Reportable Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) segment	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Operating results and assets of reportable segments
Number of reportable segments | segment			3
Sales and revenues:
Sales and revenues - Third-party	$ 2,201,294	$ 487,699	$ 2,987,713	$ 1,691,257
Sales and revenues - Intersegment	391	(619)	812	21
Revenues	2,201,685	487,080	2,988,525	1,691,278
Operating expenses:
Lease operating	25,253	21,645	43,033	46,192
General and administrative	44,439	32,177	80,130	76,251
Depletion, depreciation, and amortization	173,395	187,330	341,783	381,356
Impairment of oil and gas properties	23,363	9,303	45,825	43,365
Other	217,505	238,213	374,345	446,085
Total operating expenses	1,140,167	1,130,030	2,131,606	2,239,688
Operating income (loss)	1,061,518	(642,950)	856,919	(548,410)
Equity in earnings of unconsolidated affiliates	14,713	17,477	39,891	36,171
Capital expenditures for segment assets	260,864	182,591	476,740	305,749
Investments in unconsolidated affiliates	229,095		229,095		$ 232,399
Total assets	14,212,700		14,212,700		13,896,528
Gathering, compression, water handling and treatment, processing, and transportation
Operating expenses:
Cost of goods and services sold	656,212	641,362	1,246,490	1,246,439
Operating segments | Exploration and production
Sales and revenues:
Sales and revenues - Third-party	2,095,144	322,246	2,812,525	1,361,014
Sales and revenues - Intersegment	391	(619)	812	21
Revenues	2,095,535	321,627	2,813,337	1,361,035
Operating expenses:
Lease operating	25,253	21,645	43,033	46,192
General and administrative	44,439	32,177	80,130	76,251
Depletion, depreciation, and amortization	173,395	187,330	341,783	381,356
Impairment of oil and gas properties	23,363	9,303	45,825	43,365
Other	86,207	39,219	144,151	85,014
Total operating expenses	1,008,869	931,036	1,901,412	1,878,617
Operating income (loss)	1,086,666	(609,409)	911,925	(517,582)
Equity in earnings of unconsolidated affiliates	14,713	17,477	39,891	36,171
Capital expenditures for segment assets	260,864	182,591	476,740	305,749
Investments in unconsolidated affiliates	229,095		229,095		232,399
Total assets	14,156,611		14,156,611		13,864,402
Operating segments | Exploration and production | Gathering, compression, water handling and treatment, processing, and transportation
Operating expenses:
Cost of goods and services sold	656,212	641,362	1,246,490	1,246,439
Operating segments | Marketing
Sales and revenues:
Sales and revenues - Third-party	106,150	165,453	175,188	330,243
Revenues	106,150	165,453	175,188	330,243
Operating expenses:
Other	131,298	198,994	230,194	361,071
Total operating expenses	131,298	198,994	230,194	361,071
Operating income (loss)	(25,148)	(33,541)	(55,006)	(30,828)
Total assets	56,089		56,089		32,126
Operating segments | Antero Midstream Corporation
Sales and revenues:
Sales and revenues - Third-party	242	70	637	95
Sales and revenues - Intersegment	228,665	232,717	446,761	456,813
Revenues	228,907	232,787	447,398	456,908
Operating expenses:
General and administrative	16,079	14,251	34,010	32,181
Depletion, depreciation, and amortization	35,675	26,619	63,975	53,469
Impairment of midstream assets				1,379
Other	5,458	963	6,552	6,024
Total operating expenses	100,511	81,388	189,848	171,922
Operating income (loss)	128,396	151,399	257,550	284,986
Equity in earnings of unconsolidated affiliates	22,824	21,515	46,056	42,259
Capital expenditures for segment assets	77,767	45,976	162,034	74,365
Investments in unconsolidated affiliates	681,560		681,560		696,009
Total assets	5,585,501		5,585,501		5,544,001
Operating segments | Antero Midstream Corporation | Gathering, compression, water handling and treatment, processing, and transportation
Operating expenses:
Cost of goods and services sold	43,299	39,555	85,311	78,869
Elimination of intersegment transaction
Sales and revenues:
Sales and revenues - Third-party	(242)	(70)	(637)	(95)
Sales and revenues - Intersegment	(228,665)	(232,717)	(446,761)	(456,813)
Revenues	(228,907)	(232,787)	(447,398)	(456,908)
Operating expenses:
General and administrative	(16,079)	(14,251)	(34,010)	(32,181)
Depletion, depreciation, and amortization	(35,675)	(26,619)	(63,975)	(53,469)
Impairment of midstream assets				(1,379)
Other	(5,458)	(963)	(6,552)	(6,024)
Total operating expenses	(100,511)	(81,388)	(189,848)	(171,922)
Operating income (loss)	(128,396)	(151,399)	(257,550)	(284,986)
Equity in earnings of unconsolidated affiliates	(22,824)	(21,515)	(46,056)	(42,259)
Capital expenditures for segment assets	(77,767)	(45,976)	(162,034)	(74,365)
Investments in unconsolidated affiliates	(681,560)		(681,560)		(696,009)
Total assets	(5,585,501)		(5,585,501)		$ (5,544,001)
Elimination of intersegment transaction | Gathering, compression, water handling and treatment, processing, and transportation
Operating expenses:
Cost of goods and services sold	$ (43,299)	$ (39,555)	$ (85,311)	$ (78,869)