Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Details)

v3.21.1
Long-Term Debt (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Jan. 26, 2021
USD ($)
Jan. 12, 2021
USD ($)
$ / shares
shares
Jan. 04, 2021
USD ($)
Aug. 21, 2020
USD ($)
D
shares
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Sep. 02, 2020
USD ($)
Dec. 21, 2016
USD ($)
Mar. 17, 2015
USD ($)
Sep. 18, 2014
USD ($)
May 06, 2014
USD ($)
Long- term Debt                        
Total principal         $ 2,644,882   $ 3,129,198          
Unamortized premium (discount), net         (51,669)   (111,886)          
Unamortized debt issuance costs         (24,527)   (15,719)          
Long-term debt         2,568,686   3,001,593          
Payments of deferred financing costs         15,370              
Equity component of 2026 Convertible Notes, net         (116,381)              
Gain (loss) on extinguishment of debt repurchased         (43,204) $ 80,561            
Debt Repurchase Program                        
Long- term Debt                        
Notional amount debt repurchased           $ 383,000            
Weighted average percentage discount on repurchases of debt           21.00%            
Gain (loss) on extinguishment of debt repurchased           $ 81,000            
Credit Facility                        
Long- term Debt                        
Total principal         143,200   $ 1,017,000          
Current borrowing base         2,850,000              
Lender commitments         $ 2,640,000              
Weighted average interest rate (as a percent)         3.13%   3.26%          
Outstanding letters of credit         $ 742,000   $ 730,000          
Credit Facility | Minimum                        
Long- term Debt                        
Commitment fees on the unused portion during any period that is not an Investment Grade Period (as a percent)         0.30%              
Credit Facility | Maximum                        
Long- term Debt                        
Commitment fees on the unused portion during any period that is not an Investment Grade Period (as a percent)         0.375%              
5.375% senior notes due 2021                        
Long- term Debt                        
Interest rate (as a percent)         5.375%              
5.125 senior notes due 2022                        
Long- term Debt                        
Total principal             $ 660,516          
Interest rate (as a percent)         5.125%   5.125%         5.125%
Senior notes issued                     $ 500,000 $ 600,000
Issue price as percentage of par value                     100.50% 100.00%
5.125 senior notes due 2022 | Debt Repurchase Program                        
Long- term Debt                        
Notional amount debt repurchased         $ 661,000              
5.625% senior notes due 2023                        
Long- term Debt                        
Total principal         $ 574,182   $ 574,182          
Interest rate (as a percent)         5.625%         5.625%    
Senior notes issued                   $ 750,000    
Issue price as percentage of par value                   100.00%    
Redemption price         101.406%              
Redemption price at which notes may be required to be repurchased in event of change of control         101.00%              
Notional amount debt repurchased             176,000          
5.625% senior notes due 2023 | On Or After June 1, 2021                        
Long- term Debt                        
Redemption price         100.00%              
5.00% senior notes due 2025                        
Long- term Debt                        
Total principal         $ 590,000   590,000          
Interest rate (as a percent)         5.00%       5.00%      
Senior notes issued                 $ 600,000      
Issue price as percentage of par value                 100.00%      
Redemption price         102.50%              
Redemption price at which notes may be required to be repurchased in event of change of control         101.00%              
Notional amount debt repurchased             10,000          
5.00% senior notes due 2025 | On or after March1, 2023                        
Long- term Debt                        
Redemption price         100.00%              
8.375% Senior Notes Due 2026                        
Long- term Debt                        
Total principal         $ 500,000              
Interest rate (as a percent)     8.375%   8.375%              
Senior notes issued     $ 500,000                  
Issue price as percentage of par value     100.00%                  
Redemption price of the debt instrument in the event of change of control (as a percent)     101.00%                  
8.375% Senior Notes Due 2026 | On or after 15 January, 2024                        
Long- term Debt                        
Redemption price     104.188%                  
8.375% Senior Notes Due 2026 | On or after 15 January, 2026                        
Long- term Debt                        
Redemption price     100.00%                  
8.375% Senior Notes Due 2026 | On or before 15 January, 2024                        
Long- term Debt                        
Percentage of the principal amount of the debt instrument which the entity may redeem with the proceeds from certain equity offerings     35.00%                  
Redemption price of the debt instrument if redeemed with the proceeds of certain equity offerings (as a percent)     108.375%                  
8.375% Senior Notes Due 2026 | Prior to 15 January 2024                        
Long- term Debt                        
Redemption price     100.00%                  
7.625% Senior Notes Due 2029                        
Long- term Debt                        
Total principal         $ 700,000              
Interest rate (as a percent) 7.625%       7.625%              
Senior notes issued $ 700,000                      
Issue price as percentage of par value 100.00%                      
Redemption price of the debt instrument in the event of change of control (as a percent) 101.00%                      
7.625% Senior Notes Due 2029 | On or after 01 February, 2024                        
Long- term Debt                        
Redemption price 103.813%                      
7.625% Senior Notes Due 2029 | On or after 01 February, 2027                        
Long- term Debt                        
Redemption price 100.00%                      
7.625% Senior Notes Due 2029 | On or before 01 February, 2024                        
Long- term Debt                        
Percentage of the principal amount of the debt instrument which the entity may redeem with the proceeds from certain equity offerings 35.00%                      
Redemption price of the debt instrument if redeemed with the proceeds of certain equity offerings (as a percent) 107.625%                      
7.625% Senior Notes Due 2029 | Prior to 01 February 2024                        
Long- term Debt                        
Redemption price 100.00%                      
4.25% convertible senior notes due 2026                        
Long- term Debt                        
Total principal         $ 137,500   287,500          
Unamortized premium (discount), net       $ 116,000 (51,669)   (112,265)          
Unamortized debt issuance costs         (3,029)   (5,852)          
Long-term debt         $ 82,802   169,383          
Interest rate (as a percent)       4.25% 4.25%              
Issuance of convertible notes       $ 278,500                
Payments of deferred financing costs       $ 9,000                
Equity component         $ (14,755)   115,601          
Conversion rate in shares of Antero Resources' common stock per $1,000 principal amount | shares       230.2026                
If-converted value         323,000              
If-converted value above principal amount         185,000              
Effective interest rate       15.10%                
Debt issuance cost             3,000          
Deferred taxes             $ 28,000          
Interest expenses         4,400              
Senior notes issued       $ 250,000       $ 37,500        
Number of shares of common stock issued (in shares) | shares   31,400,000                    
Share price | $ / shares   $ 6.35                    
4.25% convertible senior notes due 2026 | Equitization Transaction                        
Long- term Debt                        
Conversion rate in shares of Antero Resources' common stock per $1,000 principal amount | shares   275.3525                    
Repurchase of equity component         116,000              
Deferred taxes         14,000              
Notional amount debt repurchased   $ 150,000                    
Loss on convertible note equitization         (39,000)              
Gain (loss) on extinguishment of debt repurchased         $ (43,000)              
Proceeds from Issuance or Sale of Equity   $ 63,000                    
4.25% convertible senior notes due 2026 | Convertible debt threshold minimum percentage                        
Long- term Debt                        
Stock price trigger       98.00%                
Trading days | D       5                
Consecutive trading days | D       10                
4.25% convertible senior notes due 2026 | Convertible debt threshold maximum percentage                        
Long- term Debt                        
Stock price trigger       130.00%                
Trading days | D       20                
Consecutive trading days | D       30                
4.25% convertible senior notes due 2026 | Fair value                        
Long- term Debt                        
Fair value       $ 172,000