Acquisitions - Andarko Acquisition - Purchase Price Allocation (Details) - Anadarko Acquisition $ in Millions	Oct. 24, 2016 USD ($)
Oil and gas properties
Oil and gas properties	$ 32.3
Unproved	3.0
Proved	17.0
Wells and equipment and related facilities	12.3
Asset retirement obligations	$ 6.4

Represents the amount of a liability for an asset retirement obligation assumed at the acquisition date.

No definition available.

Name:	jone_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligations
Namespace Prefix:	jone_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the amount of oil and gas properties recognized as of the acquisition date.

No definition available.

Name:	jone_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOilAndGasProperty
Namespace Prefix:	jone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the amount of oil and gas properties with proved reserves recognized as of the acquisition date.

No definition available.

Name:	jone_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedProvedOilAndGasProperty
Namespace Prefix:	jone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the amount of oil and gas properties with unproved reserves recognized as of the acquisition date.

No definition available.

Name:	jone_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnprovedOilAndGasProperty
Namespace Prefix:	jone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of wells and equipment and related facilities acquired at the acquisition date.

No definition available.

Name:	jone_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWellsAndEquipmentAndRelatedFacilities
Namespace Prefix:	jone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.

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

Name:	us-gaap_BusinessAcquisitionAxis=jone_AnadarkoAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: