Net Operating Loss Carryforwards
AdditionalStateValuationAllowanceOnNetOperatingLossCarryforwards
434561000
CY2014Q4 crk Tax Effect Of Additional State Valuation Allowance On Net Operating Loss Carryforwards
TaxEffectOfAdditionalStateValuationAllowanceOnNetOperatingLossCarryforwards
11099000
CY2015Q4 crk Tax Effect Of Additional State Valuation Allowance On Net Operating Loss Carryforwards
TaxEffectOfAdditionalStateValuationAllowanceOnNetOperatingLossCarryforwards
12228000
CY2016Q4 crk Tax Effect Of Additional State Valuation Allowance On Net Operating Loss Carryforwards
TaxEffectOfAdditionalStateValuationAllowanceOnNetOperatingLossCarryforwards
23521000
CY2015Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows
693895000
CY2016Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows
960087000
CY2016 us-gaap Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
73000
CY2014 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
-8121000
CY2015 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
-18218000
CY2016 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.350
CY2014 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
-28630000
CY2015 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
-420544000
CY2016 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
-44788000
CY2014 us-gaap Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
756000
CY2015 us-gaap Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
539000
CY2016 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
-18860000
CY2016 us-gaap Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
69890000
CY2014 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
207000
CY2015 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
193000
CY2016 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
854000
CY2014 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
-0.009
CY2016 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
-0.001
CY2014 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.099
CY2015 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.014
CY2016 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.147
CY2014 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
-0.136
CY2015 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
-0.235
CY2016 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
-0.546
CY2014 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.002
CY2016 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.006
CY2014 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.302
CY2015 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.129
CY2016 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
-0.056
CY2015Q4 us-gaap Deferred Tax Assets Property Plant And Equipment
DeferredTaxAssetsPropertyPlantAndEquipment
58993000
CY2016Q4 us-gaap Deferred Tax Assets Property Plant And Equipment
DeferredTaxAssetsPropertyPlantAndEquipment
15164000
CY2015Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
255571000
CY2016Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
339914000
CY2015Q4 us-gaap Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
20435000
CY2016Q4 us-gaap Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
20435000
CY2016Q4 us-gaap Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
2110000
CY2016Q4 crk Deferred Tax Assets Gain On Debt Exchange
DeferredTaxAssetsGainOnDebtExchange
20194000
CY2015Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
7895000
CY2016Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
8523000
CY2015Q4 us-gaap Deferred Tax Assets Gross Noncurrent
DeferredTaxAssetsGrossNoncurrent
342894000
CY2016Q4 us-gaap Deferred Tax Assets Gross Noncurrent
DeferredTaxAssetsGrossNoncurrent
406340000
CY2015Q4 us-gaap Deferred Tax Assets Valuation Allowance Noncurrent
DeferredTaxAssetsValuationAllowanceNoncurrent
330372000
CY2016Q4 us-gaap Deferred Tax Assets Valuation Allowance Noncurrent
DeferredTaxAssetsValuationAllowanceNoncurrent
398120000
CY2015Q4 us-gaap Deferred Tax Assets Net Noncurrent
DeferredTaxAssetsNetNoncurrent
12522000
CY2016Q4 us-gaap Deferred Tax Assets Net Noncurrent
DeferredTaxAssetsNetNoncurrent
8220000
CY2015Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
9047000
CY2016Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
9203000
CY2015Q4 us-gaap Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
506000
CY2016Q4 us-gaap Deferred Tax Liabilities Deferred Expense Deferred Financing Costs
DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts
4025000
CY2015Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
4934000
CY2016Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
4118000
CY2015Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
14487000
CY2016Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
17346000
CY2016 crk Cumulative Common Stock Ownership Change Over Three Year Period That Would Limit Federal And State Net Operating Loss Carry Forwards
CumulativeCommonStockOwnershipChangeOverThreeYearPeriodThatWouldLimitFederalAndStateNetOperatingLossCarryForwards
0.50
CY2016 crk Number Of State Jurisdiction Currently Under Review
NumberOfStateJurisdictionCurrentlyUnderReview
1
CY2015 us-gaap Derivative Gain On Derivative
DerivativeGainOnDerivative
2700000
CY2014 us-gaap Derivative Loss On Derivative
DerivativeLossOnDerivative
8200000
CY2016Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts
798454000
CY2015Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts
362874000
CY2016Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts
502848000
CY2015Q3 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
-59.05
CY2015Q4 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
-31.26
CY2016Q1 us-gaap Oil And Gas Sales Revenue
OilAndGasSalesRevenue
36163000
CY2016Q4 us-gaap Oil And Gas Sales Revenue
OilAndGasSalesRevenue
48498000
CY2016Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
-5805000
CY2016Q4 us-gaap Net Income Loss
NetIncomeLoss
-54933000
CY2016Q4 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
-4.48
CY2015Q2 us-gaap Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
-111830000
CY2015Q3 us-gaap Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
52000
CY2015Q4 us-gaap Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
-307000
CY2015Q3 us-gaap Net Income Loss
NetIncomeLoss
-544996000
CY2015Q4 us-gaap Net Income Loss
NetIncomeLoss
-288543000
CY2015Q1 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
-8.53
CY2015Q2 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
-14.64
CY2016 us-gaap Derivative Loss On Derivative
DerivativeLossOnDerivative
5400000
CY2015Q4 us-gaap Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral
DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
1400000
CY2015Q4 crk Derivative Assets Carry Value Net
DerivativeAssetsCarryValueNet
1400000
CY2016Q4 us-gaap Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral
DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
6000000
CY2016Q4 crk Derivative Liabilities At Carrying Value
DerivativeLiabilitiesAtCarryingValue
6000000
CY2015Q1 us-gaap Oil And Gas Sales Revenue
OilAndGasSalesRevenue
66522000
CY2015Q2 us-gaap Oil And Gas Sales Revenue
OilAndGasSalesRevenue
77312000
CY2015Q3 us-gaap Oil And Gas Sales Revenue
OilAndGasSalesRevenue
61360000
CY2015Q4 us-gaap Oil And Gas Sales Revenue
OilAndGasSalesRevenue
47228000
CY2015Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
-96928000
CY2015Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
-182185000
CY2015Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
-596026000
CY2015Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
-290515000
CY2015Q1 us-gaap Net Income Loss
NetIncomeLoss
-78502000
CY2015Q2 us-gaap Net Income Loss
NetIncomeLoss
-135068000
CY2015 us-gaap Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
-112085000
CY2015Q1 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
-2735000
CY2015Q2 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
7267000
CY2015Q3 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
51054000
CY2015Q4 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
23155000
CY2015Q1 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
40432000
CY2015Q2 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
23040000
CY2015Q3 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
5090000
CY2015Q4 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
385000
CY2015Q1 us-gaap Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
403000
CY2015Q2 us-gaap Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
1984000
CY2015Q3 us-gaap Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
544714000
CY2015Q4 us-gaap Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
254246000
CY2016 us-gaap Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
-14315000
CY2016Q3 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
100540000
CY2016Q4 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
-1064000
CY2016Q3 crk Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
76391000
CY2016Q4 us-gaap Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
2561000
CY2015Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows
1763146000
CY2016Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows
2267877000
CY2015Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs
FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts
705146000
CY2016Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense
FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense
6488000
CY2015Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense
FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense
1231000
CY2015Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows
321756000
CY2016Q4 us-gaap Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows
FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows
530812000
CY2015Q4 us-gaap Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
372139000
CY2016Q4 us-gaap Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
429275000
CY2015 crk Percentage Of Discount Factor
PercentageOfDiscountFactor
0.10
CY2016 crk Percentage Of Discount Factor
PercentageOfDiscountFactor
0.10
CY2016 crk Changes In Timing
ChangesInTiming
-38071000
CY2014 us-gaap Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
163559000
CY2015 us-gaap Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
56216000
CY2016 us-gaap Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
70149000
CY2014 us-gaap Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
0
CY2015 us-gaap Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
43694000
CY2013Q4 us-gaap Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
807217000
CY2016 us-gaap Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
22449000
CY2014 us-gaap Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
458254000
CY2015 us-gaap Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
163336000
CY2016 us-gaap Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
107253000
CY2014 us-gaap Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
193167000
CY2015 us-gaap Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
53242000
CY2016 us-gaap Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
-1658000
CY2014Q4 us-gaap Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
1090660000
CY2014 us-gaap Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
5911000
CY2015 us-gaap Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
-751774000
CY2016 us-gaap Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
-45379000
CY2014 us-gaap Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
344590000
CY2015 us-gaap Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
157390000
CY2016 us-gaap Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
45648000
CY2014 us-gaap Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
-40993000
CY2015 us-gaap Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
-111454000
CY2016 us-gaap Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
113583000
CY2014 us-gaap Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount
StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
105400000
CY2015 us-gaap Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount
StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
114427000
CY2016 us-gaap Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount
StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
37251000
CY2014 us-gaap Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
-10909000
CY2015 us-gaap Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
14901000
CY2016 us-gaap Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
5315000
CY2014 crk Changes In Timing
ChangesInTiming
-19028000
CY2015 crk Changes In Timing
ChangesInTiming
-44439000

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