Subsidiary Guarantors - Cash Flows (Details) - USD ($) $ in Thousands		9 Months Ended
	Mar. 30, 2016	Sep. 30, 2016	Sep. 30, 2015
Condensed consolidated statement of cash flows
Net cash provided by operating activities		$ 905,697	$ 841,154
Cash flows used in investing activities:
Additions to proved properties		(64,789)
Additions to unproved properties		(559,572)	(170,291)
Drilling and completion costs		(1,009,851)	(1,350,498)
Additions to water handling and treatment systems		(137,355)	(79,227)
Additions to gathering systems and facilities		(154,136)	(282,813)
Additions to other property and equipment		(1,747)	(5,225)
Investment in unconsolidated affiliate		(45,044)
Change in other assets		(2,173)	11,190
Proceeds from asset sales			40,000
Net cash used in investing activities		(1,974,667)	(1,836,864)
Cash flows from financing activities:
Issuance of common stock		837,414	537,832
Issuance of common units by Antero Midstream Partners LP		19,605	240,972
Proceeds from sale of common units in Antero Midstream Partners LP by Antero Resources Corporation		178,000
Issuance of senior notes		650,000	750,000
Repayments on bank credit facility, net		(552,000)	(705,000)
Payments of deferred financing costs		(9,029)	(17,190)
Distributions to noncontrolling interest in consolidated subsidiary		(51,238)	(21,358)
Employee tax withholding for settlement of equity compensation awards		(4,876)	(4,554)
Other		(3,867)	(3,561)
Net cash provided by financing activities		1,064,009	777,141
Net increase (decrease) in cash and cash equivalents		(4,961)	(218,569)
Cash and cash equivalents, beginning of period		23,473	245,979
Cash and cash equivalents, end of period		18,512	27,410
Antero Resources Corp
Cash flows from financing activities:
Proceeds from sale of common units in Antero Midstream Partners LP by Antero Resources Corporation	$ 178,000
Reportable legal entity | Antero Resources Corp
Condensed consolidated statement of cash flows
Net cash provided by operating activities		745,517	711,020
Cash flows used in investing activities:
Additions to proved properties		(64,789)
Additions to unproved properties		(559,572)	(170,291)
Drilling and completion costs		(1,108,806)	(1,350,498)
Additions to water handling and treatment systems			(79,227)
Additions to gathering systems and facilities		(1,367)	(40,264)
Additions to other property and equipment		(1,747)	(5,225)
Change in other assets		236	307
Net distributions (to) from guarantor subsidiary			(115,000)
Distributions from non-guarantor subsidiary		78,514	49,161
Proceeds from contribution of assets to non-guarantor subsidiary			804,630
Proceeds from asset sales			40,000
Net cash used in investing activities		(1,657,531)	(866,407)
Cash flows from financing activities:
Issuance of common stock		837,414	537,832
Proceeds from sale of common units in Antero Midstream Partners LP by Antero Resources Corporation		178,000
Issuance of senior notes			750,000
Repayments on bank credit facility, net		(102,000)	(1,115,000)
Payments of deferred financing costs		(89)	(15,234)
Employee tax withholding for settlement of equity compensation awards		(4,859)	(4,554)
Other		(3,751)	(3,544)
Net cash provided by financing activities		904,715	149,500
Net increase (decrease) in cash and cash equivalents		(7,299)	(5,887)
Cash and cash equivalents, beginning of period		16,590	15,787
Cash and cash equivalents, end of period		9,291	9,900
Reportable legal entity | Guarantor Subsidiary
Cash flows from financing activities:
Repayments on bank credit facility, net			(115,000)
Distributions to noncontrolling interest in consolidated subsidiary			115,000
Reportable legal entity | Non-Guarantor Subsidiaries
Condensed consolidated statement of cash flows
Net cash provided by operating activities		259,135	130,134
Cash flows used in investing activities:
Additions to water handling and treatment systems		(137,355)
Additions to gathering systems and facilities		(152,769)	(242,549)
Investment in unconsolidated affiliate		(45,044)
Change in other assets		(2,409)	10,883
Net cash used in investing activities		(337,577)	(231,666)
Cash flows from financing activities:
Issuance of common units by Antero Midstream Partners LP		19,605	240,972
Issuance of senior notes		650,000
Repayments on bank credit facility, net		(450,000)	525,000
Payments of deferred financing costs		(8,940)	(1,956)
Distributions to noncontrolling interest in consolidated subsidiary		(129,752)	(875,149)
Employee tax withholding for settlement of equity compensation awards		(17)
Other		(116)	(17)
Net cash provided by financing activities		80,780	(111,150)
Net increase (decrease) in cash and cash equivalents		2,338	(212,682)
Cash and cash equivalents, beginning of period		6,883	230,192
Cash and cash equivalents, end of period		9,221	17,510
Eliminations
Condensed consolidated statement of cash flows
Net cash provided by operating activities		(98,955)
Cash flows used in investing activities:
Drilling and completion costs		98,955
Net distributions (to) from guarantor subsidiary			115,000
Distributions from non-guarantor subsidiary		(78,514)	(49,161)
Proceeds from contribution of assets to non-guarantor subsidiary			(804,630)
Net cash used in investing activities		20,441	(738,791)
Cash flows from financing activities:
Distributions to noncontrolling interest in consolidated subsidiary		78,514	738,791
Net cash provided by financing activities		$ 78,514	$ 738,791