Significant Accounting Policies - Oil and Gas Properties (Details)	12 Months Ended
Dec. 31, 2018 ft³ / Boe
Oil and Gas Properties
Minimum project period for capitalization of interest on expenditures	6 months
Unit conversion ratio	6,000

Capitalized Costs, Proved Properties, Depletion, Unit-of-production Method over Proved Reserves, Unit Conversion Ratio

No definition available.

Name:	jone_CapitalizedCostsProvedPropertiesDepletionUnitOfProductionMethodOverProvedReservesUnitConversionRatio
Namespace Prefix:	jone_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration