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Transactions with Affiliates (Details) - Antero Resources - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Allocation of costs        
Direct labor expenses $ 1.8 $ 0.0 $ 4.1 $ 0.0
General and administrative expense $ 9.6 $ 0.1 $ 23.5 $ 0.4