Quarterly report pursuant to Section 13 or 15(d)

Oil And Natural Gas Properties And Equipment (Narrative) (Details)

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Oil And Natural Gas Properties And Equipment (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Oil And Natural Gas Properties And Equipment [Abstract]    
Impairment of proved properties $ 0 $ 0