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Acquisitions and Divestitures - Acquisition - Business Combinations - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 15 Months Ended
Jul. 22, 2025
Mar. 07, 2025
Aug. 02, 2024
Mar. 04, 2024
Sep. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Apr. 01, 2026
Dec. 31, 2024
Business Combination [Line Items]                    
Issuance of common stock, Shares               34,500,000    
Proved properties             $ 10,340,150     $ 9,784,832
Issuance of common stock             0 $ 387,717    
Other Liabilities, Current             $ 39,917     44,854
Underwriter Discount Fee [Member]                    
Business Combination [Line Items]                    
Payments of stock issuance costs           $ 15,100        
Offering Expenses [Member]                    
Business Combination [Line Items]                    
Payments of stock issuance costs           800        
9.000% Second-Priority Senior Secured Notes - due 2029 | Senior Notes                    
Business Combination [Line Items]                    
Debt instrument interest rate             9.00%      
9.375% Second-Priority Senior Secured Notes due 2031 | Senior Notes                    
Business Combination [Line Items]                    
Debt instrument interest rate             9.375%      
Common Stock | Underwritten Public Offering [Member]                    
Business Combination [Line Items]                    
Issuance of common stock           $ 387,700        
Monument Project                    
Business Combination [Line Items]                    
Percentage of non-operated working interest acquired   8.30% 21.40%              
Cash consideration   $ 14,800 $ 20,200              
Proved properties     $ 42,600              
Asset acquisition, date of acquisition agreement   Mar. 07, 2025                
Monument Project | Notes Payable, Other Payables [Member]                    
Business Combination [Line Items]                    
Other Liabilities, Current             $ 12,100      
Monument Project | Pro Forma                    
Business Combination [Line Items]                    
Cash consideration                 $ 24,400  
Monument Project | Milestone Payment [Member]                    
Business Combination [Line Items]                    
Cash consideration   $ 6,300                
Mississippi Canyon Blocks 108                    
Business Combination [Line Items]                    
Percentage of working interest acquired 75.20%                  
Mississippi Canyon Blocks 110                    
Business Combination [Line Items]                    
Percentage of working interest acquired 50.00%                  
Mississippi Canyon Blocks                    
Business Combination [Line Items]                    
Cash consideration $ 33,700                  
Asset acquisition, consideration transferred $ 38,600                  
Quarter North Acquisition                    
Business Combination [Line Items]                    
Business acquisition, date of acquisition agreement       Mar. 04, 2024            
Pro forma financial information               The following supplemental pro forma financial information (in thousands, except per common share amounts), presents the condensed consolidated results of operations for the three and nine months ended September 30, 2024 as if the QuarterNorth Acquisition had occurred on January 1, 2023. The unaudited pro forma information was derived from historical statements of operations of the Company and QuarterNorth adjusted to include (i) depletion expense applied to the adjusted basis of the oil and natural gas properties acquired, (ii) interest expense to reflect borrowings under the Bank Credit Facility and Senior Notes, (iii) general and administrative expense adjusted for transaction related costs incurred (including severance), (iv) weighted average basic and diluted shares of common stock outstanding from the issuance of 24.3 million shares of common stock as partial consideration for the QuarterNorth Acquisition and (v) weighted average basic and diluted shares of common stock outstanding from the issuance of 34.5 million shares of common stock from the January Equity Offering that partially funded the cash portion of the QuarterNorth Acquisition.    
Cumulative transaction related costs                   $ 21,600
Cash consideration       $ 1,247,400            
Common stock value       $ 322,600            
Supplemental pro forma earnings         $ (88,315)     $ 3,256    
Quarter North Acquisition | Employee Severance                    
Business Combination [Line Items]                    
Aquisition severance cost               $ 22,300    
Quarter North Acquisition | Common Stock                    
Business Combination [Line Items]                    
Aggregate shares issued       24,300,000            
Quarter North Acquisition | Common Stock | Pro Forma                    
Business Combination [Line Items]                    
Aggregate shares issued               24,300,000    
Quarter North Acquisition | General and Administrative Expense                    
Business Combination [Line Items]                    
Acquisition, transaction related cost               $ 18,600    
Quarter North Acquisition | Interest Expense                    
Business Combination [Line Items]                    
Acquisition, transaction related cost               $ 4,900    
Quarter North Acquisition | January 2024 equity offering | Common Stock | Pro Forma                    
Business Combination [Line Items]                    
Aggregate shares issued               34,500,000    
QuarterNorth | General and Administrative Expense | Nonrecurring Adjustments [Member]                    
Business Combination [Line Items]                    
Supplemental pro forma earnings         $ (200)     $ (31,700)