v3.3.0.814
Business and Organization (Details)
$ / shares in Units, $ in Millions
6 Months Ended 12 Months Ended
Sep. 23, 2015
USD ($)
item
shares
Nov. 10, 2014
USD ($)
$ / shares
shares
Jun. 30, 2015
shares
Dec. 31, 2014
shares
Business and Organization        
Threshold Non Operating Equity Percentage       15.00%
Contribution Agreement        
Business and Organization        
Common unitholders units issued 10,988,421      
Cash distribution | $ $ 552.5      
Debt assumed | $ 171.0      
Contribution Agreement | Contingent Consideration Period One        
Business and Organization        
Contingent consideration | $ $ 125.0      
Threshold number of barrels of water to trigger contingent consideration payment | item 176,295,000      
Contribution Agreement | Contingent Consideration Period Two        
Business and Organization        
Contingent consideration | $ $ 125.0      
Threshold number of barrels of water to trigger contingent consideration payment | item 219,200,000      
IPO        
Business and Organization        
Units issued   46,000,000    
Price per common unit of limited partnership | $ / shares   $ 25.00    
Publicly owned common units       46,000,000
Net proceeds received from shares of common stock sold | $   $ 1,100.0    
Common units redeemed   6,000,000    
Net proceeds retained | $   $ 250.0    
Private Placement        
Business and Organization        
Net proceeds received from shares of common stock sold | $ $ 241.0      
Private Placement | Contribution Agreement        
Business and Organization        
Cash distribution | $ $ 552.5      
Common Unitholders Public        
Business and Organization        
Publicly owned common units     46,024,054 46,000,000
Common unitholders units issued     46,024,054 46,000,000
Common Unitholder Antero        
Business and Organization        
Publicly owned common units     29,940,957 29,940,957
Common unitholders units issued     29,940,957 29,940,957
Subordinated Unitholder Antero        
Business and Organization        
Publicly owned common units     75,940,957 75,940,957
Common unitholders units issued     75,940,957 75,940,957
Antero Midstream Partners LP        
Business and Organization        
Ownership percentage (as a percent)       30.30%
Antero        
Business and Organization        
Antero common units       29,940,957
Subordinated units outstanding       75,940,957
Agreement term for providing gathering and compression services and certain fluid handling services     20 years 20 years
Agreement term for receiving seconded employees     20 years 20 years
Agreement term for receiving certain administrative services     20 years 20 years
Antero | IPO        
Business and Organization        
Debt repaid using the proceeds of IPO | $   $ 843.0    
Threshold Non Operating Equity Percentage     15.00%  
Antero | Antero Midstream Partners LP        
Business and Organization        
Ownership percentage (as a percent)       69.70%