Subsidiary Guarantors - Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue and other:
Revenue	$ 652,219		$ 969,477		$ 1,402,693	$ 2,084,145
Commodity derivative fair value gains (losses)	(168,015)		328,427		397,818	251,059
Gain on sale of assets			(951)			(951)
Total revenue	484,911		1,299,664		1,802,016	2,337,071
Operating expenses:
Production and ad valorem taxes	19,992		30,968		45,691	66,646
Impairment of oil and gas properties	37,350		130,999		126,570	212,243
Impairment of midstream assets						6,982
Depletion, depreciation, and amortization	214,035		242,302		413,712	482,503
Loss on sale of asset			951			951
Accretion of asset retirement obligations	1,111		918		2,215	1,894
General and administrative	38,403		42,382		69,624	110,584
Contract termination and rig stacking	11,071		5,604		11,071	13,964
Total operating expenses	1,091,833		1,199,668		2,146,505	2,270,782
Operating income (loss)	(606,922)		99,996		(344,489)	66,289
Equity in earnings (loss) of unconsolidated affiliates	20,228		13,585		(107,827)	27,666
Interest expense, net	(51,811)		(54,164)		(104,913)	(126,114)
Transaction expense	(6,138)				(6,138)
Impairment of equity investment					(610,632)
Gain on deconsolidation of Antero Midstream Partners LP						1,406,042
Gain on early extinguishment of debt	39,171				119,732
Total other income (expenses)	1,450		(40,579)		(709,778)	1,307,594
Income (loss) before income taxes	(605,472)		59,417		(1,054,267)	1,373,883
Provision for income tax (expense) benefit	142,404		(17,249)		252,389	(305,959)
Net income (loss) and comprehensive income (loss) including noncontrolling interests	(463,068)	$ (338,810)	42,168	$ 1,025,756	(801,878)	1,067,924
Less: Net income and comprehensive income attributable to noncontrolling interests	236				236	46,993
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	(463,304)		42,168		(802,114)	1,020,931
Natural gas sales
Revenue and other:
Revenue	367,415		553,372		778,497	1,210,638
Natural gas liquids sales
Revenue and other:
Revenue	212,197		303,963		469,870	617,648
Oil sales
Revenue and other:
Revenue	8,322		49,062		43,968	97,114
Gathering, compression, water handling and treatment
Revenue and other:
Revenue						4,479
Operating expenses:
Cost of goods and services sold	631,845		566,834		1,220,469	991,363
Marketing
Revenue and other:
Revenue	64,285		63,080		110,358	154,266
Operating expenses:
Cost of goods and services sold	113,053		137,539		206,326	300,623
Exploration
Operating expenses:
Cost of goods and services sold	231		314		441	440
Lease operating
Operating expenses:
Cost of goods and services sold	24,742		40,857		50,386	82,589
Other income
Revenue and other:
Revenue	707		1,760		1,505	1,867
Reportable legal entity | Parent (Antero)
Revenue and other:
Commodity derivative fair value gains (losses)	(165,676)		328,427		400,157	251,059
Gain on sale of assets						(951)
Total revenue	481,545		1,299,664		1,798,650	2,334,243
Operating expenses:
Production and ad valorem taxes	19,913		30,968		45,612	65,706
Impairment of oil and gas properties	37,350		130,999		126,570	212,243
Depletion, depreciation, and amortization	212,795		242,302		412,472	460,796
Loss on sale of asset			951			951
Accretion of asset retirement obligations	1,111		918		2,215	1,831
General and administrative	38,403		42,382		69,624	92,290
Contract termination and rig stacking	11,071		5,604		11,071	13,964
Total operating expenses	1,090,514		1,199,668		2,145,186	2,334,519
Operating income (loss)	(608,969)		99,996		(346,536)	(276)
Equity in earnings (loss) of unconsolidated affiliates	355		4,410		(39,957)	4,999
Interest expense, net	(51,811)		(54,164)		(104,913)	(109,299)
Equity in earnings (loss) of consolidated subsidiaries						15,021
Transaction expense	(6,138)				(6,138)
Impairment of equity investment					(143,849)
Gain on deconsolidation of Antero Midstream Partners LP						1,205,705
Gain on early extinguishment of debt	39,171				119,732
Total other income (expenses)	(18,423)		(49,754)		(175,125)	1,116,426
Income (loss) before income taxes	(627,392)		50,242		(521,661)	1,116,150
Provision for income tax (expense) benefit	142,404		(17,249)		252,389	(305,959)
Net income (loss) and comprehensive income (loss) including noncontrolling interests	(484,988)				(269,272)	810,191
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	(484,988)		32,993		(269,272)	810,191
Reportable legal entity | Parent (Antero) | Natural gas sales
Revenue and other:
Revenue	363,975		553,372		775,057	1,210,638
Reportable legal entity | Parent (Antero) | Natural gas liquids sales
Revenue and other:
Revenue	210,251		303,963		467,924	617,648
Reportable legal entity | Parent (Antero) | Oil sales
Revenue and other:
Revenue	7,965		49,062		43,611	97,114
Reportable legal entity | Parent (Antero) | Gathering, compression, water handling and treatment
Operating expenses:
Cost of goods and services sold	631,845		566,834		1,220,469	1,101,849
Reportable legal entity | Parent (Antero) | Marketing
Revenue and other:
Revenue	64,285		63,080		110,358	154,266
Operating expenses:
Cost of goods and services sold	113,053		137,539		206,326	300,623
Reportable legal entity | Parent (Antero) | Exploration
Operating expenses:
Cost of goods and services sold	231		314		441	440
Reportable legal entity | Parent (Antero) | Lease operating
Operating expenses:
Cost of goods and services sold	24,742		40,857		50,386	83,826
Reportable legal entity | Parent (Antero) | Other income
Revenue and other:
Revenue	745		1,760		1,543	3,518
Reportable legal entity | Guarantor Subsidiaries
Operating expenses:
Equity in earnings (loss) of unconsolidated affiliates	19,873		9,175		(67,870)	10,403
Impairment of equity investment					(466,783)
Gain on deconsolidation of Antero Midstream Partners LP						200,337
Total other income (expenses)	19,873		9,175		(534,653)	210,740
Income (loss) before income taxes	19,873		9,175		(534,653)	210,740
Net income (loss) and comprehensive income (loss) including noncontrolling interests	19,873				(534,653)	210,740
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	19,873		$ 9,175		(534,653)	210,740
Reportable legal entity | Non-Guarantor Subsidiaries (Martica)
Revenue and other:
Commodity derivative fair value gains (losses)	(2,339)				(2,339)
Total revenue	3,404				3,404	218,360
Operating expenses:
Production and ad valorem taxes	79				79
Impairment of midstream assets						6,982
Depletion, depreciation, and amortization	1,240				1,240	21,707
Accretion of asset retirement obligations						63
General and administrative	38				38	18,793
Accretion of contingent acquisition consideration						1,928
Total operating expenses	1,357				1,357	114,291
Operating income (loss)	2,047				2,047	104,069
Equity in earnings (loss) of unconsolidated affiliates						12,264
Interest expense, net						(16,815)
Total other income (expenses)						(4,551)
Income (loss) before income taxes	2,047				2,047	99,518
Net income (loss) and comprehensive income (loss) including noncontrolling interests	2,047				2,047	99,518
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	2,047				2,047	99,518
Reportable legal entity | Non-Guarantor Subsidiaries (Martica) | Natural gas sales
Revenue and other:
Revenue	3,440				3,440
Reportable legal entity | Non-Guarantor Subsidiaries (Martica) | Natural gas liquids sales
Revenue and other:
Revenue	1,946				1,946
Reportable legal entity | Non-Guarantor Subsidiaries (Martica) | Oil sales
Revenue and other:
Revenue	357				357
Reportable legal entity | Non-Guarantor Subsidiaries (Martica) | Gathering, compression, water handling and treatment
Revenue and other:
Revenue						218,360
Reportable legal entity | Non-Guarantor Subsidiaries (Martica) | Lease operating
Operating expenses:
Cost of goods and services sold						64,818
Eliminations
Revenue and other:
Total revenue	(38)				(38)	(215,532)
Operating expenses:
Production and ad valorem taxes						940
General and administrative	(38)				(38)	(499)
Accretion of contingent acquisition consideration						(1,928)
Total operating expenses	(38)				(38)	(178,028)
Operating income (loss)						(37,504)
Equity in earnings (loss) of consolidated subsidiaries						(15,021)
Total other income (expenses)						(15,021)
Income (loss) before income taxes						(52,525)
Net income (loss) and comprehensive income (loss) including noncontrolling interests						(52,525)
Less: Net income and comprehensive income attributable to noncontrolling interests	236				236	46,993
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	(236)				(236)	(99,518)
Eliminations | Gathering, compression, water handling and treatment
Revenue and other:
Revenue						(213,881)
Operating expenses:
Cost of goods and services sold						(110,486)
Eliminations | Lease operating
Operating expenses:
Cost of goods and services sold						(66,055)
Eliminations | Other income
Revenue and other:
Revenue	$ (38)				$ (38)	$ (1,651)