2017 Q4 Form 10-K Financial Statement
#000156459018003306 Filed on February 27, 2018
Income Statement
Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
---|---|---|---|
Revenue | $73.20M | $66.80M | $61.47M |
YoY Change | 50.93% | 32.8% | 51.03% |
Cost Of Revenue | $15.90M | $15.60M | $14.10M |
YoY Change | 14.39% | -11.86% | -22.95% |
Gross Profit | $57.30M | $51.20M | $47.40M |
YoY Change | 65.61% | 57.06% | 111.61% |
Gross Profit Margin | 78.28% | 76.65% | 77.11% |
Selling, General & Admin | $7.000M | $6.200M | $6.600M |
YoY Change | -17.65% | 47.62% | 15.79% |
% of Gross Profit | 12.22% | 12.11% | 13.92% |
Research & Development | $0.00 | $0.00 | $0.00 |
YoY Change | -100.0% | ||
% of Gross Profit | 0.0% | 0.0% | 0.0% |
Depreciation & Amortization | $30.60M | $32.81M | $30.32M |
YoY Change | 5.15% | -12.51% | -16.01% |
% of Gross Profit | 53.4% | 64.08% | 63.97% |
Operating Expenses | $37.60M | $39.00M | $51.00M |
YoY Change | -0.27% | -73.85% | 22.3% |
Operating Profit | -$24.22M | $11.19M | $10.47M |
YoY Change | 317.3% | -111.33% | -146.11% |
Interest Expense | -$37.00M | -$36.20M | -$31.50M |
YoY Change | -17.23% | 16.03% | -209.06% |
% of Operating Profit | -323.5% | -300.86% | |
Other Income/Expense, Net | $100.0K | $200.0K | -$31.40M |
YoY Change | 0.0% | 0.0% | -10565.0% |
Pretax Income | -$61.10M | -$24.81M | -$20.93M |
YoY Change | 18.64% | -15.34% | -523.58% |
Income Tax | $300.0K | -$69.00K | $500.0K |
% Of Pretax Income | |||
Net Earnings | -$42.30M | -$24.74M | -$21.44M |
YoY Change | -23.0% | -13.13% | -541.92% |
Net Earnings / Revenue | -57.78% | -37.03% | -34.88% |
Basic Earnings Per Share | |||
Diluted Earnings Per Share | -$2.858M | -$1.669M | -$1.456M |
COMMON SHARES | |||
Basic Shares Outstanding | |||
Diluted Shares Outstanding |
Balance Sheet
Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $61.30M | $25.40M | $35.30M |
YoY Change | -6.98% | -4.51% | -47.63% |
Cash & Equivalents | $61.26M | $25.40M | $35.30M |
Short-Term Investments | |||
Other Short-Term Assets | $4.100M | $5.700M | $8.000M |
YoY Change | 124.78% | 185.0% | 242.03% |
Inventory | |||
Prepaid Expenses | |||
Receivables | $237.2M | $34.40M | $32.10M |
Other Receivables | $0.00 | $0.00 | $0.00 |
Total Short-Term Assets | $302.5M | $65.50M | $75.40M |
YoY Change | 235.47% | -14.6% | -42.33% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $607.9M | $833.2M | $825.5M |
YoY Change | -23.89% | 3.16% | -9.82% |
Goodwill | |||
YoY Change | |||
Intangibles | |||
YoY Change | |||
Long-Term Investments | |||
YoY Change | |||
Other Assets | $900.0K | $900.0K | $969.0K |
YoY Change | -10.0% | -18.18% | -13.56% |
Total Long-Term Assets | $627.9M | $834.1M | $826.4M |
YoY Change | -21.49% | 3.13% | -9.82% |
TOTAL ASSETS | |||
Total Short-Term Assets | $302.5M | $65.50M | $75.40M |
Total Long-Term Assets | $627.9M | $834.1M | $826.4M |
Total Assets | $930.4M | $899.6M | $901.8M |
YoY Change | 4.55% | 1.59% | -13.88% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $126.0M | $92.30M | $72.46M |
YoY Change | 178.15% | 144.18% | 55.48% |
Accrued Expenses | $42.50M | $17.20M | $36.40M |
YoY Change | 5.2% | 2.38% | -9.5% |
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 | $168.5M | $112.2M | $110.6M |
YoY Change | 83.75% | 92.78% | 27.39% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $1.111B | $1.090B | $1.070B |
YoY Change | 6.32% | 6.26% | -6.55% |
Other Long-Term Liabilities | $10.40M | $16.10M | $16.20M |
YoY Change | -34.18% | -0.62% | 1.25% |
Total Long-Term Liabilities | $1.121B | $1.106B | $1.086B |
YoY Change | 5.72% | 6.15% | -5.13% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $168.5M | $112.2M | $110.6M |
Total Long-Term Liabilities | $1.121B | $1.106B | $1.086B |
Total Liabilities | $1.300B | $1.228B | $1.207B |
YoY Change | 11.94% | 11.09% | -3.78% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | |||
YoY Change | |||
Common Stock | $7.714M | ||
YoY Change | |||
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | |||
YoY Change | |||
Treasury Stock Shares | |||
Shareholders Equity | -$369.3M | -$328.4M | -$305.3M |
YoY Change | |||
Total Liabilities & Shareholders Equity | $930.4M | $899.6M | $901.8M |
YoY Change | 4.55% | 1.59% | -13.89% |
Cashflow Statement
Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | -$42.30M | -$24.74M | -$21.44M |
YoY Change | -23.0% | -13.13% | -541.92% |
Depreciation, Depletion And Amortization | $30.60M | $32.81M | $30.32M |
YoY Change | 5.15% | -12.51% | -16.01% |
Cash From Operating Activities | $83.80M | $35.30M | $52.30M |
YoY Change | 170.32% | -250.21% | -26250.0% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$48.00M | -$46.70M | -$47.40M |
YoY Change | 194.48% | 531.08% | 143.08% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | $0.00 | $1.500M | $0.00 |
YoY Change | -100.0% | -100.0% | |
Cash From Investing Activities | -$48.00M | -$45.20M | -$47.40M |
YoY Change | -605.26% | 502.67% | 159.02% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | |||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | 0.000 | 0.000 | 0.000 |
YoY Change | -100.0% | -100.0% | -100.0% |
NET CHANGE | |||
Cash From Operating Activities | 83.80M | 35.30M | 52.30M |
Cash From Investing Activities | -48.00M | -45.20M | -47.40M |
Cash From Financing Activities | 0.000 | 0.000 | 0.000 |
Net Change In Cash | 35.80M | -9.900M | 4.900M |
YoY Change | -8.91% | -75.74% | -122.27% |
FREE CASH FLOW | |||
Cash From Operating Activities | $83.80M | $35.30M | $52.30M |
Capital Expenditures | -$48.00M | -$46.70M | -$47.40M |
Free Cash Flow | $131.8M | $82.00M | $99.70M |
YoY Change | 178.65% | -609.32% | 416.58% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2017Q4 | us-gaap |
Assets Held For Sale Not Part Of Disposal Group Current
AssetsHeldForSaleNotPartOfDisposalGroupCurrent
|
198615000 | |
CY2017Q4 | crk |
Common Stock Warrants
CommonStockWarrants
|
3557000 | |
CY2017Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
15427561 | |
CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-129349000 | |
CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-17944000 | |
CY2017 | us-gaap |
Oil And Condensate Revenue
OilAndCondensateRevenue
|
46590000 | |
CY2017 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
255331000 | |
CY2016 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
189052000 | |
CY2017 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-111405000 | |
CY2017 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-7.61 | |
CY2014Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
870272000 | |
CY2015 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
8149000 | |
CY2015 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
526000 | |
CY2015Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
-171258000 | |
CY2016 | us-gaap |
Amortization Of Financing Costs And Discounts
AmortizationOfFinancingCostsAndDiscounts
|
17788000 | |
CY2017 | us-gaap |
Amortization Of Financing Costs And Discounts
AmortizationOfFinancingCostsAndDiscounts
|
35880000 | |
CY2016 | us-gaap |
Paid In Kind Interest
PaidInKindInterest
|
11860000 | |
CY2017 | us-gaap |
Paid In Kind Interest
PaidInKindInterest
|
38073000 | |
CY2015 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
8149000 | |
CY2016 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
4660000 | |
CY2017 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
5923000 | |
CY2015 | crk |
Income Tax Benefit Cost From Share Based Compensation Operating Activities
IncomeTaxBenefitCostFromShareBasedCompensationOperatingActivities
|
-2044000 | |
CY2016 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
3651000 | |
CY2017 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
16128000 | |
CY2016 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
4660000 | |
CY2016 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
313000 | |
CY2016 | us-gaap |
Stock Issued During Period Value Conversion Of Convertible Securities
StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
|
1639000 | |
CY2016 | crk |
Stock Issued In Exchange For Debt Value
StockIssuedInExchangeForDebtValue
|
13603000 | |
CY2016 | us-gaap |
Stock And Warrants Issued During Period Value Preferred Stock And Warrants
StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants
|
15623000 | |
CY2016 | crk |
Stock And Warrants Exercised During Period Value Preferred Stock And Warrants
StockAndWarrantsExercisedDuringPeriodValuePreferredStockAndWarrants
|
13000 | |
CY2016 | crk |
Stock Issuance Costs During Period Value Preferred Stock And Warrants
StockIssuanceCostsDuringPeriodValuePreferredStockAndWarrants
|
102000 | |
CY2017 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
5923000 | |
CY2017 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
312000 | |
CY2017 | us-gaap |
Stock Issued During Period Value Conversion Of Convertible Securities
StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
|
7789000 | |
CY2017 | crk |
Stock And Warrants Exercised During Period Value Preferred Stock And Warrants
StockAndWarrantsExercisedDuringPeriodValuePreferredStockAndWarrants
|
2000 | |
CY2016 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
7105000 | |
CY2017 | us-gaap |
Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
|
-18080000 | |
CY2015 | us-gaap |
Gain Loss On Sale Of Property
GainLossOnSaleOfProperty
|
-112085000 | |
CY2016 | us-gaap |
Gain Loss On Sale Of Property
GainLossOnSaleOfProperty
|
-14315000 | |
CY2017 | us-gaap |
Gain Loss On Sale Of Property
GainLossOnSaleOfProperty
|
-1060000 | |
CY2015 | crk |
Dry Hole Costs Exploratory Lease Impairments And Other Exploration Costs
DryHoleCostsExploratoryLeaseImpairmentsAndOtherExplorationCosts
|
70694000 | |
CY2016 | crk |
Dry Hole Costs Exploratory Lease Impairments And Other Exploration Costs
DryHoleCostsExploratoryLeaseImpairmentsAndOtherExplorationCosts
|
84144000 | |
CY2016 | crk |
Derivative Cash Paid Received On Hedge
DerivativeCashPaidReceivedOnHedge
|
-2120000 | |
CY2017 | crk |
Derivative Cash Paid Received On Hedge
DerivativeCashPaidReceivedOnHedge
|
-9405000 | |
CY2016 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
-169000 | |
CY2017 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
921000 | |
CY2016 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
-12029000 | |
CY2017 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
80013000 | |
CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
-23728000 | |
CY2017 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
174614000 | |
CY2016 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
57424000 | |
CY2017 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
180481000 | |
CY2015 | us-gaap |
Proceeds From Sale Of Other Investments
ProceedsFromSaleOfOtherInvestments
|
102485000 | |
CY2016 | us-gaap |
Proceeds From Sale Of Other Investments
ProceedsFromSaleOfOtherInvestments
|
27855000 | |
CY2017 | us-gaap |
Proceeds From Sale Of Other Investments
ProceedsFromSaleOfOtherInvestments
|
1528000 | |
CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-161725000 | |
CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-29569000 | |
CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-178953000 | |
CY2015 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
790000000 | |
CY2017 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
8000000 | |
CY2015 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
465000000 | |
CY2017 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
8000000 | |
CY2015 | crk |
Payments To Retire Debt
PaymentsToRetireDebt
|
42655000 | |
CY2016 | crk |
Payments To Retire Debt
PaymentsToRetireDebt
|
3397000 | |
CY2015 | us-gaap |
Payment Of Financing And Stock Issuance Costs
PaymentOfFinancingAndStockIssuanceCosts
|
16201000 | |
CY2016 | us-gaap |
Payment Of Financing And Stock Issuance Costs
PaymentOfFinancingAndStockIssuanceCosts
|
11108000 | |
CY2016 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
313000 | |
CY2017 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
312000 | |
CY2015 | crk |
Income Tax Benefit Cost From Share Based Compensation Financing Activities
IncomeTaxBenefitCostFromShareBasedCompensationFinancingActivities
|
-2044000 | |
CY2017 | us-gaap |
Proceeds From Warrant Exercises
ProceedsFromWarrantExercises
|
2000 | |
CY2016 | us-gaap |
Stockholders Equity Note Stock Split Conversion Ratio1
StockholdersEquityNoteStockSplitConversionRatio1
|
0.2 | |
CY2017Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
6449000 | |
CY2017 | us-gaap |
Stockholders Equity Reverse Stock Split
StockholdersEquityReverseStockSplit
|
a one for five (1:5) reverse split | |
CY2017Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
0 | |
CY2016Q4 | us-gaap |
Derivative Liabilities
DerivativeLiabilities
|
6000000 | |
CY2017Q4 | us-gaap |
Derivative Assets
DerivativeAssets
|
1300000 | |
CY2017 | 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
|
68900000 | |
CY2017 | us-gaap |
Proceeds From Sale Of Oil And Gas Property And Equipment
ProceedsFromSaleOfOilAndGasPropertyAndEquipment
|
1500000 | |
CY2017 | us-gaap |
Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
|
-1060000 | |
CY2016Q4 | crk |
Accrued Drilling Costs
AccruedDrillingCosts
|
7498000 | |
CY2017Q4 | crk |
Accrued Drilling Costs
AccruedDrillingCosts
|
5874000 | |
CY2017Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
21277000 | |
CY2016Q4 | crk |
Accrued Transportation Costs
AccruedTransportationCosts
|
2227000 | |
CY2017Q4 | crk |
Accrued Transportation Costs
AccruedTransportationCosts
|
3269000 | |
CY2017Q4 | crk |
Accrued Asset Retirement Obligation Assets Held For Sale
AccruedAssetRetirementObligationAssetsHeldForSale
|
4557000 | |
CY2017 | crk |
Asset Retirement Obligation Assets Held For Sale
AssetRetirementObligationAssetsHeldForSale
|
4557000 | |
CY2017 | crk |
Asset Retirement Obligation Assets Disposed
AssetRetirementObligationAssetsDisposed
|
320000 | |
CY2017 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
810000 | |
CY2017 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
CY2015 | crk |
General And Administrative Expense Reimbursements Of Overhead Costs
GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts
|
13900000 | |
CY2016 | crk |
General And Administrative Expense Reimbursements Of Overhead Costs
GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts
|
12400000 | |
CY2017 | crk |
General And Administrative Expense Reimbursements Of Overhead Costs
GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts
|
11700000 | |
CY2017 | crk |
Performance Units Adjustment For Performance Multiplier Range Minimum
PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMinimum
|
0.00 | |
CY2017 | crk |
Performance Units Adjustment For Performance Multiplier Range Maximum
PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMaximum
|
2.00 | |
CY2017Q4 | us-gaap |
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1
ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
|
0.01 | |
CY2017 | crk |
Participating Securities That Share In Losses
ParticipatingSecuritiesThatShareInLosses
|
0 | |
CY2016 | crk |
Participating Securities That Share In Losses
ParticipatingSecuritiesThatShareInLosses
|
0 | |
CY2015 | crk |
Participating Securities That Share In Losses
ParticipatingSecuritiesThatShareInLosses
|
0 | |
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 | |
CY2017 | crk |
Net Income Loss Available To Common Stockholders Basic And Diluted
NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted
|
-111405000 | |
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 | |
CY2017 | crk |
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Nonvested Weighted Average Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionNonvestedWeightedAverageNumber
|
612000 | |
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 | |
CY2017 | crk |
Antidilutive Securities Warrants For Common Stock Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesWarrantsForCommonStockExcludedFromComputationOfEarningsPerShareAmount
|
463000 | |
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 | |
CY2017 | crk |
Antidilutive Securities Performance Share Units Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEarningsPerShareAmount
|
274000 | |
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 | |
CY2017 | crk |
Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Grant Date Fair Value Price
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice
|
17.12 | |
CY2016 | crk |
Antidilutive Securities Contingently Convertible Shares Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesContingentlyConvertibleSharesExcludedFromComputationOfEarningsPerShareAmount
|
11574000 | |
CY2017 | crk |
Antidilutive Securities Contingently Convertible Shares Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesContingentlyConvertibleSharesExcludedFromComputationOfEarningsPerShareAmount
|
37046000 | |
CY2015 | us-gaap |
Interest Paid
InterestPaid
|
94177000 | |
CY2016 | us-gaap |
Interest Paid
InterestPaid
|
105449000 | |
CY2017 | us-gaap |
Interest Paid
InterestPaid
|
73941000 | |
CY2015 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
77000 | |
CY2017 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
3000 | |
CY2017 | us-gaap |
Interest Costs Capitalized
InterestCostsCapitalized
|
0 | |
CY2015 | us-gaap |
Interest Costs Capitalized
InterestCostsCapitalized
|
900000 | |
CY2016 | us-gaap |
Interest Costs Capitalized
InterestCostsCapitalized
|
0 | |
CY2017Q4 | crk |
Jv Acreage Cost Reimbursement Right To Acquire Working Interest Per Well
JVAcreageCostReimbursementRightToAcquireWorkingInterestPerWell
|
0.25 | |
CY2017 | crk |
Bossier Shale Jv Wells
BossierShaleJVWells
|
4 | |
CY2017 | crk |
Working Interest For Jv Acreage And Infrastructure
WorkingInterestForJVAcreageAndInfrastructure
|
0.50 | |
CY2017 | crk |
Proceeds Received To Meet Or Exceed Jv Production Targets
ProceedsReceivedToMeetOrExceedJVProductionTargets
|
400000 | |
CY2017 | crk |
Proceeds To Be Received Per Jv Drilled Well
ProceedsToBeReceivedPerJVDrilledWell
|
80000 | |
CY2015 | crk |
Oil And Gas Properties Sold Oil And Gas Sales
OilAndGasPropertiesSoldOilAndGasSales
|
157956000 | |
CY2016 | crk |
Oil And Gas Properties Sold Oil And Gas Sales
OilAndGasPropertiesSoldOilAndGasSales
|
63303000 | |
CY2017 | crk |
Oil And Gas Properties Sold Oil And Gas Sales
OilAndGasPropertiesSoldOilAndGasSales
|
48949000 | |
CY2015 | crk |
Oil And Gas Properties Sold Operating Expenses
OilAndGasPropertiesSoldOperatingExpenses
|
274651000 | |
CY2016 | crk |
Oil And Gas Properties Sold Operating Expenses
OilAndGasPropertiesSoldOperatingExpenses
|
80467000 | |
CY2017 | crk |
Oil And Gas Properties Sold Operating Expenses
OilAndGasPropertiesSoldOperatingExpenses
|
44861000 | |
CY2015 | crk |
Oil And Gas Properties Sold Operating Income Loss
OilAndGasPropertiesSoldOperatingIncomeLoss
|
-116695000 | |
CY2016 | crk |
Oil And Gas Properties Sold Operating Income Loss
OilAndGasPropertiesSoldOperatingIncomeLoss
|
-17164000 | |
CY2017 | crk |
Oil And Gas Properties Sold Operating Income Loss
OilAndGasPropertiesSoldOperatingIncomeLoss
|
4088000 | |
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 | |
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 | |
CY2016Q4 | crk |
Capitalized Costs Lease Hold Costs
CapitalizedCostsLeaseHoldCosts
|
662022000 | |
CY2017Q4 | crk |
Capitalized Costs Lease Hold Costs
CapitalizedCostsLeaseHoldCosts
|
491507000 | |
CY2016Q4 | us-gaap |
Capitalized Costs Wells And Related Equipment And Facilities
CapitalizedCostsWellsAndRelatedEquipmentAndFacilities
|
3135079000 | |
CY2017Q4 | us-gaap |
Capitalized Costs Wells And Related Equipment And Facilities
CapitalizedCostsWellsAndRelatedEquipmentAndFacilities
|
2140243000 | |
CY2016Q4 | us-gaap |
Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities
CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
|
3009236000 | |
CY2017Q4 | us-gaap |
Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities
CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
|
2032927000 | |
CY2016Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
|
787865000 | |
CY2017Q4 | us-gaap |
Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
|
598823000 | |
CY2015 | us-gaap |
Costs Incurred Acquisition Of Unproved Oil And Gas Properties
CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
|
12972000 | |
CY2017 | us-gaap |
Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
|
177432000 | |
CY2015 | us-gaap |
Costs Incurred Exploration Costs
CostsIncurredExplorationCosts
|
12265000 | |
CY2015 | us-gaap |
Costs Incurred Acquisition Of Oil And Gas Properties
CostsIncurredAcquisitionOfOilAndGasProperties
|
246502000 | |
CY2015 | us-gaap |
Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
|
221265000 | |
CY2016 | us-gaap |
Costs Incurred Development Costs
CostsIncurredDevelopmentCosts
|
58587000 | |
CY2017Q4 | crk |
Long Term Debt Maturities Repayments Of Principal And Paid In Kind Interest After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAndPaidInKindInterestAfterYearFive
|
0 | |
CY2017Q4 | crk |
Long Term Debt Principal And Paid In Kind Interest Amount
LongTermDebtPrincipalAndPaidInKindInterestAmount
|
1200712000 | |
CY2015 | us-gaap |
Write Off Of Deferred Debt Issuance Cost
WriteOffOfDeferredDebtIssuanceCost
|
3700000 | |
CY2016 | us-gaap |
Costs Incurred Acquisition Of Oil And Gas Properties
CostsIncurredAcquisitionOfOilAndGasProperties
|
58587000 | |
CY2017 | us-gaap |
Costs Incurred Acquisition Of Oil And Gas Properties
CostsIncurredAcquisitionOfOilAndGasProperties
|
177432000 | |
CY2016Q4 | us-gaap |
Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
|
16183000 | |
CY2017Q4 | us-gaap |
Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
|
10685000 | |
CY2017Q4 | crk |
Long Term Debt Maturities Repayments Of Principal And Paid In Kind Interest In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalAndPaidInKindInterestInNextTwelveMonths
|
0 | |
CY2017Q4 | crk |
Long Term Debt Maturities Repayments Of Principal And Paid In Kind Interest In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalAndPaidInKindInterestInYearTwo
|
307973000 | |
CY2017Q4 | crk |
Long Term Debt Maturities Repayments Of Principal And Paid In Kind Interest In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalAndPaidInKindInterestInYearThree
|
892739000 | |
CY2017Q4 | crk |
Long Term Debt Maturities Repayments Of Principal And Paid In Kind Interest In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalAndPaidInKindInterestInYearFour
|
0 | |
CY2017Q4 | crk |
Long Term Debt Maturities Repayments Of Principal And Paid In Kind Interest In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAndPaidInKindInterestInYearFive
|
0 | |
CY2015 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
1500000 | |
CY2016 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
1500000 | |
CY2017 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
1600000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
1560000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
1560000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
1560000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
1560000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
6240000 | |
CY2017 | crk |
Natural Gas Transportation Agreement Term
NaturalGasTransportationAgreementTerm
|
through July 2019 | |
CY2017Q4 | crk |
Maximum Commitments Under Natural Gas Transportation Agreements
MaximumCommitmentsUnderNaturalGasTransportationAgreements
|
2400000 | |
CY2017 | crk |
Contract Terms Related To Drilling Services
ContractTermsRelatedToDrillingServices
|
through June 2018 | |
CY2017Q4 | crk |
Commitments For Contracted Drilling Services
CommitmentsForContractedDrillingServices
|
7400000 | |
CY2016Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
5000000 | |
CY2017Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
5000000 | |
CY2016Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
10.00 | |
CY2017Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
10.00 | |
CY2016Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2017Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2017 | us-gaap |
Debt Conversion Original Debt Amount1
DebtConversionOriginalDebtAmount1
|
9900000 | |
CY2016 | us-gaap |
Debt Conversion Original Debt Amount1
DebtConversionOriginalDebtAmount1
|
2100000 | |
CY2016Q4 | us-gaap |
Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights
ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
|
1917342 | |
CY2017Q4 | us-gaap |
Class Of Warrant Or Right Outstanding
ClassOfWarrantOrRightOutstanding
|
415087 | |
CY2015 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
888000 | |
CY2016 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
758000 | |
CY2017 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
760590 | |
CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
CY2017 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
-19086000 | |
CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
804000 | |
CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
64000 | |
CY2017 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
136000 | |
CY2015 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-149171000 | |
CY2015 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
-6078000 | |
CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
7105000 | |
CY2017 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
1006000 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
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 | |
CY2017 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
-45272000 | |
CY2017 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
-892000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
|
539000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInEnactedTaxRate
|
-19086000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
283585000 | |
CY2015 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
-18218000 | |
CY2016 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
-18860000 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.318 | |
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 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.007 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Gross Noncurrent
DeferredTaxAssetsGrossNoncurrent
|
402315000 | |
CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
-0.001 | |
CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.546 | |
CY2016 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
|
73000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
|
1408000 | |
CY2017 | crk |
Income Tax Reconciliation Net Operating Loss Expirations
IncomeTaxReconciliationNetOperatingLossExpirations
|
1548000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
