XML 60 R40.htm IDEA: XBRL DOCUMENT v3.22.0.1

Summary of Significant Accounting Policies - Common Stock and Convertible Stock Dilutive in Computation of Earning Per Share (Detail) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Weighted average PSUs	929	632	776
Weighted average grant date fair value per unit	$ 8.11	$ 9.33	$ 9.56
Weighted average convertible preferred stock	43,750	63,832	44,565

X

- Definition

Antidilutive Securities Excluded From Computation Of Earnings Per Unit Weighted Average Convertible Preferred Stock

+ References

No definition available.

+ Details

Name:	crk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageConvertiblePreferredStock
Namespace Prefix:	crk_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Antidilutive securities excluded from computation of earnings per unit weighted average grant date fair value price.

+ References

No definition available.

+ Details

Name:	crk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerUnitWeightedAverageGrantDateFairValuePrice
Namespace Prefix:	crk_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Antidilutive securities performance share units excluded from computation of earnings per share amount.

+ References

No definition available.

+ Details

Name:	crk_AntidilutiveSecuritiesPerformanceShareUnitsExcludedFromComputationOfEPSAmount
Namespace Prefix:	crk_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration