Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investments (Details)

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Equity Method Investments (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 06, 2017
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2016
Investments in unconsolidated affiliates            
Equity in earnings of unconsolidated affiliates   $ 9,264 $ 3,623 $ 17,126 $ 5,854  
Distributions of earnings from unconsolidated affiliates       (17,895) $ (5,820)  
Antero Midstream Partners LP            
Investments in unconsolidated affiliates            
Balance at beginning of period       303,302    
Investments       56,297    
Equity in earnings of unconsolidated affiliates       17,126    
Distributions of earnings from unconsolidated affiliates       (17,895)    
Balance at end of period   358,830   358,830    
Antero Midstream Partners LP | Stonewall            
Equity Method Investments            
Ownership percentage           15.00%
Investments in unconsolidated affiliates            
Balance at beginning of period       67,128    
Equity in earnings of unconsolidated affiliates       5,542    
Distributions of earnings from unconsolidated affiliates       (4,590)    
Balance at end of period   68,080   68,080    
Antero Midstream Partners LP | Appalachia joint venture            
Equity Method Investments            
Percentage of interest held by joint venture in third party fractionator in Ohio 33.33%          
Antero Midstream Partners LP | MarkWest            
Investments in unconsolidated affiliates            
Balance at beginning of period       236,174    
Investments       56,297    
Equity in earnings of unconsolidated affiliates       11,584    
Distributions of earnings from unconsolidated affiliates       (13,305)    
Balance at end of period   $ 290,750   $ 290,750    
Antero Midstream Partners LP | MarkWest | Appalachia joint venture            
Equity Method Investments            
Ownership percentage 50.00%