XML 86 R60.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Earnings Per Share - Narrative (Details) - $ / shares | Sep. 28, 2020 | Dec. 31, 2021 | Apr. 30, 2020
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Entity shares issued per acquiree share (in shares) | 0.88 |  |
Convertible Debt | Convertible 2.25% Senior Notes Due 2026 |  |  |
Business Acquisition [Line Items] |  |  |
Initial conversion price (in usd per share) |  | $ 12.84 | $ 12.84
CNXM, CNX Midstream GP LLC, CNX Resources Holding LLC Merger Agreement |  |  |
Business Acquisition [Line Items] |  |  |
Entity shares issued per acquiree share (in shares) | 0.88 |  |

X
- Definition Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Entity Shares Issued Per Acquiree Share + References No definition available. + Details
Name: | cnx_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare
Namespace Prefix: | cnx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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 No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031898-161870 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cnx_Convertible225SeniorNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cnx_CNXMCNXMidstreamGPLLCCNXResourcesHoldingLLCMergerAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |