$CRK
COMSTOCK RESOURCES INC Stock $crk

$crk Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000002319422000011 Filed on February 17, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$655.4M	$1.851B	$274.8M
YoY Change	138.49%	115.65%	-5.0%
Cost Of Revenue	$73.10M	$282.7M	$61.50M
YoY Change	18.85%	15.28%	-11.13%
Gross Profit	$582.3M	$1.568B	$213.3M
YoY Change	172.99%	155.8%	-3.05%
Gross Profit Margin	88.85%	84.73%	77.62%
Selling, General & Admin	$11.23M	$35.82M	$6.300M
YoY Change	78.25%	8.88%	-3.08%
% of Gross Profit	1.93%	2.28%	2.95%
Research & Development	$0.00	$0.00	$0.00
YoY Change
% of Gross Profit	0.0%	0.0%	0.0%
Depreciation & Amortization	$110.1M	$469.4M	$104.3M
YoY Change	5.54%	12.53%	-6.71%
% of Gross Profit	18.9%	29.93%	48.9%
Operating Expenses	$121.3M	$950.0M	$110.5M
YoY Change	9.78%	36.65%	-6.67%
Operating Profit	$461.0M	$900.8M	$102.8M
YoY Change	348.42%	452.51%	1.1%
Interest Expense	$147.5M	$218.5M	$15.90M
YoY Change	827.91%	-6.96%	-146.36%
% of Operating Profit	32.01%	24.26%	15.47%
Other Income/Expense, Net	-$372.0K	-$1.131B	$300.0K
YoY Change	-224.0%	403.47%	0.0%
Pretax Income	$446.0M	-$230.3M	$118.9M
YoY Change	275.08%	273.74%	75.63%
Income Tax	$85.57M	$11.40M	$37.00M
% Of Pretax Income	19.19%		31.12%
Net Earnings	$360.4M	-$241.7M	$81.90M
YoY Change	340.05%	361.16%	48.6%
Net Earnings / Revenue	54.99%	-13.06%	29.8%
Basic Earnings Per Share		-$1.12
Diluted Earnings Per Share	$1.554M	-$1.12	$353.8K
COMMON SHARES
Basic Shares Outstanding	232.9M shares	231.6M shares	232.4M shares
Diluted Shares Outstanding		231.6M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$30.66M	$30.66M	$30.30M
YoY Change	1.2%	1.2%	63.78%
Cash & Equivalents	$30.66M	$30.66M	$30.27M
Short-Term Investments
Other Short-Term Assets	$15.08M	$20.34M	$14.84M
YoY Change	1.6%	-14.56%	42.7%
Inventory
Prepaid Expenses	$2.183M
Receivables	$217.1M	$267.7M	$125.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$318.7M	$318.7M	$199.8M
YoY Change	59.52%	59.53%	-31.03%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.007B	$4.014B	$4.085B
YoY Change	-1.9%	-1.81%	1.89%
Goodwill	$335.9M		$335.9M
YoY Change	0.0%		0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$0.00	$0.00	$40.00K
YoY Change	-100.0%	-100.0%	-82.68%
Total Long-Term Assets	$4.349B	$4.349B	$4.424B
YoY Change	-1.69%	-1.69%	1.3%
TOTAL ASSETS
Total Short-Term Assets	$318.7M	$318.7M	$199.8M
Total Long-Term Assets	$4.349B	$4.349B	$4.424B
Total Assets	$4.668B	$4.668B	$4.624B
YoY Change	0.96%	0.96%	-0.71%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$314.6M	$314.6M	$259.3M
YoY Change	21.32%	21.31%	2.49%
Accrued Expenses	$135.0M	$137.5M	$133.0M
YoY Change	1.51%	1.6%	-3.02%
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	$634.0M	$634.0M	$441.6M
YoY Change	43.57%	43.57%	12.54%
LONG-TERM LIABILITIES
Long-Term Debt	$2.615B	$2.615B	$2.517B
YoY Change	3.9%	3.9%	0.68%
Other Long-Term Liabilities	$24.00K	$33.81M	$492.0K
YoY Change	-95.12%	47.66%	-92.25%
Total Long-Term Liabilities	$2.615B	$2.649B	$2.518B
YoY Change	3.88%	4.29%	0.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$634.0M	$634.0M	$441.6M
Total Long-Term Liabilities	$2.615B	$2.649B	$2.518B
Total Liabilities	$3.480B	$3.480B	$3.182B
YoY Change	9.37%	9.37%	1.52%
SHAREHOLDERS EQUITY
Retained Earnings	-$204.0M		$55.18M
YoY Change	-469.76%		-60.18%
Common Stock	$116.5M		$116.2M
YoY Change	0.22%		22.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.013B	$1.188B	$1.267B
YoY Change
Total Liabilities & Shareholders Equity	$4.668B	$4.668B	$4.624B
YoY Change	0.96%	0.96%	-0.71%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$360.4M	-$241.7M	$81.90M
YoY Change	340.05%	361.16%	48.6%
Depreciation, Depletion And Amortization	$110.1M	$469.4M	$104.3M
YoY Change	5.54%	12.53%	-6.71%
Cash From Operating Activities	$240.5M	$859.0M	$185.7M
YoY Change	29.48%	49.21%	10.27%
INVESTING ACTIVITIES
Capital Expenditures	-$181.2M	$689.2M	-$177.1M
YoY Change	2.29%	35.22%	-0.56%
Acquisitions
YoY Change
Other Investing Activities	$138.1M	$138.4M	-$1.800M
YoY Change	-7774.06%	-9326.27%	-1900.0%
Cash From Investing Activities	-$43.03M	-$550.8M	-$178.9M
YoY Change	-75.95%	7.75%	0.56%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$0.00
YoY Change		-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-194.6M	-$307.8M	-4.900M
YoY Change	3871.51%	483.36%	-80.56%
NET CHANGE
Cash From Operating Activities	240.5M	$859.0M	185.7M
Cash From Investing Activities	-43.03M	-$550.8M	-178.9M
Cash From Financing Activities	-194.6M	-$307.8M	-4.900M
Net Change In Cash	2.822M	$391.0K	1.900M
YoY Change	48.53%	-96.67%	-105.48%
FREE CASH FLOW
Cash From Operating Activities	$240.5M	$859.0M	$185.7M
Capital Expenditures	-$181.2M	$689.2M	-$177.1M
Free Cash Flow	$421.6M	$169.8M	$362.8M
YoY Change	16.21%	157.22%	4.7%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000023194
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-03262
CY2021	dei	Entity Registrant Name EntityRegistrantName	COMSTOCK RESOURCES, INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NV
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	94-1667468
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	5300 Town and Country Blvd.
CY2021	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 500
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Frisco
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75034
CY2021	dei	City Area Code CityAreaCode	972
CY2021	dei	Local Phone Number LocalPhoneNumber	668-8800
CY2021	dei	Security12b Title Security12bTitle	Common Stock, par value $0.50 (per share)
CY2021	dei	Trading Symbol TradingSymbol	CRK
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	612600000	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	232922620	shares
CY2021	dei	Auditor Firm AuditorFirmId	42
CY2021	dei	Auditor Name AuditorName	ERNST & YOUNG LLP
CY2021	dei	Auditor Location AuditorLocation	Dallas, Texas
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	30663000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	30272000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	217149000	USD
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CY2020Q4	us-gaap	Accounts Receivable Related Parties Current AccountsReceivableRelatedPartiesCurrent	6155000	USD
CY2021Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	5258000	USD
CY2020Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	8913000	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	15077000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	14839000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	318736000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	199810000	USD
CY2021Q4	us-gaap	Proved Oil And Gas Property Successful Effort Method ProvedOilAndGasPropertySuccessfulEffortMethod	4756394000	USD
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CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2019	us-gaap	Net Income Loss NetIncomeLoss	96889000	USD
CY2021	crk	Preferred Stock Dividends And Accretion PreferredStockDividendsAndAccretion	17500000	USD
CY2020	crk	Preferred Stock Dividends And Accretion PreferredStockDividendsAndAccretion	30996000	USD
CY2019	crk	Preferred Stock Dividends And Accretion PreferredStockDividendsAndAccretion	22415000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-259225000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-83413000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	74474000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.12
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.12
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.39
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.39
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	231633000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	215194000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	142750000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	231633000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	215194000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	187378000	shares
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	569571000	USD
CY2019	crk	Stock Issued Value Contribution Transaction StockIssuedValueContributionTransaction	-1969000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4020000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	220000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	498633000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	1487000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	96889000	USD
CY2019	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	4583000	USD
CY2019	crk	Temporary Equity Dividends On Temporary Equity Value TemporaryEquityDividendsOnTemporaryEquityValue	17832000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	1143022000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6464000	USD
CY2020	crk	Derivative Cash Paid Received On Hedge DerivativeCashPaidReceivedOnHedge	-134496000	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	692000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	211638000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	10246000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-52417000	USD
CY2020	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	5417000	USD
CY2020	crk	Temporary Equity Dividends On Temporary Equity Value TemporaryEquityDividendsOnTemporaryEquityValue	25579000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1266773000	USD
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6799000	USD
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1412000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	156000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-241725000	USD
CY2021	crk	Temporary Equity Dividends On Temporary Equity Value TemporaryEquityDividendsOnTemporaryEquityValue	17500000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1012779000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	-241725000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-52417000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	96889000	USD
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-3565000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-9409000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	28026000	USD
CY2021	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	0	USD
CY2020	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	27000	USD
CY2019	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	0	USD
CY2021	us-gaap	Gain Loss On Sale Of Property GainLossOnSaleOfProperty	-162077000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property GainLossOnSaleOfProperty	17000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property GainLossOnSaleOfProperty	-25000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	469388000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	417112000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	276526000	USD
CY2021	us-gaap	Gain Loss On Sale Of Commodity Contracts GainLossOnSaleOfCommodityContracts	-560648000	USD
CY2020	us-gaap	Gain Loss On Sale Of Commodity Contracts GainLossOnSaleOfCommodityContracts	9951000	USD
CY2019	us-gaap	Gain Loss On Sale Of Commodity Contracts GainLossOnSaleOfCommodityContracts	51735000	USD
CY2021	crk	Derivative Cash Paid Received On Hedge DerivativeCashPaidReceivedOnHedge	419714000	USD
CY2019	crk	Derivative Cash Paid Received On Hedge DerivativeCashPaidReceivedOnHedge	-52684000	USD
CY2019	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	16274000	USD
CY2020	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-7019000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	6799000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-9823000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	74780000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	6464000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	4020000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-352599000	USD
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	21703000	USD
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	34038000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-861000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	121952000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-34555000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3220000	USD
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	2033000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	12923000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1170839000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	859005000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	15485000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	575701000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	451237000	USD
CY2021	crk	Payments To Acquire Business Net For Cash Acquired From Acquisition PaymentsToAcquireBusinessNetForCashAcquiredFromAcquisition	0	USD
CY2020	crk	Payments To Acquire Business Net For Cash Acquired From Acquisition PaymentsToAcquireBusinessNetForCashAcquiredFromAcquisition	0	USD
CY2019	crk	Payments To Acquire Business Net For Cash Acquired From Acquisition PaymentsToAcquireBusinessNetForCashAcquiredFromAcquisition	693869000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	689210000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	509690000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	486781000	USD
CY2021	crk	Advance Payments For Receipts From Drilling Costs AdvancePaymentsForReceiptsFromDrillingCosts	0	USD
CY2020	crk	Advance Payments For Receipts From Drilling Costs AdvancePaymentsForReceiptsFromDrillingCosts	1795000	USD
CY2019	crk	Advance Payments For Receipts From Drilling Costs AdvancePaymentsForReceiptsFromDrillingCosts	-9336000	USD
CY2021	crk	Proceeds From Payments For Sale Of Oil And Gas Properties ProceedsFromPaymentsForSaleOfOilAndGasProperties	138394000	USD
CY2020	crk	Proceeds From Payments For Sale Of Oil And Gas Properties ProceedsFromPaymentsForSaleOfOilAndGasProperties	287000	USD
CY2019	crk	Proceeds From Payments For Sale Of Oil And Gas Properties ProceedsFromPaymentsForSaleOfOilAndGasProperties	475000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-550816000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-511198000	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	555000000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	157000000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	927000000	USD
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	820000000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	907000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	127000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2222500000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	751500000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2021	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	2210626000	USD
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
CY2019	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
CY2021	crk	Repayments Of Lines Of Credit From Acquisition RepaymentsOfLinesOfCreditFromAcquisition	0	USD
CY2020	crk	Repayments Of Lines Of Credit From Acquisition RepaymentsOfLinesOfCreditFromAcquisition	0	USD
CY2019	crk	Repayments Of Lines Of Credit From Acquisition RepaymentsOfLinesOfCreditFromAcquisition	533390000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	206626000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	300000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	175000000	USD
CY2021	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2020	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	210000000	USD
CY2019	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	17500000	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	25580000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	17832000	USD
CY2021	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	35760000	USD
CY2020	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	24617000	USD
CY2019	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	8617000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1412000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	692000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	220000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-307798000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-52763000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	714941000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	391000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	11740000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-4661000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	30272000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	18532000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	23193000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	30663000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	30272000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	18532000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates in the Preparation of Financial Statements</span></div><div style="margin-top:9pt;text-align:justify;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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.</span></div>
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	15077000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	14839000	USD
CY2021	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-126561000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	2000000	USD
CY2020Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-22588000	USD
CY2019Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	4351000	USD
CY2021	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	-162421000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	15943000	USD
CY2021	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	-58448000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	31252000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	11630000	USD
CY2021Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	0	USD
CY2020Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-22588000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	335900000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	335900000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	6500000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2589000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2256000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1921000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	35346000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	35814000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	22569000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	2600000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	2500000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y8M12D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P1Y6M
CY2021Q4	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.027
CY2020Q4	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.043
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	6769000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	250000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	6519000	USD
CY2021	crk	Noncash Or Part Noncash Increase Decrease In Accrued Capital Expenditure NoncashOrPartNoncashIncreaseDecreaseInAccruedCapitalExpenditure	-4964000	USD
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	60305000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	67265000	USD
CY2021Q4	crk	Accrued Transportation Costs AccruedTransportationCosts	22859000	USD
CY2020Q4	crk	Accrued Transportation Costs AccruedTransportationCosts	25353000	USD
CY2021Q4	crk	Accrued Drilling Costs AccruedDrillingCosts	19995000	USD
CY2020Q4	crk	Accrued Drilling Costs AccruedDrillingCosts	24959000	USD
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	15655000	USD
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	0	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	12320000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7519000	USD
CY2021Q4	crk	Accrued Lease Operating Expenses AccruedLeaseOperatingExpenses	2036000	USD
CY2020Q4	crk	Accrued Lease Operating Expenses AccruedLeaseOperatingExpenses	3466000	USD
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1856000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	3995000	USD
CY2021Q4	crk	Accrued Transaction Costs AccruedTransactionCosts	0	USD
CY2020Q4	crk	Accrued Transaction Costs AccruedTransactionCosts	462000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	135026000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	133019000	USD
CY2020Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	19290000	USD
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	18151000	USD
CY2021	crk	Asset Retirement Obligation Liabilities For Wells Acquired AssetRetirementObligationLiabilitiesForWellsAcquired	637000	USD
CY2020	crk	Asset Retirement Obligation Liabilities For Wells Acquired AssetRetirementObligationLiabilitiesForWellsAcquired	0	USD
CY2021	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	1994000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	733000	USD
CY2021	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	3008000	USD
CY2020	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-699000	USD
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	31000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	80000	USD
CY2021	crk	Asset Retirement Obligation Assets Disposed AssetRetirementObligationAssetsDisposed	466000	USD
CY2020	crk	Asset Retirement Obligation Assets Disposed AssetRetirementObligationAssetsDisposed	0	USD
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	1241000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	1185000	USD
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	25673000	USD
CY2020Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	19290000	USD
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	125000000	USD
CY2021	crk	Performance Units Adjustment For Performance Multiplier Range Minimum PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMinimum	0
CY2021	crk	Number Of Major Customer Of Oil And Gas Sales NumberOfMajorCustomerOfOilAndGasSales	3	customer
CY2020	crk	Number Of Major Customer Of Oil And Gas Sales NumberOfMajorCustomerOfOilAndGasSales	4	customer
CY2019	crk	Number Of Major Customer Of Oil And Gas Sales NumberOfMajorCustomerOfOilAndGasSales	3	customer
CY2021	crk	Number Of Primary Products NumberOfPrimaryProducts	2	product
CY2021	crk	Contract Cash Settlement Max Days ContractCashSettlementMaxDays	P25D
CY2021	crk	Contract Cancellable Notice Term ContractCancellableNoticeTerm	P30D
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	217100000	USD
CY2021	crk	General And Administrative Expense Reimbursements Of Overhead Costs GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts	25300000	USD
CY2020	crk	General And Administrative Expense Reimbursements Of Overhead Costs GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts	24700000	USD
CY2019	crk	General And Administrative Expense Reimbursements Of Overhead Costs GeneralAndAdministrativeExpenseReimbursementsOfOverheadCosts	16800000	USD
CY2019	crk	Antidilutive Securities Performance Share Units Excluded From Computation Of Eps Amount AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEPSAmount	776000	shares
CY2021	crk	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Nonvested Weighted Average Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionNonvestedWeightedAverageNumber	1057000	shares
CY2020	crk	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Nonvested Weighted Average Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionNonvestedWeightedAverageNumber	1149000	shares
CY2019	crk	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Nonvested Weighted Average Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionNonvestedWeightedAverageNumber	685000	shares
