XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.20.2

Commitments and Contingencies - Additional Information (Detail) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2020 USD ($)
Commitments And Contingencies [Line Items] |
Natural gas transportation and treating agreements | February 2021 and extend through October 2031
Natural gas transportation contracts, for the remainder of 2020 | $ 7.3
Natural gas transportation contracts, 2021 | 15.1
Natural gas transportation contracts, 2022 | 24.8
Natural gas transportation contracts, 2023 | 24.8
Natural gas transportation contracts, 2024 | 24.9
Natural gas transportation contracts, remaining terms | $ 169.6
Contract cancellable term related to drilling services | 45 days
Commitments for contracted drilling services | $ 3.5
Maximum |
Commitments And Contingencies [Line Items] |
Contract term related to drilling services | one year

X
- Definition Commitments and contingencies. + References No definition available. + Details
Name: | crk_CommitmentsAndContingenciesLineItems
Namespace Prefix: | crk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commitments for contracted drilling services. + References No definition available. + Details
Name: | crk_CommitmentsForContractedDrillingServices
Namespace Prefix: | crk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contract terms related to drilling services. + References No definition available. + Details
Name: | crk_ContractTermsRelatedToDrillingServices
Namespace Prefix: | crk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract terms related to drilling services cancellable. + References No definition available. + Details
Name: | crk_ContractTermsRelatedToDrillingServicesCancellable
Namespace Prefix: | crk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual obligation due after fourth year. + References No definition available. + Details
Name: | crk_ContractualObligationDueAfterFourthYear
Namespace Prefix: | crk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Natural gas transportation agreement term. + References No definition available. + Details
Name: | crk_NaturalGasTransportationAgreementTerm
Namespace Prefix: | crk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of contractual obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInFourthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInSecondYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInThirdYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation to be paid in remainder of current fiscal year. + References No definition available. + Details
Name: | us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |