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Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
May 09, 2024
May 07, 2024
Nov. 01, 2022
Mar. 31, 2024
Feb. 13, 2024
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2023
Commitments and Contingencies [Line Items]                      
General and administrative expenses         $ 1,714 $ 26,225 $ 3,022 $ 209,890 $ 9,107    
FDIC insured cash           300   300      
Depletion, depreciation, amortization and accretion         2,627 2,755 5,255 6,856 15,764    
Capitalized costs related to oil and gas properties and related equipment           $ 1,111,302   1,111,302     $ 688,964
Asset impairment         $ 0   $ 0 $ 0 $ 0 $ 1,400,000  
Effective income tax rate           (0.30%)   (3.30%)      
Sable-EM Purchase Agreement                      
Commitments and Contingencies [Line Items]                      
Purchase consideration, note     $ 606,300                
Purchase consideration, down payment     $ 18,800                
Grey Fox Matter | Pending Litigation                      
Commitments and Contingencies [Line Items]                      
General and administrative expenses           $ 0   $ 70,000      
Loss contingency value $ 35,000     $ 35,000              
Collateralized agreement   $ 35,000                  
Cap interest payable   $ 400