CY2021	crk	Performance Units Adjustment For Performance Multiplier Range Maximum PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMaximum	2
CY2021	crk	Antidilutive Securities Performance Share Units Excluded From Computation Of Eps Amount AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEPSAmount	929000	shares
CY2020	crk	Antidilutive Securities Performance Share Units Excluded From Computation Of Eps Amount AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEPSAmount	632000	shares
CY2021	crk	Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Grant Date Fair Value Price AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice	8.11
CY2020	crk	Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Grant Date Fair Value Price AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice	9.33
CY2019	crk	Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Grant Date Fair Value Price AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice	9.56
CY2021	crk	Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Convertible Preferred Stock AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageConvertiblePreferredStock	43750000	shares
CY2020	crk	Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Convertible Preferred Stock AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageConvertiblePreferredStock	63832000	shares
CY2019	crk	Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Convertible Preferred Stock AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageConvertiblePreferredStock	44565000	shares
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-259225000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-83413000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	74474000	USD
CY2021	crk	Net Income Loss Allocated To Unvested Restricted Shares NetIncomeLossAllocatedToUnvestedRestrictedShares	0	USD
CY2020	crk	Net Income Loss Allocated To Unvested Restricted Shares NetIncomeLossAllocatedToUnvestedRestrictedShares	0	USD
CY2019	crk	Net Income Loss Allocated To Unvested Restricted Shares NetIncomeLossAllocatedToUnvestedRestrictedShares	-356000	USD
CY2021	crk	Net Income Loss Available To Common Stockholders After Unvested Restricted Shares NetIncomeLossAvailableToCommonStockholdersAfterUnvestedRestrictedShares	-259225000	USD
CY2020	crk	Net Income Loss Available To Common Stockholders After Unvested Restricted Shares NetIncomeLossAvailableToCommonStockholdersAfterUnvestedRestrictedShares	-83413000	USD
CY2019	crk	Net Income Loss Available To Common Stockholders After Unvested Restricted Shares NetIncomeLossAvailableToCommonStockholdersAfterUnvestedRestrictedShares	74118000	USD
CY2021	crk	Income Loss Allocable To Convertible Preferred Stock IncomeLossAllocableToConvertiblePreferredStock	0	USD
CY2020	crk	Income Loss Allocable To Convertible Preferred Stock IncomeLossAllocableToConvertiblePreferredStock	0	USD
CY2019	crk	Income Loss Allocable To Convertible Preferred Stock IncomeLossAllocableToConvertiblePreferredStock	22415000	USD
CY2021Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	1056317000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-259225000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-83413000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	96533000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	231633000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	215194000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	142750000	shares
CY2021	crk	Incremental Common Shares Attributable To Performance Stock Units IncrementalCommonSharesAttributableToPerformanceStockUnits	0	shares
CY2020	crk	Incremental Common Shares Attributable To Performance Stock Units IncrementalCommonSharesAttributableToPerformanceStockUnits	0	shares
CY2019	crk	Incremental Common Shares Attributable To Performance Stock Units IncrementalCommonSharesAttributableToPerformanceStockUnits	63000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	44565000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	231633000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	215194000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	187378000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.12
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.39
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.12
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.39
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2021	us-gaap	Interest Paid InterestPaid	203742000	USD
CY2020	us-gaap	Interest Paid InterestPaid	228555000	USD
CY2019	us-gaap	Interest Paid InterestPaid	149039000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-149000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	10218000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-2000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5847000	USD
CY2021	crk	Noncash Or Part Noncash Acquisition Working Capital NoncashOrPartNoncashAcquisitionWorkingCapital	0	USD
CY2020Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	901003000	USD
CY2020	crk	Noncash Or Part Noncash Increase Decrease In Accrued Capital Expenditure NoncashOrPartNoncashIncreaseDecreaseInAccruedCapitalExpenditure	-17234000	USD
CY2019	crk	Noncash Or Part Noncash Increase Decrease In Accrued Capital Expenditure NoncashOrPartNoncashIncreaseDecreaseInAccruedCapitalExpenditure	24273000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5847000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1761000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1761000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5372000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5372000	USD
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	446625000	USD
CY2020	crk	Noncash Or Part Noncash Acquisition Working Capital NoncashOrPartNoncashAcquisitionWorkingCapital	520000	USD
CY2019	crk	Noncash Or Part Noncash Acquisition Working Capital NoncashOrPartNoncashAcquisitionWorkingCapital	41365000	USD
CY2021	crk	Retirement Of Debt In Exchange For Common Stock RetirementOfDebtInExchangeForCommonStock	0	USD
