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Derivative Financial Instruments and Hedging Activities - Schedule of Derivative Contracts Volume and Prices (Detail) - Natural Gas Swap Contracts - Swap Contract for Year One	12 Months Ended
	Dec. 31, 2023 MMBTU $ / Mcf
Derivative [Line Items]
Volume (in MMBTU) | MMBTU	146,400,000
Average Price per MMBtu | $ / Mcf	3.55

X

- Definition

Derivative average price.

+ References

No definition available.

+ Details

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Namespace Prefix:	crk_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

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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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- Details

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- Details

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