XML 85 R64.htm IDEA: XBRL DOCUMENT
v3.19.1

ACQUISITIONS AND DIVESTITURES - Divestitures (Details) $ in Thousands |  |  |  |  |  | 4 Months Ended | 8 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 09, 2017 USD ($) | Sep. 19, 2017 USD ($) | Jul. 10, 2017 USD ($) subsidiary | Jan. 24, 2017 USD ($) | Jan. 01, 2017 USD ($) | Dec. 31, 2016 USD ($) | Sep. 09, 2016 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Oct. 07, 2017 | Sep. 07, 2017 USD ($) | Feb. 16, 2017 USD ($) | Sep. 30, 2016 | Jun. 09, 2016 | Dec. 21, 2015 USD ($)
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds received from sales of oil and natural gas assets |  |  |  |  |  | $ 888 |  | $ 3,816 | $ 2,003,894 |  |  |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  | (114,931) |  |  |  |  |  |
Proceeds received from sale of other operating property and equipment |  |  |  |  |  |  |  | 216,083 | 21,798 |  |  |  |  |  |
Gain (loss) from sale of other operating property and equipment |  |  |  |  |  |  |  | (7,235) | 721,573 |  |  |  |  |  |
12.0% senior secured second lien notes due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 12.00% |  |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  | (29,200) |  |  |  |  |  |
Loss on the repurchase for the make whole premium |  |  |  |  |  |  |  |  | 23,000 |  |  |  |  |  |
Loss on the write-off of the discount on notes |  |  |  |  |  |  |  |  | 6,200 |  |  |  |  |  |
6.75% senior notes due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase amount of outstanding principal |  |  | $ 425,000 |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount drawn |  |  | $ 850,000 |  |  |  |  | $ 625,005 | $ 425,005 |  | $ 850,000 | $ 850,000 |  |  |
Interest rate (as a percent) |  |  | 6.75% |  |  |  |  | 6.75% | 6.75% |  |  | 6.75% |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  | $ (28,900) |  |  |  |  |  |
Loss on the write-off of the discount on notes |  |  |  |  |  |  |  |  | 8,300 |  |  |  |  |  |
Gain on sale of oil and natural gas assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) from sale of other operating property and equipment |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |
Williston Basin Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) from sale of other operating property and equipment |  |  | 0 |  |  |  |  | $ (7,200) | 485,900 |  |  |  |  |  |
Williston Basin Assets | Other operating property and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds received from sales of oil and natural gas assets |  |  | 1,390,000 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds received from sale of other operating property and equipment |  |  | $ 10,900 |  |  |  |  |  |  |  |  |  |  |  |
Williston Basin Assets | Disposal Group Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage disposed |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds received from sales of oil and natural gas assets |  |  | $ 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |
El Halcon Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) from sale of other operating property and equipment |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |
El Halcon Assets | Other operating property and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds received from sales of oil and natural gas assets |  |  |  | 484,100 |  |  |  |  |  |  |  |  |  |  |
Proceeds received from sale of other operating property and equipment |  |  |  |  | $ 10,200 |  |  |  |  |  |  |  |  |  |
El Halcon Assets | Gain on sale of oil and natural gas assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) from sale of other operating property and equipment |  |  |  |  |  |  |  |  | $ 235,700 |  |  |  |  |  |
El Halcon Assets | Disposal Group Disposed of by Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sales of interests |  |  |  | $ 491,100 |  |  |  |  |  |  |  |  |  |  |
Companys Existing Wholly Owned Subsidiaries Other Than HK TMS | HK TMS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Non-operating owner | Williston Basin Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sales of interests |  | $ 103,400 |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Predecessor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.00% |
Proceeds received from sales of oil and natural gas assets |  |  |  |  |  |  | $ (407) |  |  |  |  |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  | 81,434 |  |  |  |  |  |  |  |
Proceeds received from sale of other operating property and equipment |  |  |  |  |  |  | $ 138 |  |  |  |  |  |  |  |
Predecessor | 12.0% senior secured second lien notes due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Divestitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount drawn |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 112,800
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.00%

X
- Definition Amount of debt instrument sold agreements to repurchase the principal. + References No definition available. + Details
Name: | hk_DebtInstrumentMaximumRepurchaseAmountUnderSeniorCreditAgreement
Namespace Prefix: | hk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of ownership interest disposed of in disposal group including discontinued operations. + References No definition available. + Details
Name: | hk_DisposalGroupIncludingDiscontinuedOperationPercentageOfOwnershipDisposed
Namespace Prefix: | hk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents loss on the repurchase for the make whole premium paid. + References No definition available. + Details
Name: | hk_LossOnRepurchaseForMakeWholePremiumPaid
Namespace Prefix: | hk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents loss on write off of discount on notes. + References No definition available. + Details
Name: | hk_LossOnWriteOffOfDiscountOnNotes
Namespace Prefix: | hk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the number of subsidiaries. + References No definition available. + Details
Name: | hk_NumberOfSubsidiaries
Namespace Prefix: | hk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow (outflow) to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. + References No definition available. + Details
Name: | hk_ProceedsPaymentsFromSaleOfOilAndGasPropertyAndEquipment
Namespace Prefix: | hk_
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + 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://www.xbrl.org/2003/role/presentationRef -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 Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnSaleOfOilAndGasProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow for the sale of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfOtherPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=hk_SeniorSecuredNotesTwoDue2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=hk_SeniorNotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GainLossOnInvestmentsMember1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=hk_WillistonBasinOperatedAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_PropertyPlantAndEquipmentOtherTypesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=hk_EagleFordFormationAssetsOfEastTexasElHalconAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=hk_CompanysExistingWhollyOwnedSubsidiariesOtherThanHktmsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OwnershipAxis=hk_HkTmsLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=hk_NonOperatingOwnerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |