|**Fair Value of Financial Instruments Fair Value Measurements and Disclosures (Tables)**                               | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|**Fair Value Disclosures [Abstract]**                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]                          | The following table presents, for each applicable level within the fair value hierarchy, our derivative assets and liabilities, including both current and non-current portions, measured at fair value on a recurring basis as of the dates indicated:December 31, 2022December 31, 2021Consolidated Balance Sheet Line ItemSignificant OtherObservableInputs(Level 2)SignificantUnobservableInputs(Level 3)TotalSignificant OtherObservableInputs(Level 2)SignificantUnobservableInputs(Level 3)Total(in thousands)Derivative assetsCurrentFair value of derivatives$9,178$22,785$31,963$—$17,909$17,909Non-currentFair value of derivatives20,4395,12325,56260514,57215,177Total$29,617$27,908$57,525$605$32,481$33,086Derivative liabilitiesCurrentFair value of derivatives$(214,171)$(60,047)$(274,218)$(230,695)$(74,175)$(304,870)Non-currentFair value of derivatives(49,749)(3,851)(53,600)(74,715)(20,846)(95,561)Total$(263,920)$(63,898)$(327,818)$(305,410)$(95,021)$(400,431)                   
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|                                                                                                                       | Consolidated Balance Sheet Line Item                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|Derivative assets                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Current                                                                                                                | Fair value of derivatives                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Non-current                                                                                                            | Fair value of derivatives                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Total                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|Derivative liabilities                                                                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Current                                                                                                                | Fair value of derivatives                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Non-current                                                                                                            | Fair value of derivatives                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Total                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Fair Value Assets and Liabilities Unobservable Input Reconciliation [Table Text Block]                                 | The following table presents a reconciliation of our Level 3 commodity derivative assets and liabilities measured at fair value for the periods presented:Year Ended December 31,202220212020(in thousands)Fair value of Level 3 instruments, net asset (liability) beginning of period$(62,540)$(8,427)$8,414Commodity derivatives acquired from acquisition of business(22,716)——Changes in fair value included in consolidated statements of operations line item:Commodity price risk management gain (loss), net(192,694)(206,109)37,821Settlements included in consolidated statements of operations line items:Commodity price risk management gain (loss), net241,960151,996(54,662)Fair value of Level 3 instruments, net asset (liability) end of period$(35,990)$(62,540)$(8,427)Net change in fair value of Level 3 unsettled derivatives included in consolidated statements of operations line item:Commodity price risk management gain (loss), net$(31,367)$(35,108)$—Total$(31,367)$(35,108)$—
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|Fair value of Level 3 instruments, net asset (liability) beginning of period                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Commodity derivatives acquired from acquisition of business                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Changes in fair value included in consolidated statements of operations line item:                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Commodity price risk management gain (loss), net                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Settlements included in consolidated statements of operations line items:                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Commodity price risk management gain (loss), net                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Fair value of Level 3 instruments, net asset (liability) end of period                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|Net change in fair value of Level 3 unsettled derivatives included in consolidated statements of operations line item: |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Commodity price risk management gain (loss), net                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Total                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]                           | The portion of our long-term debt related to our revolving credit facility approximates fair value, as the applicable interest rates are variable and reflective of market rates. We have elected not to account for the portion of our debt related to our senior notes under the fair value option; however, we have determined an estimate of the fair values based on measurements of trading activity and broker or dealer quotes, which are published market prices, and therefore are Level 2 inputs. The table below presents these estimates of the fair value of the portion of our long-term debt related to our senior notes as of the dates indicated:December 31,20222021Nominal InterestEstimated Fair ValuePercent of ParEstimated Fair ValuePercent of Par(in millions)(in millions)2024 Senior Notes6.125%198.499.2%202.8101.4%2026 Senior Notes5.75%716.095.5%775.5103.4%                                                                                                                   
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|                                                                                                                       | Nominal Interest                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
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|2024 Senior Notes                                                                                                      | 6.125                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|2026 Senior Notes                                                                                                      | 5.75                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

X- DefinitionTabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets or net liabilities), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of asset or liability.
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duration X- DefinitionTabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).
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