XML 87 R63.htm IDEA: XBRL DOCUMENT v3.22.0.1
Debt - Additional information (Details) - USD ($)
$ in Thousands, shares in Millions
12 Months Ended
Jan. 15, 2023
Jan. 13, 2021
Jun. 15, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 21, 2021
Sep. 30, 2021
Aug. 02, 2021
Jun. 30, 2021
Jan. 14, 2021
Debt Instrument [Line Items]                      
Gain (loss) on extinguishment of debt       $ (13,225) $ 1,662 $ 0          
Credit facility, maximum borrowing capacity       950,000              
Debt Instruments       1,031,060 993,314            
Debt instrument, repurchase amount       356,803 $ 5,364 $ 10,567          
Carbon Capture And Sequestration[ Member]                      
Debt Instrument [Line Items]                      
Provision to facilitate investments       $ 50,000              
11.00% Second-Priority Senior Secured Notes - due April 2022                      
Debt Instrument [Line Items]                      
Debt instrument, redemption price, percentage   102.75%                  
Debt instrument, interest rate, stated percentage     11.00%                
Debt instrument, repurchase amount     $ 37,200                
7.50% Senior Notes – due May 2022                      
Debt Instrument [Line Items]                      
Debt instrument maturity date       May 31, 2022 May 31, 2022            
Debt instrument frequency of periodic payment       semi-annually              
Debt instrument payment terms       semi-annually each May 31 and November 30              
Debt instrument, interest rate, stated percentage       7.50% 7.50%            
Debt instrument redemption, description       The 7.50% Notes mature May 31, 2022 and have interest payable semi-annually each May 31 and November 30. The Company may redeem all or a portion of the 7.50% Notes at redemption prices (expressed as percentages of the principal amount) equal to: (i) 105.625% for the twelve-month period beginning on May 31, 2021 and (ii) 100% beginning May 31, 2022, in each case, plus accrued and unpaid interest at the redemption date.              
Debt instrument, face amount       $ 6,100              
Bank Credit Facility - matures November 2024                      
Debt Instrument [Line Items]                      
Credit facility, maximum borrowing capacity       $ 950,000       $ 960,000      
Bank credit facility, description       The borrowing base is redetermined by the lenders at least semi-annually during the second quarter and fourth quarter each year. On June 22, 2021, the Company entered into a Borrowing Base Redetermination Agreement and Sixth Amendment to Credit Agreement (the “Sixth Amendment”). The Sixth Amendment, among other things, (i) extended the maturity date of the Bank Credit Facility from May 10, 2022 to November 12, 2024              
Line of Credit Facility, Commitments       $ 791,300         $ 730,000 $ 655,000  
Weighted average interest rate       3.50%              
Bank Credit Facility - matures November 2024 | Letter of Credit                      
Debt Instrument [Line Items]                      
Line of Credit Facility, Commitments       $ 150,000              
Bank Credit Facility - matures November 2024 | London Interbank Offered Rate                      
Debt Instrument [Line Items]                      
Debt Instrument, Basis Spread on Variable Rate       1.00%              
Bank Credit Facility - matures November 2024 | Base Rate Federal Funds [Member]                      
Debt Instrument [Line Items]                      
Debt Instrument, Basis Spread on Variable Rate       0.50%              
Bank Credit Facility - matures November 2024 | Minimum                      
Debt Instrument [Line Items]                      
Debt covenant to EBITDAX       3.00%              
Debt covenant current ratio       1.00%              
Line of Credit Facility, Commitments             $ 730,000        
Bank Credit Facility - matures November 2024 | Minimum | London Interbank Offered Rate                      
Debt Instrument [Line Items]                      
Debt Instrument, Basis Spread on Variable Rate       1.00%              
Bank Credit Facility - matures November 2024 | Maximum                      
Debt Instrument [Line Items]                      
Line of Credit Facility, Commitments             $ 791,300        
Bank Credit Facility - matures November 2024 | Maximum | Letter of Credit                      
Debt Instrument [Line Items]                      
Line of Credit Facility, Commitments       $ 200,000              
Senior Notes | 11.00% Second-Priority Senior Secured Notes - due April 2022                      
Debt Instrument [Line Items]                      
Debt instrument, interest rate, stated percentage   11.00%   11.00% 11.00%            
Debt instrument, shares issued in conversion for repurchased and retired notes     3.1                
Debt Instruments   $ 347,300                  
Debt instrument, repurchase amount         $ 6,400            
Senior Notes | 11.00% Second-Priority Senior Secured Notes - due April 2022 | Other Income (Expense)                      
Debt Instrument [Line Items]                      
Gain (loss) on extinguishment of debt       $ (13,200) $ 1,700            
Senior Notes | 7.50% Senior Notes – due May 2022                      
Debt Instrument [Line Items]                      
Debt instrument maturity date       May 31, 2022 May 31, 2022            
Debt instrument, interest rate, stated percentage       7.50% 7.50%            
Debt Instruments       $ 6,060 $ 6,060            
Senior Notes | 12.00% Second-Priority Senior Secured Notes - due January 2026                      
Debt Instrument [Line Items]                      
Debt instrument maturity date       Jan. 15, 2026              
Debt instrument frequency of periodic payment       semi-annually              
Debt instrument payment terms       semi-annually each January 15 and July 15              
Debt instrument, interest rate, stated percentage       12.00%             12.00%
Debt instrument redemption, description       At any time prior to January 15, 2023, the Company may redeem up to 40% of the principal amount of the 12.00% Notes at a redemption rate of 112.00% of the principal amount plus accrued and unpaid interest. At any time prior to January 15, 2023, the Company may also redeem some or all of the 12.00% Notes at a price equal to 100% of the principal amount of the 12.00% Notes, plus a “make-whole premium,” together with accrued and unpaid interest, if any, to, but excluding, the date of redemption. Thereafter, the Company may redeem all or a portion of the 12.00% Notes in whole at any time or in part from time to time at the following redemption prices (expressed as percentages of principal amount) plus accrued and unpaid interest if redeemed during the period commencing on January 15 of the years set forth below:              
Debt Instruments       $ 650,000              
Senior Notes | 12.00% Second-Priority Senior Secured Notes - due January 2026 | Forecast                      
Debt Instrument [Line Items]                      
Maximum percentage of principal amount option to redeem 40.00%                    
Line of Credit [Member]                      
Debt Instrument [Line Items]                      
Line of Credit Facility, Borrowing Capacity, Description       The Bank Credit Facility provides for determination of the borrowing base based on the Company’s proved producing reserves and a portion of the Company's proved undeveloped reserves.              
Line of Credit [Member] | Bank Credit Facility - matures November 2024                      
Debt Instrument [Line Items]                      
Debt Instruments       $ 375,000 $ 640,000            
Debt Instrument, Redemption, Period One | 7.50% Senior Notes – due May 2022                      
Debt Instrument [Line Items]                      
Debt instrument, redemption price, percentage       105.625%              
Debt Instrument, Redemption, Period One | Senior Notes | 12.00% Second-Priority Senior Secured Notes - due January 2026                      
Debt Instrument [Line Items]                      
Debt instrument, redemption price, percentage 112.00%                    
Debt Instrument, Redemption, Period Two | Senior Notes | 7.50% Senior Notes – due May 2022                      
Debt Instrument [Line Items]                      
Debt instrument, redemption price, percentage       100.00%              
Debt Instrument, Redemption, Period Two | Senior Notes | 12.00% Second-Priority Senior Secured Notes - due January 2026                      
Debt Instrument [Line Items]                      
Debt instrument, redemption price, percentage       100.00%