Debt covenant to earnings before interest taxes depreciation and amortization ratio.

No definition available.

Name:	talo_DebtCovenantToEarningsBeforeInterestTaxesDepreciationAndAmortizationRatio
Namespace Prefix:	talo_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

A ratio of EBITDA to Net Interest.

+ References

No definition available.

+ Details

Name:	talo_EBITDAToNetInterestRatio
Namespace Prefix:	talo_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Payments of work fees to debt holders.

+ References

No definition available.

+ Details

Name:	talo_PaymentsOfWorkFeesToDebtHolders
Namespace Prefix:	talo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: 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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- 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

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

+ Details

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

- 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

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

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

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

+ Details

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

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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

- Definition

Description of debt redemption features under terms of the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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_DebtInstrumentRedemptionDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

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

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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

- 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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from bank borrowing during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

+ Details

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

- Definition

The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

+ References

+ Details

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

- Definition

The cash outflow to settle a bank borrowing during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfBankDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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

- Details

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

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=talo_ApolloGlobalManagementLLCAndRiverstoneHoldingsLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Additional information (Details) - USD ($)			1 Months Ended	3 Months Ended				6 Months Ended		12 Months Ended
Debt - Additional information (Details) - USD ($)	Apr. 03, 2017	Jan. 10, 2017	Aug. 15, 2017	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	May 10, 2018	Feb. 15, 2018	Nov. 21, 2017	May 31, 2017	May 15, 2017	Apr. 15, 2015
Debt Instrument [Line Items]
Principal					$ 240,000,000			$ 240,000,000
Payments of debt issuance costs					3,900,000			4,500,000
Work fees to debt holders								$ 9,300,000
Debt instrument redemption, description								The indenture governing the 11.00% Senior Secured Notes applies certain limitations on the Company’s ability and the ability of its subsidiaries to, among other things, (i) incur additional indebtedness or issue certain preferred shares; (ii) pay dividends and make certain other restricted payments; (iii) create restrictions on the payment of dividends or other distributions to the Company from its restricted subsidiaries; (iv) create liens on certain assets to secure debt; (v) make certain investments; (vi) engage in sales of assets and subsidiary stock; (vii) transfer all or substantially all of its assets or enter into merger or consolidation transactions; and (viii) engage in transactions with affiliates. The 11.00% Senior Secured Notes contain customary quarterly and annual reporting, financial and administrative covenants. The Company was in compliance with all debt covenants at June 30, 2018.
Debt instrument maturity date								Feb. 28, 2019		Feb. 28, 2019
Credit facility, maximum borrowing capacity					$ 600,000,000			$ 600,000,000
Proceeds from Bank Credit Facility								294,000,000	$ 10,000,000	$ 10,000,000	$ 15,000,000	$ 120,000,000
Repayment of bank credit facility								$ 54,000,000	$ 15,000,000	$ 15,000,000	10,000,000	$ 30,000,000
11.00% Second-Priority Senior Secured Notes – due April 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					11.00%			11.00%		11.00%
Debt instrument maturity date								Apr. 30, 2022		Apr. 30, 2022
7.50% Senior Secured Notes – due May 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					7.50%			7.50%		7.50%
Debt instrument frequency of periodic payment								semiannually
Debt instrument payment terms								semiannually each May 31 and November 30
Debt instrument, face amount													$ 6,100,000
Debt instrument maturity date								May 31, 2022		May 31, 2022
7.50% Senior Secured Notes – due May 2022 \| Maximum
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage								105.625%
7.50% Senior Secured Notes – due May 2022 \| Minimum
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage								100.00%
4.20% Building Loan - due November 2030
Debt Instrument [Line Items]
Principal					$ 10,800,000			$ 10,800,000
Debt instrument, interest rate, stated percentage					4.20%			4.20%
EBITDA to net interest								2.00%
Debt instrument frequency of periodic payment								180 equal monthly installments
Debt instrument maturity date								Nov. 20, 2030
Debt instrument, periodic payment								$ 0.1
11.00% Bridge Loans – due April 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					11.00%			11.00%		11.00%
Debt instrument maturity date								Apr. 03, 2022		Apr. 03, 2022
Bank Credit Facility – due May 2022
Debt Instrument [Line Items]
Debt instrument maturity date								May 10, 2022
Credit facility, maximum borrowing capacity					$ 600,000,000			$ 600,000,000
Bank Credit Facility – due February 2019
Debt Instrument [Line Items]
Debt instrument maturity date										Feb. 06, 2019
Credit facility, maximum borrowing capacity					600,000,000			$ 600,000,000		$ 475,000,000						$ 475,000,000
Commitment fee percentage								0.50%
Debt covenant to EBITDAX							350.00%
Undrawn commitment under credit facility					354,000,000			$ 354,000,000		67,100,000
Letters of credit outstanding amount					6,000,000			6,000,000		4,900,000
Line of credit outstanding amount					240,000,000			240,000,000		403,000,000
Proceeds from Bank Credit Facility	$ 10,000,000							294,000,000
Repayment of bank credit facility		$ 15,000,000
Bank Credit Facility – due February 2019 \| Letter of Credit
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity					$ 200,000,000			$ 200,000,000		$ 200,000,000
Bank Credit Facility – due February 2019 \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage										0.50%
Debt covenant to EBITDAX										350.00%
Bank Credit Facility – due February 2019 \| Maximum \| Scenario, Forecast
Debt Instrument [Line Items]
Debt covenant to EBITDAX				100.00%
Bank Credit Facility – due February 2019 \| Maximum \| London Interbank Offered Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate								3.75%		2.75%
Bank Credit Facility – due February 2019 \| Maximum \| Base Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate								2.75%		1.75%
Bank Credit Facility – due February 2019 \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage										0.375%
Bank Credit Facility – due February 2019 \| Minimum \| Scenario, Forecast
Debt Instrument [Line Items]
Debt covenant to EBITDAX				300.00%
Bank Credit Facility – due February 2019 \| Minimum \| London Interbank Offered Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate								2.75%		1.75%
Bank Credit Facility – due February 2019 \| Minimum \| Base Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate								1.75%		0.75%
9.75% Senior Notes – due February 2018
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					9.75%			9.75%		9.75%
Debt instrument maturity date								Feb. 15, 2018		Feb. 15, 2018
Debt instrument, repurchase amount					$ 25,000,000			$ 25,000,000
2018 Senior Note
Debt Instrument [Line Items]
Principal			$ 102,000,000
Debt instrument, repurchase amount																	$ 1,000,000
2022 Senior Note
Debt Instrument [Line Items]
Principal			$ 102,000,000
Debt instrument, interest rate, stated percentage			9.75%
Debt instrument, redemption price, percentage										109.75%
Debt instrument, interest rate terms			semiannually on February 15 and August 15 of each year
2022 Senior Note \| Maximum
Debt Instrument [Line Items]
Percentage of principal amount of debt redeemed										35.00%
Senior Notes
Debt Instrument [Line Items]
Principal										$ 172,000,000
Debt instrument, interest rate, stated percentage																		11.00%
Payments of debt issuance costs										4,300,000
Senior Notes \| 9.75% Senior Notes
Debt Instrument [Line Items]
Principal					$ 102,000,000			$ 102,000,000
Debt instrument, interest rate, stated percentage					9.75%			9.75%							9.75%
Senior Notes \| 11.00% Second-Priority Senior Secured Notes – due April 2022
Debt Instrument [Line Items]
Principal					$ 390,868,000			$ 390,868,000
Debt instrument, interest rate, stated percentage					11.00%			11.00%
Debt instrument maturity date								Apr. 30, 2022
Senior Notes \| 11.00% Second-Priority Senior Secured Notes – due April 2022 \| Maximum
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage								105.50%
Senior Notes \| 11.00% Second-Priority Senior Secured Notes – due April 2022 \| Minimum
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage								100.00%
Senior Notes \| 7.50% Senior Secured Notes – due May 2022
Debt Instrument [Line Items]
Principal					$ 6,060,000			$ 6,060,000
Debt instrument, interest rate, stated percentage					7.50%			7.50%
Proceeds from Issuance of senior secured notes in exchange of 11% senior secured notes								$ 137,400,000
Debt instrument maturity date								May 31, 2022
Senior Notes \| 9.75% Senior Notes – due February 2018
Debt Instrument [Line Items]
Principal										$ 24,977,000	$ 300,000,000
Debt instrument, interest rate, stated percentage					9.75%			9.75%		9.75%	9.75%
Debt instrument, face amount										$ 25,000,000
Debt instrument maturity date								Feb. 28, 2018		Feb. 15, 2018	Feb. 15, 2018
Bridge Loans
Debt Instrument [Line Items]
Principal										$ 172,000,000
Debt instrument, redemption price, percentage										111.00%
Debt instrument maturity Period										fifth anniversary
Bridge Loans \| Maximum
Debt Instrument [Line Items]
Percentage of principal amount of debt redeemed										35.00%
Bridge Loans \| 11.00% Second-Priority Senior Secured Notes – due April 2022
Debt Instrument [Line Items]
Principal					$ 172,000,000			$ 172,000,000
Debt instrument, interest rate, stated percentage					11.00%			11.00%
Bridge Loans \| 11.00% Bridge Loans – due April 2022
Debt Instrument [Line Items]
Principal										$ 172,023,000
Debt instrument, interest rate, stated percentage					11.00%			11.00%		11.00%	11.00%
Debt instrument, face amount										$ 172,000,000
Debt instrument maturity date								Apr. 30, 2022		Apr. 03, 2022	Apr. 03, 2022
Stone Notes \| 7.50% Senior Secured Notes – due May 2022
Debt Instrument [Line Items]
Principal					$ 81,500,000			$ 81,500,000
Debt instrument, interest rate, stated percentage					7.50%			7.50%
Subsequent Event \| Bank Credit Facility – due February 2019
Debt Instrument [Line Items]
Debt covenant to EBITDAX						375.00%
Subsequent Event \| 2018 Senior Note
Debt Instrument [Line Items]
Debt instrument, repurchase amount														$ 25,000,000
Sponsors
Debt Instrument [Line Items]
Work fees to debt holders								$ 4,100,000
Sponsors \| Bridge Loans
Debt Instrument [Line Items]
Principal										$ 39,800,000