CY2020	crk	Retirement Of Debt In Exchange For Common Stock RetirementOfDebtInExchangeForCommonStock	4151000	USD
CY2019	crk	Retirement Of Debt In Exchange For Common Stock RetirementOfDebtInExchangeForCommonStock	0	USD
CY2021	crk	Issuance Of Common Stock In Exchange For Debt IssuanceOfCommonStockInExchangeForDebt	0	USD
CY2020	crk	Issuance Of Common Stock In Exchange For Debt IssuanceOfCommonStockInExchangeForDebt	5012000	USD
CY2019	crk	Issuance Of Common Stock In Exchange For Debt IssuanceOfCommonStockInExchangeForDebt	0	USD
CY2019Q3	crk	Management Oil Price Outlook ManagementOilPriceOutlook	74.80
CY2019Q3	crk	Management Gas Price Outlook ManagementGasPriceOutlook	3.32
CY2019Q3	crk	Minimum Discount Factor To Future Net Cash Flows Percentage MinimumDiscountFactorToFutureNetCashFlowsPercentage	0.10
CY2019Q3	crk	Maximum Discount Factor To Future Net Cash Flows Percentage MaximumDiscountFactorToFutureNetCashFlowsPercentage	0.25
CY2021Q4	crk	Capitalized Costs Lease Hold Costs CapitalizedCostsLeaseHoldCosts	3053783000	USD
CY2020Q4	crk	Capitalized Costs Lease Hold Costs CapitalizedCostsLeaseHoldCosts	3010760000	USD
CY2021Q4	us-gaap	Capitalized Costs Wells And Related Equipment And Facilities CapitalizedCostsWellsAndRelatedEquipmentAndFacilities	1702611000	USD
CY2020Q4	us-gaap	Capitalized Costs Wells And Related Equipment And Facilities CapitalizedCostsWellsAndRelatedEquipmentAndFacilities	1636428000	USD
CY2021Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	3700077000	USD
CY2020Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	3746185000	USD
CY2021Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	302129000	USD
CY2020Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	332765000	USD
CY2021Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	4002206000	USD
CY2020Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	4078950000	USD
CY2021	crk	Costs Incurred Proved Property Acquisitions CostsIncurredProvedPropertyAcquisitions	21781000	USD
CY2020	crk	Costs Incurred Proved Property Acquisitions CostsIncurredProvedPropertyAcquisitions	0	USD
CY2019	crk	Costs Incurred Proved Property Acquisitions CostsIncurredProvedPropertyAcquisitions	1854541000	USD
CY2021	crk	Costs Incurred Unproved Property Acquisitions CostsIncurredUnprovedPropertyAcquisitions	35871000	USD
CY2020	crk	Costs Incurred Unproved Property Acquisitions CostsIncurredUnprovedPropertyAcquisitions	7949000	USD
CY2019	crk	Costs Incurred Unproved Property Acquisitions CostsIncurredUnprovedPropertyAcquisitions	237210000	USD
CY2021	crk	Costs Incurred Development Leasehold Costs CostsIncurredDevelopmentLeaseholdCosts	12953000	USD
CY2020	crk	Costs Incurred Development Leasehold Costs CostsIncurredDevelopmentLeaseholdCosts	13022000	USD
CY2019	crk	Costs Incurred Development Leasehold Costs CostsIncurredDevelopmentLeaseholdCosts	7603000	USD
CY2021	crk	Costs Incurred Exploratory Drilling And Completion Costs CostsIncurredExploratoryDrillingAndCompletionCosts	6966000	USD
CY2020	crk	Costs Incurred Exploratory Drilling And Completion Costs CostsIncurredExploratoryDrillingAndCompletionCosts	0	USD
CY2019	crk	Costs Incurred Exploratory Drilling And Completion Costs CostsIncurredExploratoryDrillingAndCompletionCosts	0	USD
CY2021	crk	Costs Incurred Development Drilling Costs CostsIncurredDevelopmentDrillingCosts	569141000	USD
CY2020	crk	Costs Incurred Development Drilling Costs CostsIncurredDevelopmentDrillingCosts	436074000	USD
CY2019	crk	Costs Incurred Development Drilling Costs CostsIncurredDevelopmentDrillingCosts	493625000	USD
CY2021	crk	Costs Incurred Other Development Costs CostsIncurredOtherDevelopmentCosts	39168000	USD
CY2020	crk	Costs Incurred Other Development Costs CostsIncurredOtherDevelopmentCosts	34572000	USD
CY2019	crk	Costs Incurred Other Development Costs CostsIncurredOtherDevelopmentCosts	2490000	USD
CY2021	crk	Costs Incurred Change To Asset Retirement Obligations CostsIncurredChangeToAssetRetirementObligations	5608000	USD
CY2020	crk	Costs Incurred Change To Asset Retirement Obligations CostsIncurredChangeToAssetRetirementObligations	-47000	USD
CY2019	crk	Costs Incurred Change To Asset Retirement Obligations CostsIncurredChangeToAssetRetirementObligations	12549000	USD
CY2021	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	691488000	USD
CY2020	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	491570000	USD
CY2019	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	2608018000	USD
CY2021	crk	Performance Units Adjustment For Performance Multiplier Range Maximum PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMaximum	2
CY2021	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1300000	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	0	USD
CY2021	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	6966000	USD
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	6966000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2615235000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2517149000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	235000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	244400000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	2215000000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2694400000	USD
CY2021Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1260000000	USD
CY2021Q1	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	97900000	USD
CY2021Q1	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	12500000	USD
CY2021Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1100000	USD
CY2021	crk	Performance Units Adjustment For Performance Multiplier Range Minimum PerformanceUnitsAdjustmentForPerformanceMultiplierRangeMinimum	0
CY2021Q2	crk	Commitments For Contracted Completion Services Year One CommitmentsForContractedCompletionServicesYearOne	19200000	USD
