Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Derivatives and Fair Value - Loss on Derivative Instruments (Details)

v3.22.2.2
Note 8 - Derivatives and Fair Value - Loss on Derivative Instruments (Details) - Crude Oil Swaps [Member] - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Derivative instruments loss, net $ 3,778 $ (5,147) $ (37,522) $ (21,070)
Cash Settlements Not Paid on Matured Derivative Contracts, Net [Member]        
Derivative instruments loss, net (9,124) (4,186) (42,683) (10,189)
Unrealized Gain (Loss) [Member]        
Derivative instruments loss, net $ 12,902 $ (961) $ 5,161 $ (10,881)