XML 52 R41.htm IDEA: XBRL DOCUMENT v3.19.1

OIL AND NATURAL GAS PROPERTIES (Details) $ in Thousands			3 Months Ended		12 Months Ended
	Mar. 31, 2018 $ / MMBTU $ / bbl	Sep. 07, 2017 USD ($) subsidiary	Mar. 31, 2019 USD ($) $ / MMBTU $ / bbl	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Ceiling Limitation Disclosures
First day average of the (WTI) crude oil spot price (in dollars per barrel) | $ / bbl	53.49		63.06
First day average of the Henry Hub natural gas price (in dollars per Mmbtu) | $ / MMBTU	3.00		3.07
Book value of oil and natural gas properties exceeding ceiling limit			$ 275,200
Book value of oil and natural gas properties exceeding ceiling limit after tax			217,400
Unevaluated property cost of Hackberry draw area transferred to full cost pool			$ 51,000
Percentage of ownership interest sold		100.00%
No of subsidiaries whose ownership interest sold | subsidiary		2
Adjusted sale price		$ 1,390,000
Gain (loss) from sale of other operating property and equipment				$ (3,679)	$ 485,900

X

- Definition

The amount of increase in the book value of oil and natural gas properties exceeding the ceiling limit.

+ References

No definition available.

+ Details

Name:	hk_BookValueOfOilAndNaturalGasPropertiesExceedingCeilingLimit
Namespace Prefix:	hk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of increase in the book value of oil and natural gas properties exceeding the ceiling limit after tax.

+ References

No definition available.

+ Details

Name:	hk_BookValueOfOilAndNaturalGasPropertiesExceedingCeilingLimitAfterTax
Namespace Prefix:	hk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

It represents the information about number of subsidiary, ownership interest sold.

+ References

No definition available.

+ Details

Name:	hk_NoOfSubsidiariesOwnershipInterestSold
Namespace Prefix:	hk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the per unit first day average of the Henry Hub natural gas price for the twelve months ended as of the reporting date.

+ References

No definition available.

+ Details

Name:	hk_OilAndGasPricesFirstDayAverageOfTwelveMonthsOfHenryHubPriceForCeilingTest
Namespace Prefix:	hk_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the per unit first day average of the West Texas Intermediate (WTI) crude oil spot price.

+ References

No definition available.

+ Details

Name:	hk_OilAndGasPricesFirstDayAverageOfTwelveMonthsOfWestTexasIntermediateSpotMarketPriceForCeilingTest
Namespace Prefix:	hk_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

X

- Definition

It represents the Percentage of ownership interest sold.

+ References

No definition available.

+ Details

Name:	hk_PercentageOfOwnershipInterestSold
Namespace Prefix:	hk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The sum of the capitalized costs incurred during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii))
-URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862

+ Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_UnamortizedCostsCapitalizedExceedCeilingLimitationsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration