Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Predecessor - Schedule of Unrealized Gain (Loss) of Natural Gas Swaps (Details)

v3.21.4
Derivative Instruments - Predecessor - Schedule of Unrealized Gain (Loss) of Natural Gas Swaps (Details) - USD ($)
$ in Thousands
2 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Sep. 14, 2021
Sep. 30, 2020
Sep. 14, 2021
Sep. 30, 2020
Aria Energy LLC | Natural Gas Swap        
Derivative [Line Items]        
Natural gas swap - unrealized gain (loss) $ 574 $ 261 $ 1,129 $ (61)