Debt instrument expanded borrowing base.

No definition available.

Name:	lone_DebtInstrumentExpandedBorrowingBase
Namespace Prefix:	lone_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Letter of credit facility sub limit.

+ References

No definition available.

+ Details

Name:	lone_LetterOfCreditFacilitySubLimit
Namespace Prefix:	lone_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum margin for loans.

+ References

No definition available.

+ Details

Name:	lone_MaximumMarginForLoans
Namespace Prefix:	lone_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum margin for loans.

+ References

No definition available.

+ Details

Name:	lone_MinimumMarginForLoans
Namespace Prefix:	lone_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of assets secured under credit facility.

+ References

No definition available.

+ Details

Name:	lone_PercentageOfAssetsSecuredUnderCreditFacility
Namespace Prefix:	lone_
Data Type:	num:percentItemType
Balance Type:	na
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

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

- 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

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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

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://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))
-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 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://www.xbrl.org/2003/role/presentationRef
-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_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

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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

- Details

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

- Details

Name:	us-gaap_LienCategoryAxis=us-gaap_JuniorLienMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=lone_CitibankNaMember
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_LineOfCreditFacilityAxis=lone_WellsFargoLedFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	dei_LegalEntityAxis=lone_LonestarResourcesAmericaIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-Term Debt - Senior Revolving Credit Facility - Additional Information (Detail) - USD ($)			1 Months Ended		9 Months Ended	12 Months Ended
	Jul. 28, 2015	Mar. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2014	May 19, 2016	Feb. 28, 2014
Revolving Credit Facility \| 2nd lien facility
Debt Instrument [Line Items]
Maximum line of credit borrowing capacity			$ 35,000,000						$ 55,000,000
Line of credit expiration date			Sep. 14, 2018
Line of credit facility commitment fee percentage			0.75%
Senior Secured Credit Facility
Debt Instrument [Line Items]
Current line of credit borrowing capacity					$ 2,500,000
Senior Secured Credit Facility \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage					0.50%
Citibank N A \| Senior Secured Credit Facility
Debt Instrument [Line Items]
Debt instrument expanded borrowing base						$ 180,000,000		$ 120,000,000
Debt instrument maturity date	Oct. 16, 2018
Revolving credit facility						$ 87,000,000
Citibank N A \| Senior Secured Credit Facility \| LIBOR
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate	0.25%
Wells Fargo Led Facility
Debt Instrument [Line Items]
Debt instrument face amount	$ 400,000,000
Wells Fargo Led Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum line of credit borrowing capacity		$ 400,000,000		$ 400,000,000
Current line of credit borrowing capacity		$ 105,000,000		$ 105,000,000			$ 150,000,000
Line of credit borrowing payment terms						The borrowing base shall be re-determined semi-annually based on the credit agreement, and such re-determined borrowing base shall become effective and applicable on April 1 and October 1 of each year commencing October 1, 2013
Line of credit expiration date				Mar. 14, 2018
Revolving credit facility							$ 49,000,000
Wells Fargo Led Facility \| Letter of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Current line of credit borrowing capacity						$ 2,500,000
Commitment fee percentage						0.50%
Wells Fargo Led Facility \| Maximum \| Letter of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Lien percentage of assets for credit facility						80.00%
Wells Fargo Led Facility \| LIBOR \| Letter of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate		1.00%
Margin of loans, minimum		1.00%
Margin of loans, maximum		2.00%
Wells Fargo Led Facility \| Federal Funds Effective Rate \| Letter of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate		0.50%
Wells Fargo Led Facility \| ABR \| Letter of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Margin of loans, minimum		2.00%
Margin of loans, maximum		3.00%
LRAI \| Senior Secured Credit Facility \| Maximum
Debt Instrument [Line Items]
Lien percentage of assets for credit facility					80.00%
LRAI \| Senior Secured Credit Facility \| LIBOR
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate	1.00%
Margin of loans, minimum	1.75%
Margin of loans, maximum	2.75%
LRAI \| Senior Secured Credit Facility \| Federal Funds Effective Rate
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate	0.50%
LRAI \| Senior Secured Credit Facility \| ABR
Debt Instrument [Line Items]
Margin of loans, minimum	0.75%
Margin of loans, maximum	1.75%
LRAI \| Citibank N A \| Senior Secured Credit Facility
Debt Instrument [Line Items]
Debt instrument face amount	$ 500,000,000