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Long-term Debt (Details) - USD ($)
$ in Thousands
 2 Months Ended 12 Months Ended
Dec. 31, 2022
Jun. 17, 2022
Feb. 14, 2022
Jul. 01, 2021
Jun. 23, 2021
Jun. 17, 2020
Aug. 20, 2018
Sep. 12, 2016
Aug. 12, 2016
May 21, 2015
Nov. 17, 2014
May 20, 2013
Feb. 23, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2021
Senior Notes [Line Items]                                  
Net gain (loss) on extinguishment of debt                           $ (67,605) $ (2,139) $ 280,081  
Debt Instrument, Covenant Description (a) total funded debt, as defined in the Credit Agreement, to 12-month trailing adjusted EBITDAX ratio cannot be greater than 3.50 to 1.00 on the last day of each fiscal quarter; and (b) adjusted current ratio, as defined in the Credit Agreement, cannot be less than 1.00 to 1.00 as of the last day of any fiscal quarter.                                
Debt Instrument, Covenant Compliance                           The Company was in compliance with all covenants under the Credit Agreement and the indentures governing the Senior Notes as of December 31, 2022, and through the filing of this report.      
Capitalized interest costs                           $ 17,600 15,000 15,800  
Subsequent Event                                  
Senior Notes [Line Items]                                  
Debt Instrument, Covenant Compliance                         The Company was in compliance with all covenants under the Credit Agreement and the indentures governing the Senior Notes as of December 31, 2022, and through the filing of this report.        
5.0% Senior Unsecured Notes Due 2024                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount     $ 104,800   $ 172,300 $ 155,339                   67,600  
Senior Unsecured Notes, Redemption Price, Percentage     100.00%                            
Senior Notes, Principal amount $ 0                     $ 500,000   0 104,769    
Proceeds from Debt, Net of Issuance Costs                       $ 490,200          
10.0% Senior Secured Notes due 2025                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount   $ 446,700                              
Senior Unsecured Notes, Redemption Price, Percentage   107.50%                              
Net gain (loss) on extinguishment of debt   $ 67,200                              
Debt Instrument, Repurchase Premium   33,500                              
Senior Notes, Principal amount 0         446,700               0 446,675    
10.0% Senior Secured Notes due 2025 | Accelerated Unamortized Debt Discount                                  
Senior Notes [Line Items]                                  
Write off of Deferred Debt Issuance Cost   26,300                              
10.0% Senior Secured Notes due 2025 | Accelerated Unamortized Deferred Financing Costs                                  
Senior Notes [Line Items]                                  
Write off of Deferred Debt Issuance Cost   $ 7,400                              
6.5% Senior Unsecured Notes Due 2028                                  
Senior Notes [Line Items]                                  
Senior Notes, Principal amount 400,000       400,000                 400,000 400,000    
Proceeds from Debt, Net of Issuance Costs         392,800                        
6.125% Senior Unsecured Notes Due 2022                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount         $ 193,100 141,701                   122,700 $ 19,300
Senior Notes, Principal amount                     $ 600,000            
Proceeds from Debt, Net of Issuance Costs                     $ 590,000            
6.125% Senior Unsecured Notes Due 2022 and 5.0% Senior Unsecured Notes Due 2024                                  
Senior Notes [Line Items]                                  
Net gain (loss) on extinguishment of debt                             (2,100) 52,800  
Debt Instrument, Repurchase Premium                             600    
Senior Unsecured Notes, Settlement Amount 385,300                         385,300   136,500  
Debt Instrument, Repurchase Discount                               (53,800)  
6.125% Senior Unsecured Notes Due 2022 and 5.0% Senior Unsecured Notes Due 2024 | Accelerated Unamortized Deferred Financing Costs                                  
Senior Notes [Line Items]                                  
Write off of Deferred Debt Issuance Cost                             1,500 $ 1,000  
1.50% Senior Secured Convertible Notes Due 2021                                  
Senior Notes [Line Items]                                  
Repayments of Convertible Debt       $ 65,500                          
Senior Unsecured Notes                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount           611,896                      
Senior Notes, Principal amount 1,585,144                         1,585,144 1,689,913    
1.50% Senior Unsecured Convertible Notes Due 2021                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount           107,000                      
Senior Notes, Principal amount                 $ 172,500                
Proceeds from Debt, Net of Issuance Costs                 $ 166,600                
Repayments of Convertible Debt           53,500                      
Senior Secured Notes, Senior Unsecured Notes, and 1.50% Senior Unsecured Convertible Notes Due 2021                                  
Senior Notes [Line Items]                                  
Net gain (loss) on extinguishment of debt           227,300                      
Senior Secured Notes, Senior Unsecured Notes, and 1.50% Senior Unsecured Convertible Notes Due 2021 | Accelerated Unamortized Debt Discount                                  
Senior Notes [Line Items]                                  
Write off of Deferred Debt Issuance Cost           6,100                      
Senior Secured Notes, Senior Unsecured Notes, and 1.50% Senior Unsecured Convertible Notes Due 2021 | Accelerated Unamortized Deferred Financing Costs                                  
Senior Notes [Line Items]                                  
Write off of Deferred Debt Issuance Cost           5,600                      
5.625% Senior Unsecured Notes Due 2025                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount           150,882                      
Senior Notes, Principal amount 349,118                 $ 500,000       349,118 349,118    
Proceeds from Debt, Net of Issuance Costs                   $ 491,000              
6.75% Senior Unsecured Notes Due 2026                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount           80,765                      
Senior Notes, Principal amount 419,235             $ 500,000           419,235 419,235    
Proceeds from Debt, Net of Issuance Costs               $ 491,600                  
6.625% Senior Unsecured Notes Due 2027                                  
Senior Notes [Line Items]                                  
Senior Notes, repurchased, retired or redeemed face amount           $ 83,209                      
Senior Notes, Principal amount $ 416,791           $ 500,000             $ 416,791 $ 416,791    
Proceeds from Debt, Net of Issuance Costs             $ 492,100