CY2021Q2	crk	Commitments For Contracted Completion Services Year Two CommitmentsForContractedCompletionServicesYearTwo	19200000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	27550000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	41200000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	41500000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	41600000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	29800000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	25000000	USD
CY2021Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	24800000	USD
CY2021Q4	crk	Commitments For Contracted Drilling Services CommitmentsForContractedDrillingServices	12300000	USD
CY2021Q2	crk	Commitments For Contracted Completion Services Year Three CommitmentsForContractedCompletionServicesYearThree	19200000	USD
CY2021	crk	Temporary Equity Stock Conversion Price TemporaryEquityStockConversionPrice	4.00
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	13156000	USD
CY2019Q3	crk	Common Stock And Preferred Stock Shares Authorized CommonStockAndPreferredStockSharesAuthorized	405000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.50
CY2019Q3	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	5000000	shares
CY2019Q3	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	10.00
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	4439784	shares
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2021	crk	Final Number Of Potential Performance Shares Issuable Minimum FinalNumberOfPotentialPerformanceSharesIssuableMinimum	0	shares
CY2021	crk	Final Number Of Potential Performance Shares Issuable Maximum FinalNumberOfPotentialPerformanceSharesIssuableMaximum	2099820000	shares
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	14968000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-154000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2981000	USD
CY2020	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1300000	USD
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1000000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-223000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-16721000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-12037000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	476000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11403000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-9210000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	27803000	USD
CY2021Q4	crk	Deferred Tax Assets Interest Expense Limitation DeferredTaxAssetsInterestExpenseLimitation	103771000	USD
CY2020Q4	crk	Deferred Tax Assets Interest Expense Limitation DeferredTaxAssetsInterestExpenseLimitation	55026000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	53112000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	59335000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	37953000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	10452000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	4312000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	4061000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	7771000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	5661000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	206919000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	134535000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	46474000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	7186000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	15964000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	160445000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	118571000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	340722000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	283959000	USD
CY2021Q4	crk	Deferred Tax Liabilities Amortization Of Bond Discount DeferredTaxLiabilitiesAmortizationOfBondDiscount	9954000	USD
CY2020Q4	crk	Deferred Tax Liabilities Amortization Of Bond Discount DeferredTaxLiabilitiesAmortizationOfBondDiscount	30591000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4604000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	357862000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	319154000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	197417000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	200583000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-48368000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-12941000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	26185000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	30504000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-919000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-494000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	28117000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3746000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-499000	USD
CY2021	crk	Income Tax Reconciliation Nondeductible Expense Transaction Costs IncomeTaxReconciliationNondeductibleExpenseTransactionCosts	0	USD
CY2020	crk	Income Tax Reconciliation Nondeductible Expense Transaction Costs IncomeTaxReconciliationNondeductibleExpenseTransactionCosts	0	USD
CY2019	crk	Income Tax Reconciliation Nondeductible Expense Transaction Costs IncomeTaxReconciliationNondeductibleExpenseTransactionCosts	1417000	USD
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1825000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1109000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	886000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-675000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-205000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	308000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11403000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-9210000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	27803000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.133
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.015
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.004
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CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.061
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.004
CY2021	crk	Effective Income Tax Rate Reconciliation Nondeductible Expense Transaction Costs EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCosts	0
CY2020	crk	Effective Income Tax Rate Reconciliation Nondeductible Expense Transaction Costs EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCosts	0
CY2019	crk	Effective Income Tax Rate Reconciliation Nondeductible Expense Transaction Costs EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCosts	0.011
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.008
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.018
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.007
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	2913211000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	1935725000	USD
CY2021	crk	Net Operating Loss Limitation NetOperatingLossLimitation	3300000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	13078155000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	3954726000	USD
CY2021	crk	Period Of Increase In Net Operating Loss Limitation PeriodOfIncreaseInNetOperatingLossLimitation	P5Y
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	3173350000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.050
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.149
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.223
CY2021Q4	crk	Operating Loss Carryforwards Under Section382 OperatingLossCarryforwardsUnderSection382	117000000	USD
CY2021	crk	Net Operating Loss Expiration Period NetOperatingLossExpirationPeriod	P20Y
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	9871616000	USD
CY2021	crk	Related Party Transaction Fee Revenue RelatedPartyTransactionFeeRevenue	0.02
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	11623736000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	20396381000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	3562042000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	2752603000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	2592520000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	3171351000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	2065316000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	154872000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	676759000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	3950874000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	5668003000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	5848131000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	2015149000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	2754792000	USD
CY2021Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	5775605000	USD
CY2020	srt	Previously Estimated Development Costs Incurred PreviouslyEstimatedDevelopmentCostsIncurred	302135000	USD
CY2019	srt	Previously Estimated Development Costs Incurred PreviouslyEstimatedDevelopmentCostsIncurred	311331000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	1935725000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	2913211000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	1473840000	USD
CY2021	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	5012696000	USD
CY2020	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-1858026000	USD
CY2019	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-716930000	USD
CY2021	srt	Previously Estimated Development Costs Incurred PreviouslyEstimatedDevelopmentCostsIncurred	502674000	USD
CY2021	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	119200000	USD
CY2020	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	215268000	USD
CY2019	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	16340000	USD
CY2021	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	199124000	USD
CY2020	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	326074000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	175514000	USD
CY2021	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	1505000	USD
CY2021	crk	Changes In Timing ChangesInTiming	-224617000	USD
CY2020	crk	Changes In Timing ChangesInTiming	-127663000	USD
CY2019	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	1813491000	USD
CY2020	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	313191000	USD
CY2019	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	-93476000	USD
CY2019	crk	Changes In Timing ChangesInTiming	180314000	USD
CY2021	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	679418000	USD
CY2020	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	180624000	USD
CY2019	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	442099000	USD
CY2021	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	150065000	USD
CY2020	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	0	USD
CY2021	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	64032000	USD
CY2020	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	0	USD
CY2019	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	51070000	USD
CY2021	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	1567182000	USD
CY2020	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	612194000	USD
CY2019	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	580922000	USD
CY2021	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-968971000	USD
CY2020	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	283105000	USD
CY2019	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-57320000	USD
CY2021Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	5775605000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	1935725000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	2913211000	USD

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2021 Q4 Form 10-K Financial Statement

#000002319422000011 Filed on February 17, 2022

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$CRK COMSTOCK RESOURCES INC Stock $crk

2021 Q4 Form 10-K Financial Statement

#000002319422000011 Filed on February 17, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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COMSTOCK RESOURCES INC Stock $crk