193000 | |
CY2016 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
854000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
3234000 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
|
0.148 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
-0.011 | |
CY2017 | crk |
Effective Income Tax Rate Reconciliation Net Operating Loss Expirations
EffectiveIncomeTaxRateReconciliationNetOperatingLossExpirations
|
-0.012 | |
CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.006 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.025 | |
CY2015 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.129 | |
CY2016 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
-0.056 | |
CY2017 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.139 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Property Plant And Equipment
DeferredTaxAssetsPropertyPlantAndEquipment
|
10536000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
|
4628000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
|
3489000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
339914000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
289803000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
|
20435000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
|
1349000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
|
2110000 | |
CY2016Q4 | crk |
Deferred Tax Assets Gain On Debt Exchange And Original Issue Discount
DeferredTaxAssetsGainOnDebtExchangeAndOriginalIssueDiscount
|
16169000 | |
CY2017Q4 | crk |
Deferred Tax Assets Gain On Debt Exchange And Original Issue Discount
DeferredTaxAssetsGainOnDebtExchangeAndOriginalIssueDiscount
|
4336000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
8523000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
3782000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Gross Noncurrent
DeferredTaxAssetsGrossNoncurrent
|
302759000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance Noncurrent
DeferredTaxAssetsValuationAllowanceNoncurrent
|
398120000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance Noncurrent
DeferredTaxAssetsValuationAllowanceNoncurrent
|
298539000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Net Noncurrent
DeferredTaxAssetsNetNoncurrent
|
4195000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Net Noncurrent
DeferredTaxAssetsNetNoncurrent
|
4220000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
9203000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
11878000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
|
277000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
4118000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
2331000 | |
CY2016Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
13321000 | |
CY2017Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
14486000 | |
CY2017Q4 | crk |
Additional Federal And State Valuation Allowance On Net Operating Loss Carryforwards
AdditionalFederalAndStateValuationAllowanceOnNetOperatingLossCarryforwards
|
41100000 | |
CY2017 | crk |
Federal Net Operating Losses Expired
FederalNetOperatingLossesExpired
|
1500000 | |
CY2017 | crk |
Deferred Federal Tax Remeasurement Rate
DeferredFederalTaxRemeasurementRate
|
0.21 | |
CY2017 | crk |
Deferred Federal Tax Remeasurement Value
DeferredFederalTaxRemeasurementValue
|
140400000 | |
CY2017 | crk |
Cumulative Common Stock Ownership Change Over Three Year Period That Would Limit Federal And State Net Operating Loss Carry Forwards
CumulativeCommonStockOwnershipChangeOverThreeYearPeriodThatWouldLimitFederalAndStateNetOperatingLossCarryForwards
|
0.50 | |
CY2017Q4 | us-gaap |
Cash Flow Hedges Derivative Instruments At Fair Value Net
CashFlowHedgesDerivativeInstrumentsAtFairValueNet
|
0 | |
CY2015 | us-gaap |
Derivative Gain On Derivative
DerivativeGainOnDerivative
|
2700000 | |
CY2017 | us-gaap |
Derivative Gain On Derivative
DerivativeGainOnDerivative
|
16800000 | |
CY2016 | us-gaap |
Derivative Loss On Derivative
DerivativeLossOnDerivative
|
5400000 | |
CY2017Q4 | us-gaap |
Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral
DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
|
1300000 | |
CY2017Q4 | crk |
Derivative Assets Carry Value Net
DerivativeAssetsCarryValueNet
|
1300000 | |
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 | |
CY2016Q1 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
36163000 | |
CY2016Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-56490000 | |
