Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Predecessor - Narrative (Details)

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Summary of Significant Accounting Policies - Predecessor - Narrative (Details) - Aria Energy LLC - USD ($)
$ in Millions
8 Months Ended
Jun. 10, 2021
Sep. 14, 2021
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Percent of revenue, ASC 606   39.00%
Percent of revenue, ASC 840   61.00%
Proceeds from sale of assets held for sale $ 58.5  
LESPH    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Net gain (loss) from sale of LESPH   $ (1.9)