Quarterly report pursuant to Section 13 or 15(d)

CRUDE OIL AND NATURAL GAS PROPERTIES - Summarized Unaudited Pro Forma Financial Information (Details)

v3.19.2
CRUDE OIL AND NATURAL GAS PROPERTIES - Summarized Unaudited Pro Forma Financial Information (Details) - Pivotal Entities - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Asset Acquisition [Line Items]    
Revenues $ 107,465 $ 205,092
Net Income (Loss) $ (80,590) $ (137,317)