Quarterly report pursuant to Section 13 or 15(d)

Long-term Debt (Details)

v3.19.2
Long-term Debt (Details) - USD ($)
6 Months Ended
Jun. 28, 2019
Feb. 25, 2019
Sep. 13, 2016
Jun. 30, 2019
Dec. 31, 2018
May 09, 2018
Nov. 13, 2016
Long-term debt              
Net unamortized debt issuance costs       $ (24,016,000)      
Long-term debt, net       2,526,334,000      
AMGP Credit Facility | AMGP              
Long-term debt              
Long-term debt         $ 0    
Maximum borrowing capacity           $ 12,000,000  
New revolving credit facility              
Long-term debt              
Long-term debt       594,500,000      
New revolving credit facility | Antero Midstream Partners              
Long-term debt              
Long-term debt       595,000,000      
Maximum borrowing capacity       2,000,000,000.0      
Outstanding balance       $ 0      
Weighted average interest rate       3.79%      
New revolving credit facility | Investment Grade Period              
Long-term debt              
Margin rates (in basis points)       0.25%      
New revolving credit facility | Investment Grade Period | Minimum              
Long-term debt              
Commitment fees on the unused portion (as a percent)       0.175%      
New revolving credit facility | Investment Grade Period | Maximum              
Long-term debt              
Commitment fees on the unused portion (as a percent)       0.375%      
New revolving credit facility | Not Investment Grade Period | Minimum              
Long-term debt              
Commitment fees on the unused portion (as a percent)       0.25%      
New revolving credit facility | Not Investment Grade Period | Maximum              
Long-term debt              
Commitment fees on the unused portion (as a percent)       0.375%      
5.375% Senior Notes due 2024              
Long-term debt              
Long-term debt       $ 652,600,000      
5.375% Senior Notes due 2024 | Finance Corp and together with Antero Midstream Partners              
Long-term debt              
Face amount     $ 650,000,000        
Interest rate (as a percent)     5.375%       5.375%
Debt instrument redemption percentage upon change of control     101.00%        
5.375% Senior Notes due 2024 | Maximum | Finance Corp and together with Antero Midstream Partners              
Long-term debt              
Percent of aggregate principal amount that can be redeemed     35.00%        
5.375% Senior Notes due 2024 | Redemption period one | Finance Corp and together with Antero Midstream Partners              
Long-term debt              
Debt instrument redemption percentage     104.031%        
5.375% Senior Notes due 2024 | Redemption period two | Finance Corp and together with Antero Midstream Partners              
Long-term debt              
Debt instrument redemption percentage     100.00%        
5.375% Senior Notes due 2024 | Redemption period three | Finance Corp and together with Antero Midstream Partners              
Long-term debt              
Debt instrument redemption percentage     105.375%        
Debt instrument redemption percentage with payment of premium and interest     100.00%        
5.75% Senior Notes Due 2027              
Long-term debt              
Long-term debt       653,250,000      
Face amount   $ 650,000,000          
Interest rate (as a percent)   5.75%          
Debt instrument redemption percentage upon change of control   101.00%          
5.75% Senior Notes Due 2027 | Maximum              
Long-term debt              
Percent of aggregate principal amount that can be redeemed   35.00%          
5.75% Senior Notes Due 2027 | Redemption period one              
Long-term debt              
Debt instrument redemption percentage   102.875%          
5.75% Senior Notes Due 2027 | Redemption period two              
Long-term debt              
Debt instrument redemption percentage   100.00%          
5.75% Senior Notes Due 2027 | Redemption period three              
Long-term debt              
Debt instrument redemption percentage   105.75%          
Debt instrument redemption percentage with payment of premium and interest   100.00%          
5.75% Senior Notes Due 2028              
Long-term debt              
Long-term debt       $ 650,000,000      
Face amount $ 650,000,000            
Interest rate (as a percent) 5.75%            
Debt instrument redemption percentage upon change of control 101.00%            
5.75% Senior Notes Due 2028 | Maximum              
Long-term debt              
Percent of aggregate principal amount that can be redeemed 35.00%            
5.75% Senior Notes Due 2028 | Redemption period one              
Long-term debt              
Debt instrument redemption percentage 102.875%            
5.75% Senior Notes Due 2028 | Redemption period two              
Long-term debt              
Debt instrument redemption percentage 100.00%            
5.75% Senior Notes Due 2028 | Redemption period three              
Long-term debt              
Debt instrument redemption percentage 105.75%            
Debt instrument redemption percentage with payment of premium and interest 100.00%