Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue:
Revenues from contracts with customers	$ 1,019,555	$ 713,837	$ 2,865,104	$ 2,175,389
Marketing derivative gains (losses)	(42)		94,081
Commodity derivative fair value gains (losses)	57,019	(65,957)	134,793	458,459
Total revenue and other	1,076,532	647,880	3,093,978	2,633,848
Operating expenses:
Production and ad valorem taxes	30,518	22,995	82,232	70,341
Impairment of unproved properties	221,094	41,000	406,068	83,098
Impairment of gathering systems and facilities	1,157		9,658
Depletion, depreciation, and amortization	243,186	206,968	709,480	610,879
Accretion of asset retirement obligations	710	658	2,101	1,944
General and administrative	59,860	62,203	181,576	191,000
Total operating expenses	1,071,728	719,932	2,975,444	2,080,814
Operating income (loss)	4,804	(72,052)	118,534	553,034
Other income (expenses):
Equity in earnings of unconsolidated affiliates	10,705	7,033	27,832	12,887
Interest	(74,528)	(70,059)	(208,303)	(205,311)
Total other expenses	(63,823)	(63,026)	(180,471)	(192,424)
Income (loss) before income taxes	(59,019)	(135,078)	(61,937)	360,610
Provision for income tax (expense) benefit	(18,953)	45,078	(2,500)	(105,087)
Net income (loss) and comprehensive income (loss) including noncontrolling interest	(77,972)	(90,000)	(64,437)	255,523
Net income and comprehensive income attributable to noncontrolling interest	76,447	45,063	211,534	127,322
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	$ (154,419)	$ (135,063)	$ (275,971)	$ 128,201
Earnings (loss) per common share:
Earnings (loss) per common share - basic (in dollars per share)	$ (0.49)	$ (0.43)	$ (0.87)	$ 0.41
Earnings (loss) per common share assuming dilution:
Earnings (loss) per common share—assuming dilution (in dollars per share)			$ (0.87)	$ 0.41
Weighted average number of shares outstanding
Basic (in shares)	317,082	315,463	316,850	315,275
Diluted (in shares)	317,082	315,463	316,850	316,140
Natural gas sales
Revenue:
Revenues from contracts with customers	$ 527,122	$ 409,141	$ 1,498,324	$ 1,330,062
Natural gas liquids sales
Revenue:
Revenues from contracts with customers	338,269	224,533	828,424	590,004
Oil sales
Revenue:
Revenues from contracts with customers	59,722	26,527	128,869	79,999
Gathering, compression, water handling and treatment
Revenue:
Revenues from contracts with customers	4,844	2,869	15,298	8,665
Operating expenses:
Cost of goods and services sold	326,504	282,134	926,228	815,710
Oil and Gas, Operation and Maintenance
Operating expenses:
Cost of goods and services sold	36,269	23,491	93,155	56,034
Marketing
Revenue:
Revenues from contracts with customers	89,598	50,767	394,189	166,659
Operating expenses:
Cost of goods and services sold	151,764	78,884	560,924	246,298
Exploration
Operating expenses:
Cost of goods and services sold	$ 666	$ 1,599	$ 4,022	$ 5,510