XML 78 R57.htm IDEA: XBRL DOCUMENT
v3.19.1

OPERATING REVENUES - Revenue Recognition (Details) - USD ($) $ in Thousands | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Sep. 09, 2016 | Dec. 31, 2018 | Dec. 31, 2017
Disaggregation of operating revenue |  |  |  |
Other | $ 802 |  | $ 1,080 | $ 2,128
Total operating revenues | 153,362 |  | 226,609 | 377,965
Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Other | 802 |  |  | 2,128
Total operating revenues | 153,362 |  |  | 377,965
Total oil, natural gas and natural gas liquids sales |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | 152,560 |  | 225,529 | 375,837
Total oil, natural gas and natural gas liquids sales | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | 152,560 |  |  | 375,837
Oil |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | 139,786 |  | 199,601 | 340,674
Oil | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | 139,786 |  |  | 340,674
Natural gas |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | 6,756 |  | 6,791 | 16,194
Natural gas | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | 6,756 |  |  | 16,194
Natural gas liquids |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | 6,018 |  | 19,137 | 18,969
Natural gas liquids | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales | $ 6,018 |  |  | 18,969
Accounts receivable |  |  |  |
Disaggregation of operating revenue |  |  |  |
Due from contracts with customers |  |  | $ 26,400 | $ 24,100
Predecessor |  |  |  |
Disaggregation of operating revenue |  |  |  |
Other |  | $ 1,339 |  |
Total operating revenues |  | 266,843 |  |
Predecessor | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Other |  | 1,339 |  |
Total operating revenues |  | 266,843 |  |
Predecessor | Total oil, natural gas and natural gas liquids sales |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | 265,504 |  |
Predecessor | Total oil, natural gas and natural gas liquids sales | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | 265,504 |  |
Predecessor | Oil |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | 248,064 |  |
Predecessor | Oil | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | 248,064 |  |
Predecessor | Natural gas |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | 9,511 |  |
Predecessor | Natural gas | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | 9,511 |  |
Predecessor | Natural gas liquids |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | 7,929 |  |
Predecessor | Natural gas liquids | Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |
Disaggregation of operating revenue |  |  |  |
Total oil, natural gas and natural gas liquids sales |  | $ 7,929 |  |

X
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerAssetNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherOperatingIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 32 -Paragraph 2A -URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis=us-gaap_CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=hk_OilNaturalGasAndNaturalGasLiquidsSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=us-gaap_OilReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=us-gaap_NaturalGasReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=us-gaap_NaturalGasLiquidsReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=hk_AccountsReceivableNetMember
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: |