v3.3.0.814
Business and Organization (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 23, 2015
USD ($)
$ / shares
shares
Sep. 17, 2015
USD ($)
shares
bbl
Nov. 10, 2014
$ / shares
shares
Sep. 30, 2015
USD ($)
mi
shares
Business and Organization        
Subordinated units outstanding | shares       75,940,957
Cash distribution       $ 633,457
Regional Gathering System        
Business and Organization        
Threshold non-operating equity percentage       15.00%
Distance of regional gathering pipeline extension (in miles) | mi       50
Time period for expiration of participation in regional gathering pipeline extension       6 months
Contribution Agreement        
Business and Organization        
Common unitholders units issued | shares   10,988,421    
Cash distribution   $ 552,500    
Debt assumed   171,000    
Contribution Agreement | Contingent Consideration Period One        
Business and Organization        
Contingent consideration   $ 125,000    
Threshold number of barrels of water to trigger contingent consideration payment | bbl   176,295,000    
Contribution Agreement | Contingent Consideration Period Two        
Business and Organization        
Contingent consideration   $ 125,000    
Threshold number of barrels of water to trigger contingent consideration payment | bbl   219,200,000    
IPO        
Business and Organization        
Units issued | shares     46,000,000  
Price per common unit of limited partnership | $ / shares     $ 25.00  
Private Placement        
Business and Organization        
Price per common unit of limited partnership | $ / shares $ 18.84      
Common unitholders units issued | shares 12,898,000      
Net proceeds received from shares of common units sold $ 240,200 $ 241,000    
Common Unitholders Public        
Business and Organization        
Common unitholders units issued | shares       58,922,054
Common Unitholder Antero        
Business and Organization        
Common unitholders units issued | shares       40,929,378