CY2016Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-56577000 | |
CY2016Q1 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-5.71 | |
CY2017Q1 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
53801000 | |
CY2017Q2 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
61471000 | |
CY2017Q3 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
66811000 | |
CY2017Q4 | us-gaap |
Oil And Gas Sales Revenue
OilAndGasSalesRevenue
|
73248000 | |
CY2017Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
2381000 | |
CY2017Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
10470000 | |
CY2017Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
11190000 | |
CY2017Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-24224000 | |
CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-22931000 | |
CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-21442000 | |
CY2017Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-24736000 | |
CY2017Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-42296000 | |
CY2017Q1 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-1.61 | |
CY2017Q2 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-1.45 | |
CY2017Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-1.67 | |
CY2017Q4 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-2.86 | |
CY2016Q1 | us-gaap |
Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
|
740000 | |
CY2016Q1 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
33380000 | |
CY2016Q1 | crk |
Impairment Charges Related To Unevaluated Properties
ImpairmentChargesRelatedToUnevaluatedProperties
|
7753000 | |
CY2016Q1 | us-gaap |
Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
|
22718000 | |
CY2017Q1 | us-gaap |
Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
|
-24000 | |
CY2017Q3 | us-gaap |
Gain Loss On Sale Of Oil And Gas Property
GainLossOnSaleOfOilAndGasProperty
|
-1036000 | |
CY2017Q4 | us-gaap |
Impairment Of Oil And Gas Properties
ImpairmentOfOilAndGasProperties
|
43990000 | |
CY2016 | crk |
Percentage Of Discount Factor
PercentageOfDiscountFactor
|
0.10 | |
CY2017 | crk |
Percentage Of Discount Factor
PercentageOfDiscountFactor
|
0.10 | |
CY2014Q4 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
|
1090660000 | |
CY2015Q4 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
|
372139000 | |
CY2016 | us-gaap |
Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
|
-45379000 | |
CY2017 | us-gaap |
Net Increase Decrease In Sales And Transfer Prices And Production Costs
NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
|
326662000 | |
CY2016 | us-gaap |
Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
|
45648000 | |
CY2017 | us-gaap |
Previously Estimated Development Costs Incurred
PreviouslyEstimatedDevelopmentCostsIncurred
|
119864000 | |
CY2016 | us-gaap |
Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
|
113583000 | |
CY2017 | us-gaap |
Revisions Of Previous Quantity Estimates
RevisionsOfPreviousQuantityEstimates
|
57042000 | |
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 | |
CY2017 | us-gaap |
Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount
StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
|
43130000 | |
CY2016 | us-gaap |
Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
|
5315000 | |
CY2017 | us-gaap |
Increase Decrease In Estimated Future Development Costs
IncreaseDecreaseInEstimatedFutureDevelopmentCosts
|
-62509000 | |
CY2016 | crk |
Changes In Timing
ChangesInTiming
|
-38071000 | |
CY2017 | crk |
Changes In Timing
ChangesInTiming
|
-15565000 | |
CY2016 | us-gaap |
Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
|
70149000 | |
CY2017 | us-gaap |
Extensions Discoveries Additions And Improved Recovery Less Related Costs
ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts
|
167135000 | |
CY2016 | us-gaap |
Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
|
22449000 | |
CY2017 | us-gaap |
Decrease Due To Sales Of Minerals In Place
DecreaseDueToSalesOfMineralsInPlace
|
6027000 | |
CY2016 | us-gaap |
Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
|
107253000 | |
CY2017 | us-gaap |
Sales And Transfers Of Oil And Gas Produced Net Of Production Costs
SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
|
194562000 | |
CY2016 | us-gaap |
Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
|
-1658000 | |
CY2017 | us-gaap |
Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves
IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves
|
17099000 |