Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Fair Value (Narrative) (Details)

v3.20.2
Derivatives and Fair Value (Narrative) (Details)
1 Months Ended
May 06, 2019
$ / bbl
bbl
Jun. 30, 2018
$ / bbl
bbl
Commodity Contract, June 2018 Through June 2019 [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, average price per barrel | $ / bbl   74.00
Barrels | bbl   400,000
Commodity Contract, July 19 Through June 2020 [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, average price per barrel | $ / bbl 66.70  
Barrels | bbl 500,000