XML 84 R59.htm IDEA: XBRL DOCUMENT v3.22.4
Fair Value Measurements (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jun. 23, 2021
USD ($)
Jun. 17, 2020
USD ($)
Aug. 20, 2018
USD ($)
Sep. 12, 2016
USD ($)
May 21, 2015
USD ($)
May 20, 2013
USD ($)
Assets:                  
Derivative Assets, Fair Value, Gross Asset $ 73,142 $ 24,334              
Liabilities:                  
Derivative Liability, Fair Value, Gross Liability (57,323) (345,202)              
Oil and Gas Properties                  
Property, Plant, and Equipment, Fair Value Disclosure 0 0              
Impairment of proved oil and gas properties and related support equipment 0 0 $ 956,650            
Abandonment and impairment of unproved properties 7,468 35,000 59,363            
Impairment $ 7,468 $ 35,000 $ 1,016,013            
10.0% Senior Secured Notes due 2025                  
Debt Instrument, Fair Value Disclosure [Abstract]                  
Senior Notes, interest rate, stated percentage 10.00% 10.00%     10.00%        
Senior Notes, Principal amount $ 0 $ 446,675     $ 446,700        
Fair value $ 0 $ 491,628              
5.0% Senior Unsecured Notes Due 2024                  
Debt Instrument, Fair Value Disclosure [Abstract]                  
Senior Notes, interest rate, stated percentage 5.00% 5.00%             5.00%
Senior Notes, Principal amount $ 0 $ 104,769             $ 500,000
Fair value $ 0 $ 104,583              
5.625% Senior Unsecured Notes Due 2025                  
Debt Instrument, Fair Value Disclosure [Abstract]                  
Senior Notes, interest rate, stated percentage 5.625% 5.625%           5.625%  
Senior Notes, Principal amount $ 349,118 $ 349,118           $ 500,000  
Fair value $ 337,821 $ 353,091              
6.75% Senior Unsecured Notes Due 2026                  
Debt Instrument, Fair Value Disclosure [Abstract]                  
Senior Notes, interest rate, stated percentage 6.75% 6.75%         6.75%    
Senior Notes, Principal amount $ 419,235 $ 419,235         $ 500,000    
Fair value $ 409,484 $ 431,787              
6.625% Senior Unsecured Notes Due 2027                  
Debt Instrument, Fair Value Disclosure [Abstract]                  
Senior Notes, interest rate, stated percentage 6.625% 6.625%       6.625%      
Senior Notes, Principal amount $ 416,791 $ 416,791       $ 500,000      
Fair value $ 402,120 $ 432,783              
6.5% Senior Unsecured Notes Due 2028                  
Debt Instrument, Fair Value Disclosure [Abstract]                  
Senior Notes, interest rate, stated percentage 6.50% 6.50%   6.50%          
Senior Notes, Principal amount $ 400,000 $ 400,000   $ 400,000          
Fair value 384,520 417,284              
Fair Value, Nonrecurring | Measurement Input, Discount Rate | Oil and Gas Properties                  
Oil and Gas Properties                  
Fair value assumptions, measurement input     0.11            
Not Designated as Hedging Instrument | Fair Value, Recurring | Fair Value, Inputs, Level 1                  
Assets:                  
Derivative Assets, Fair Value, Gross Asset 0 0              
Liabilities:                  
Derivative Liability, Fair Value, Gross Liability 0 0              
Not Designated as Hedging Instrument | Fair Value, Recurring | Fair Value, Inputs, Level 2                  
Assets:                  
Derivative Assets, Fair Value, Gross Asset 73,142 24,334              
Liabilities:                  
Derivative Liability, Fair Value, Gross Liability 57,323 345,202              
Not Designated as Hedging Instrument | Fair Value, Recurring | Fair Value, Inputs, Level 3                  
Assets:                  
Derivative Assets, Fair Value, Gross Asset 0 0              
Liabilities:                  
Derivative Liability, Fair Value, Gross Liability $ 0 $ 0