Quarterly report pursuant to Section 13 or 15(d)

Derivatives And Fair Value (Narrative) (Details)

v3.10.0.1
Derivatives And Fair Value (Narrative) (Details)
$ in Millions
3 Months Ended
Jun. 30, 2018
USD ($)
$ / Boe
bbl
Derivatives And Fair Value [Abstract]  
Derivative instruments $ 1.0
Benchmark of liability position, with required financial actions $ 10.0
Derivative, Nonmonetary Notional Amount, Volume | bbl 400,000
Underlying, Derivative Energy Measure | $ / Boe 74