Earnings per Share - Additional Information (Details)	Mar. 31, 2017 shares
Class A common stock
Special Stock Dividend Declared
Special stock dividend declared per share (in shares)	0.087423

Aggregate stock dividends declared during the period for each share of common stock outstanding.

No definition available.

Name:	jone_DividendsCommonStockStockSharesDeclaredPerShareOutstanding
Namespace Prefix:	jone_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant