XML 55 R35.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Summary of Significant Accounting Policies - Summary of Lease Cost Recognized (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operations And Summary Of Significant Accounting Policies [Line Items] |  |  |
Operating lease cost | $ 35,346 | $ 35,814 | $ 22,569
General and Administrative Expense |  |  |
Operations And Summary Of Significant Accounting Policies [Line Items] |  |  |
Operating lease cost | 1,732 | 1,665 | 1,646
Lease Operating Expense |  |  |
Operations And Summary Of Significant Accounting Policies [Line Items] |  |  |
Operating lease cost | 879 | 815 | 396
Proved Oil And Gas Properties |  |  |
Operations And Summary Of Significant Accounting Policies [Line Items] |  |  |
Operating lease cost | $ 32,735 | $ 33,334 | $ 20,527

X
- Definition Operations and summary of significant accounting policies. + References No definition available. + Details
Name: | crk_OperationsAndSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | crk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
Name: | us-gaap_OperatingLeaseCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=crk_LeaseOperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=crk_ShortTermDrillingRigCostsIncludedInProvedOilAndGasPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |