Percentage of overriding royalty interest carved out.

No definition available.

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- Definition

Percentage of gross revenues to be received.

+ References

No definition available.

+ Details

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- Definition

Percentage of limited partnership interest.

+ References

No definition available.

+ Details

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- Definition

Percentage investment held in the general partner.

+ References

No definition available.

+ Details

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- Definition

Proceeds from reimbursements related to oil and natural gas properties.

+ References

No definition available.

+ Details

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- Definition

Direct costs paid to a related party for expenses incurred in the operations of wells and gathering systems.

+ References

No definition available.

+ Details

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- Definition

Indicates designation of financial information when substantially all business or separately identifiable line of business transfers from one entity to another entity. Acceptable values are "Predecessor" and "Successor".

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 45
-Paragraph 27
-URI http://asc.fasb.org/extlink&oid=116635682&loc=SL2890601-112764

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- 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

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- Definition

Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
	May 31, 2018	Mar. 31, 2018	May 31, 2018	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2011
Related Party Transaction [Line Items]
Financial Designation, Predecessor and Successor [Fixed List]			Predecessor	Successor	Successor	Successor	Predecessor	Predecessor
Reimbursements related to oil and natural gas properties			$ 652	$ 1,294	$ 1,441		$ 2,517
Harvest
Related Party Transaction [Line Items]
Percentage of general partnership interest			2.00%	2.00%	2.00%		2.00%
Ener Vest Ltd [Member] \| Harvest
Related Party Transaction [Line Items]
Percentage of general partnership interest	2.00%	2.00%
Ener Vest Ltd [Member]
Related Party Transaction [Line Items]
Administrative fees paid to related party			$ 7,200				$ 14,100
Direct expenses incurred and reimbursed to related party			$ 8,400				$ 20,100
Percentage of ownership interest in EV Energy GP, L.P. (EV Energy GP)	71.25%		71.25%
Overriding royalty interests
Related Party Transaction [Line Items]
Percentage of overriding royalty interest carved out									7.50%
Percentage of limited partnership interest									48.00%
Percentage of gross revenues to be received									5.64%