Condensed Consolidated Statements of Partners' Capital - USD ($) $ in Thousands	Common Unitholders Public	Common Unitholder Antero Resources	Subordinated Unitholder Antero Resources	General Partner	Total
Balance at Dec. 31, 2016	$ 1,458,410	$ 26,820	$ (269,963)	$ 7,543	$ 1,222,810
Partner' Capital
Net income and comprehensive income	25,609	37,929		11,553	75,091
Distributions to unitholders	(19,606)	(30,484)		(7,543)	(57,633)
Conversion of subordinated units to common units		(269,963)	269,963
Equity-based compensation	2,149	4,137			6,286
Issuance of common units, net of offering costs	223,119				223,119
Balance at Mar. 31, 2017	1,689,681	(231,561)		11,553	1,469,673
Balance at Dec. 31, 2016	1,458,410	26,820	$ (269,963)	7,543	1,222,810
Partner' Capital
Net income and comprehensive income					243,160
Balance at Sep. 30, 2017	1,708,930	(193,611)		19,067	1,534,386
Balance at Mar. 31, 2017	1,689,681	(231,561)		11,553	1,469,673
Partner' Capital
Net income and comprehensive income	29,769	42,079		15,328	87,176
Distributions to unitholders	(23,167)	(32,661)		(11,553)	(67,381)
Equity-based compensation	2,432	4,519			6,951
Issuance of common units upon vesting of equity-based compensation awards, net of units withheld for income taxes	627	(1,559)			(932)
Issuance of common units, net of offering costs	23,466				23,466
Balance at Jun. 30, 2017	1,722,808	(219,183)		15,328	1,518,953
Partner' Capital
Net income and comprehensive income	25,996	35,830		19,067	80,893
Distributions to unitholders	(24,856)	(34,839)		(15,328)	(75,023)
Equity-based compensation	2,558	4,641			7,199
Sale of units held by Antero Resources to public	(19,940)	19,940
Issuance of common units, net of offering costs	2,364				2,364
Balance at Sep. 30, 2017	1,708,930	(193,611)		19,067	1,534,386
Balance at Dec. 31, 2017	1,708,379	(215,682)		23,772	1,516,469
Partner' Capital
Net income and comprehensive income	37,524	42,128		28,453	108,105
Distributions to unitholders	(32,143)	(36,088)		(23,772)	(92,003)
Equity-based compensation	2,354	3,857			6,211
Issuance of common units upon vesting of equity-based compensation awards, net of units withheld for income taxes	32	(50)			(18)
Other	(5)				(5)
Balance at Mar. 31, 2018	1,716,141	(205,835)		28,453	1,538,759
Balance at Dec. 31, 2017	1,708,379	(215,682)		23,772	1,516,469
Partner' Capital
Net income and comprehensive income					337,335
Balance at Sep. 30, 2018	1,726,112	(199,365)		37,815	1,564,562
Balance at Mar. 31, 2018	1,716,141	(205,835)		28,453	1,538,759
Partner' Capital
Net income and comprehensive income	35,965	40,356		33,145	109,466
Distributions to unitholders	(34,647)	(38,559)		(28,461)	(101,667)
Equity-based compensation	2,141	3,726			5,867
Issuance of common units upon vesting of equity-based compensation awards, net of units withheld for income taxes	2,707	(4,007)			(1,300)
Other	8				8
Balance at Jun. 30, 2018	1,722,315	(204,319)		33,137	1,551,133
Partner' Capital
Net income and comprehensive income	38,629	43,319		37,816	119,764
Distributions to unitholders	(36,614)	(41,031)		(33,138)	(110,783)
Equity-based compensation	1,556	2,972			4,528
Issuance of common units upon vesting of equity-based compensation awards, net of units withheld for income taxes	225	(306)			(81)
Other	1				1
Balance at Sep. 30, 2018	$ 1,726,112	$ (199,365)		$ 37,815	$ 1,564,562