Investments in Unconsolidated Affiliates (Details) $ in Thousands	2 Months Ended	3 Months Ended		6 Months Ended		10 Months Ended
	Mar. 12, 2019 USD ($)	Jun. 30, 2020 USD ($) item mi	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) item mi	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Investments in unconsolidated affiliates
Balance at beginning of period	$ 43,492			$ 709,639	$ 43,492
Distributions from unconsolidated affiliates	(43,492)				(43,492)
Investments in unconsolidated affiliates acquired from Antero Midstream Partners						$ 568,285
Additional investments				21,988		(154,359)
Equity in net income of unconsolidated affiliates		$ 20,947	$ 13,623	40,024	16,503	51,315
Distributions from unconsolidated affiliates				(41,828)	(23,860)	(64,320)
Balance at end of period		$ 729,823		$ 729,823		709,639
Antero Midstream Partners LP
Investments in unconsolidated affiliates
Balance at beginning of period	43,492				$ 43,492
Distributions from unconsolidated affiliates	$ (43,492)
Stonewall
Equity Method Investments
Ownership percentage		15.00%		15.00%
Number of miles of pipeline | mi		67		67
Investments in unconsolidated affiliates
Balance at beginning of period				$ 140,458
Investments in unconsolidated affiliates acquired from Antero Midstream Partners						142,071
Equity in net income of unconsolidated affiliates				3,160		4,117
Distributions from unconsolidated affiliates				(4,485)		(5,730)
Balance at end of period		$ 139,133		$ 139,133		140,458
MarkWest Joint venture
Equity Method Investments
Ownership percentage		50.00%		50.00%
Percentage of interest held by joint venture in third party fractionator in Ohio				33.33%
Number of fractionators | item		2		2
Investments in unconsolidated affiliates
Balance at beginning of period				$ 569,181
Investments in unconsolidated affiliates acquired from Antero Midstream Partners						426,214
Additional investments				21,988		(154,359)
Equity in net income of unconsolidated affiliates				36,864		47,198
Distributions from unconsolidated affiliates				(37,343)		(58,590)
Balance at end of period		$ 590,690		$ 590,690		$ 569,181