Subsidiary Guarantors - Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue and other:
Revenue	$ 750,474	$ 1,114,668
Commodity derivative fair value gains (losses)	565,833	(77,368)
Total revenue and other	1,317,105	1,037,407
Operating expenses:
Production and ad valorem taxes	25,699	35,678
Impairment of oil and gas properties	89,220	81,244
Impairment of midstream assets		6,982
Impairment of equity investments	(610,632)
Depletion, depreciation, and amortization	199,677	240,201
Accretion of asset retirement obligations	1,104	976
General and administrative	31,221	68,202
Contract termination and rig stacking	0	8,360
Total operating expenses	1,054,672	1,071,114
Operating income (loss)	262,433	(33,707)
Equity in earnings (loss) of unconsolidated affiliates	(128,055)	14,081
Interest expense, net	(53,102)	(71,950)
Gain on early extinguishment of debt	80,561
Gain on deconsolidation of Antero Midstream Partners LP		1,406,042
Total other income (expenses)	(711,228)	1,348,173
Income (loss) before income taxes	(448,795)	1,314,466
Provision for income tax (expense) benefit	109,985	(288,710)
Net income (loss) and comprehensive income (loss) including noncontrolling interests	(338,810)	1,025,756
Net income and comprehensive income attributable to noncontrolling interests		46,993
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	(338,810)	978,763
Natural gas sales
Revenue and other:
Revenue	411,082	657,266
Natural gas liquids sales
Revenue and other:
Revenue	257,673	313,685
Oil sales
Revenue and other:
Revenue	35,646	48,052
Commodity derivative fair value gains (losses)	35,646
Gathering, compression, water handling and treatment
Revenue and other:
Revenue		4,479
Commodity derivative fair value gains (losses)	565,833
Operating expenses:
Cost of goods and services sold	588,624	424,529
Marketing
Revenue and other:
Revenue	46,073	91,186
Operating expenses:
Cost of goods and services sold	93,273	163,084
Exploration
Operating expenses:
Cost of goods and services sold	210	126
Lease operating
Operating expenses:
Cost of goods and services sold	25,644	41,732
Other income
Revenue and other:
Revenue	798	107
Reportable legal entity | Parent (Antero)
Revenue and other:
Commodity derivative fair value gains (losses)	565,833	(77,368)
Total revenue and other	1,317,105	1,034,579
Operating expenses:
Production and ad valorem taxes	25,699	34,738
Impairment of oil and gas properties	89,220	81,244
Impairment of equity investments	(143,849)
Depletion, depreciation, and amortization	199,677	218,494
Accretion of asset retirement obligations	1,104	913
General and administrative	31,221	49,908
Contract termination and rig stacking		8,360
Total operating expenses	1,054,672	1,134,851
Operating income (loss)	262,433	(100,272)
Equity in earnings (loss) of unconsolidated affiliates	(40,312)	589
Interest expense, net	(53,102)	(55,135)
Gain on early extinguishment of debt	80,561
Equity in earnings (loss) of consolidated subsidiaries		15,021
Gain on deconsolidation of Antero Midstream Partners LP		1,205,705
Total other income (expenses)	(156,702)	1,166,180
Income (loss) before income taxes	105,731	1,065,908
Provision for income tax (expense) benefit	109,985	(288,710)
Net income (loss) and comprehensive income (loss) including noncontrolling interests	215,716	777,198
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	215,716	777,198
Reportable legal entity | Parent (Antero) | Natural gas sales
Revenue and other:
Revenue	411,082	657,266
Reportable legal entity | Parent (Antero) | Natural gas liquids sales
Revenue and other:
Revenue	257,673	313,685
Reportable legal entity | Parent (Antero) | Oil sales
Revenue and other:
Revenue		48,052
Commodity derivative fair value gains (losses)	35,646
Reportable legal entity | Parent (Antero) | Gathering, compression, water handling and treatment
Revenue and other:
Commodity derivative fair value gains (losses)	565,833
Operating expenses:
Cost of goods and services sold	588,624	535,015
Reportable legal entity | Parent (Antero) | Marketing
Revenue and other:
Revenue	46,073	91,186
Operating expenses:
Cost of goods and services sold	93,273	163,084
Reportable legal entity | Parent (Antero) | Exploration
Operating expenses:
Cost of goods and services sold	210	126
Reportable legal entity | Parent (Antero) | Lease operating
Operating expenses:
Cost of goods and services sold	25,644	42,969
Reportable legal entity | Parent (Antero) | Other income
Revenue and other:
Revenue	798	1,758
Reportable legal entity | Guarantor Subsidiaries
Operating expenses:
Impairment of equity investments	(466,783)
Equity in earnings (loss) of unconsolidated affiliates	(87,743)	1,228
Gain on deconsolidation of Antero Midstream Partners LP		200,337
Total other income (expenses)	(554,526)	201,565
Income (loss) before income taxes	(554,526)	201,565
Net income (loss) and comprehensive income (loss) including noncontrolling interests	(554,526)	201,565
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	$ (554,526)	201,565
Reportable legal entity | Non-Guarantor Subsidiaries
Revenue and other:
Total revenue and other		218,360
Operating expenses:
Impairment of midstream assets		6,982
Depletion, depreciation, and amortization		21,707
Accretion of asset retirement obligations		63
General and administrative		18,793
Accretion of contingent acquisition consideration		1,928
Total operating expenses		114,291
Operating income (loss)		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		99,518
Net income (loss) and comprehensive income (loss) including noncontrolling interests		99,518
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation		99,518
Reportable legal entity | Non-Guarantor Subsidiaries | Gathering, compression, water handling and treatment
Revenue and other:
Revenue		218,360
Reportable legal entity | Non-Guarantor Subsidiaries | Lease operating
Operating expenses:
Cost of goods and services sold		64,818
Eliminations
Revenue and other:
Total revenue and other		(215,532)
Operating expenses:
Production and ad valorem taxes		940
General and administrative		(499)
Accretion of contingent acquisition consideration		(1,928)
Total operating expenses		(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)
Net income and comprehensive income attributable to noncontrolling interests		46,993
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation		(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		$ (1,651)