Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Information (Unaudited) (Details)

v3.10.0.1
Quarterly Financial Information (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Quarterly Financial Information (Unaudited)                      
Total income $ 43,492 $ 37,816 $ 33,145 $ 28,453 $ 23,772 $ 19,067 $ 15,328 $ 11,553 $ 142,906 $ 69,720 $ 16,944
Total expenses 11,979 10,803 11,509 9,560 8,941 8,932 12,834 10,427 43,851 41,134 814
Net income and comprehensive income 21,388 18,028 14,387 12,805 5,907 2,978 (3,261) $ (3,299) 66,608 2,325 $ 9,711
Net income attributable to Antero Midstream GP LP subsequent to IPO         5,907 2,978 (1,621)        
Net income attributable to vested Series B units (3,719) (598) (506) (413) (784)       (5,236) (784)  
Net income attributable to common shareholders $ 17,669 $ 17,430 $ 13,881 $ 12,392 $ 5,123 $ 2,978 $ (1,621)   $ 61,372 $ 6,480  
Net income per common share - basic and diluted $ 0.10 $ 0.09 $ 0.07 $ 0.07 $ 0.03 $ 0.02 $ (0.01)   $ 0.33 $ 0.03