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Acquisitions and Dispositions of Oil and Gas Properties - Results of Operations for Properties (Detail) $ in Thousands | 7 Months Ended
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Aug. 13, 2018 USD ($)
Business Combinations [Abstract] |
Total oil and gas sales | $ 17,747
Total operating expenses | (6,134)
Operating income | $ 11,613

X
- Definition Oil and gas properties sold oil and gas sales. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Oil and gas properties sold operating expenses. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition Oil and gas properties sold operating income loss. + References No definition available. + Details
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Namespace Prefix: | crk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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