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Derivative Financial Instruments and Hedging Activities - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2021 MMBTU $ / MMBTU
Natural Gas Collar Contracts: |
Derivative Instruments And Hedging Activities [Line Items] |
Volume (in MMBTU) | MMBTU | 147,675,000
Ceiling, average price (in dollars per MMBTU) | $ / MMBTU | 3.92
Floor, average price (in dollars per MMBTU) | $ / MMBTU | 2.63
Natural Gas Swap Contracts: |
Derivative Instruments And Hedging Activities [Line Items] |
Volume (in MMBTU) | MMBTU | 121,300,000

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- Definition Derivative instruments and hedging activities line items. + References No definition available. + Details
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Namespace Prefix: | crk_
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- Definition The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageCapPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Definition The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Definition Nominal energy measure used to calculate payments on a derivative instrument. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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- Details
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