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Antero Midstream Partners LP (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Feb. 06, 2017
USD ($)
shares
Sep. 23, 2015
USD ($)
bbl
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
shares
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
May 26, 2016
Antero Midstream Partners LP                
Investments in unconsolidated affiliates     $ 259,697   $ 259,697   $ 68,299  
Equity in earnings of unconsolidated affiliate     3,623 $ 484 5,854 $ 484    
Issuance of common stock           752,599    
Consideration:                
Amount borrowed on bank credit facility         $ 585,000 (427,000)    
Equity Transactions                
Proceeds From Sale Of Interest In Partnership Unit           $ 178,000    
Antero Midstream Partners LP                
Antero Midstream Partners LP                
Number of additional shares of common stock issued (in shares) | shares 6,900,000              
Issuance of common stock $ 223,000              
Antero Resources ownership in Antero Midstream         58.40%   60.90%  
Antero Midstream Partners LP | Contingent Consideration Period One                
Consideration:                
Contingent consideration   $ 125,000            
Threshold number of barrels of water to trigger contingent consideration payment | bbl   176,295,000            
Antero Midstream Partners LP | Contingent Consideration Period Two                
Consideration:                
Contingent consideration   $ 125,000            
Threshold number of barrels of water to trigger contingent consideration payment | bbl   219,200,000            
Antero Midstream Partners LP | At the Market Program                
Equity Transactions                
Units sold under At the Market program (in units) | shares         700,031      
Proceeds from issuance of common units         $ 23,100      
Remaining capacity under equity distribution agreement     159,900   159,900      
Antero Midstream Partners LP | Maximum | At the Market Program                
Equity Transactions                
Aggregate dollar amount of common units available for issuance and sale under equity distribution agreement         250,000      
Appalachia joint venture                
Antero Midstream Partners LP                
Ownership percentage 50.00%              
Appalachia joint venture | Antero Midstream Partners LP                
Antero Midstream Partners LP                
Investments in unconsolidated affiliates     192,100   192,100      
Equity in earnings of unconsolidated affiliate         800      
Percentage of interest held by joint venture in third party fractionator in Ohio 33.33%              
Appalachia joint venture | MarkWest | Antero Midstream Partners LP                
Antero Midstream Partners LP                
Ownership percentage 50.00%              
Regional gathering pipeline | Antero Midstream Partners LP                
Antero Midstream Partners LP                
Ownership percentage               15.00%
Investments in unconsolidated affiliates     $ 67,600   67,600      
Equity in earnings of unconsolidated affiliate         $ 5,100