Quarterly report pursuant to Section 13 or 15(d)

Commodity Derivative Positions (Details)

v3.19.2
Commodity Derivative Positions (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
bbl
$ / bbl
Settlement Agreement [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 4
Crude Oil | Third Quarter 2019 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-WTI
Derivative, Nonmonetary Notional Amount | bbl 7,397
Derivative, Swap Type, Average Fixed Price | $ / bbl 55.70
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 1,677
Crude Oil | Fourth Quarter 2019 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-WTI
Derivative, Nonmonetary Notional Amount | bbl 7,398
Derivative, Swap Type, Average Fixed Price | $ / bbl 55.70
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 1,222
Crude Oil | First Quarter 2020 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-WTI
Derivative, Nonmonetary Notional Amount | bbl 7,000
Derivative, Swap Type, Average Fixed Price | $ / bbl 54.94
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 1,048
Crude Oil | Second Quarter 2020 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-WTI
Derivative, Nonmonetary Notional Amount | bbl 7,000
Derivative, Swap Type, Average Fixed Price | $ / bbl 54.94
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 375
Crude Oil | Third Quarter 2020 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-WTI
Derivative, Nonmonetary Notional Amount | bbl 7,000
Derivative, Swap Type, Average Fixed Price | $ / bbl 54.93
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 164
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 0
Crude Oil | Fourth Quarter 2020 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-WTI
Derivative, Nonmonetary Notional Amount | bbl 7,000
Derivative, Swap Type, Average Fixed Price | $ / bbl 54.93
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 569
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 0
Louisiana Light Sweet [Member] | Third Quarter 2019 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-LLS
Derivative, Nonmonetary Notional Amount | bbl 5,000
Derivative, Swap Type, Average Fixed Price | $ / bbl 59.17
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 1,589
Louisiana Light Sweet [Member] | Fourth Quarter 2019 [Member]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Type of Instrument Swaps-LLS
Derivative, Nonmonetary Notional Amount | bbl 5,000
Derivative, Swap Type, Average Fixed Price | $ / bbl 59.17
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value $ 0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value $ 1,059