XML 61 R50.htm IDEA: XBRL DOCUMENT v3.7.0.1

DEBT - Amended Senior Facilities (Details) - USD ($)							6 Months Ended
	Mar. 20, 2017	Feb. 21, 2017	Feb. 16, 2017	Sep. 09, 2016	Dec. 21, 2015	May 01, 2015	Jun. 30, 2017	Jul. 10, 2017	Dec. 31, 2016	Sep. 28, 2016
Current and long-term debt
Accrued interest expense							$ 27,753,000		$ 31,146,000
Principal amount							$ 962,826,000		812,826,000
8.625% senior secured second lien notes due 2020
Current and long-term debt
Payment for repurchase of debt	$ 432,000,000	$ 1,200,000	$ 303,500,000
Extinguishment of debt, aggregate principal	409,600,000	1,200,000	289,200,000
Make-whole premium	17,700,000	$ 54,000	13,200,000
Accrued interest expense	$ 4,800,000		$ 1,100,000
Redemption price of debt instrument (as a percent)	104.313%
Principal amount									$ 700,000,000
Interest rate (as a percent)							8.625%		8.625%
Loss on the repurchase for the tender premium paid							$ 30,900,000
Loss on the write-off of the discount on notes							26,000,000
Unamortized discount									$ 27,400,000
8.625% senior secured second lien notes due 2020 | Predecessor
Current and long-term debt
Net proceeds from issuance						$ 686,200,000
Principal amount						$ 700,000,000
Interest rate (as a percent)						8.625%
12.0% senior secured second lien notes due 2022
Current and long-term debt
Principal amount							$ 112,826,000		$ 112,826,000
Interest rate (as a percent)							12.00%	12.00%	12.00%
Consent fee paid										$ 1,400,000
Unamortized discount							$ 6,300,000		$ 6,800,000	$ 1,400,000
12.0% senior secured second lien notes due 2022 | Reorganization Adjustments
Current and long-term debt
Fair value of debt				$ 107,200,000
Application of discount applied during Fresh-Start Accounting				$ 5,700,000
12.0% senior secured second lien notes due 2022 | Predecessor
Current and long-term debt
Principal amount					$ 112,800,000
Interest rate (as a percent)					12.00%
Gross debt extinguished for new notes					$ 289,600,000
13.0% senior secured third lien notes due 2022 | Predecessor
Current and long-term debt
Interest rate (as a percent)				13.00%
9.25% senior notes due 2022 | Predecessor
Current and long-term debt
Interest rate (as a percent)				9.25%
8.875% senior notes due 2021 | Predecessor
Current and long-term debt
Interest rate (as a percent)				8.875%
9.75% senior notes due 2020 | Predecessor
Current and long-term debt
Interest rate (as a percent)				9.75%
Senior Unsecured Notes Held by Certain Holders | 9.25% senior notes due 2022 | Predecessor
Current and long-term debt
Extinguishment of debt, aggregate principal					35,300,000
Senior Unsecured Notes Held by Certain Holders | 8.875% senior notes due 2021 | Predecessor
Current and long-term debt
Extinguishment of debt, aggregate principal					137,700,000
Senior Unsecured Notes Held by Certain Holders | 9.75% senior notes due 2020 | Predecessor
Current and long-term debt
Extinguishment of debt, aggregate principal					$ 116,600,000

X

- Definition

Represents the consent fee paid to each second lien holder that agrees to support the Restructuring Support Agreement.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of make-whole premium associated with debt repurchase under debt arrangements.

+ References

No definition available.

+ Details

Name:	hk_DebtInstrumentRepurchaseMakeWholePremium
Namespace Prefix:	hk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the application of a discount that arose when the note was stated at fair value during the application of Fresh-Start Accounting.

+ References

No definition available.

+ Details

Name:	hk_FreshStartAccountingFairValueDiscountApplication
Namespace Prefix:	hk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the debt extinguished in conjunction with the new debt issued.

+ References

No definition available.

+ Details

Name:	hk_GrossDebtExtinguishedForNewNotes
Namespace Prefix:	hk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents loss on the repurchase for the tender premium paid.

+ References

No definition available.

+ Details

Name:	hk_LossOnRepurchaseForTenderPremiumPaid
Namespace Prefix:	hk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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

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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 2: 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

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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

X

- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ 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 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e7018-107765

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765

+ Details

Name:	us-gaap_InterestPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_DebtInstrumentAxis=hk_SeniorSecuredNotesDue2020Member
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:

X

- Details

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

X

- Details

Name:	us-gaap_FreshStartAdjustmentsTypeOfFreshStartAdjustmentAxis=hk_ReorganizationAdjustmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=hk_SeniorSecuredNotesDue2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=hk_SeniorNotes9.25PercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=hk_SeniorNotes8.875PercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=hk_SeniorNotes9.75PercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hk_SeniorUnsecuredNotesHeldByCertainHoldersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: