XML 69 R65.htm IDEA: XBRL DOCUMENT
v3.19.3

Long-Term Debt - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Apr. 30, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |  |  |  |  |
Gain (loss) on extinguishment of debt | $ 0 | $ (15,385,000) | $ (7,614,000) | $ (54,433,000) |  |
Senior Notes due March 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 500,000,000 |  | $ 500,000,000 |  |  |
Stated rate, debt instrument | 7.25% |  | 7.25% |  |  |
Senior Notes due April 2022 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 894,307,000 |  | $ 894,307,000 |  |  | $ 1,294,307,000
Stated rate, debt instrument | 5.875% | 5.875% | 5.875% | 5.875% |  |
Purchase of outstanding debt |  |  | $ 400,000,000 | $ 391,375,000 |  |
Gain (loss) on extinguishment of debt |  |  | (7,614,000) | $ (15,635,000) |  |
Senior Notes due March 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 400,000,000 |  | 400,000,000 |  |  | $ 400,000,000
Stated rate, debt instrument |  | 6.50% |  | 6.50% |  |
Senior Notes due April 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated rate, debt instrument |  | 8.00% |  | 8.00% |  |
Purchase of outstanding debt |  | $ 200,000,000 |  | $ 500,000,000 |  |
Gain (loss) on extinguishment of debt |  | (15,385,000) |  | (38,798,000) |  |
Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 160,000 |  | $ 160,000 |  | $ 2,100,000,000 |
CNXM | Senior Notes due March 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  | 400,000,000 |  | 400,000,000 |  |
Unamortized bond discount |  | $ 6,000,000 |  | $ 6,000,000 |  |

X
- Definition Debt Instrument, Purchase of Outstanding Debt + References No definition available. + Details
Name: | cnx_DebtInstrumentPurchaseofOutstandingDebt
Namespace Prefix: | cnx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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 No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cnx_SeniorNotesDueMarch2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cnx_SeniorNotesdueApril2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cnx_A6.50SeniorNotesdueMarch2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cnx_SeniorNotesdueApril2023MemberDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=cnx_CNXMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |