Condensed Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional paid-in capital	Accumulated earnings	Noncontrolling Interests	Total
Balance at Dec. 31, 2015	$ 2,770	$ 4,122,811	$ 1,808,811	$ 1,352,286	$ 7,286,678
Balance (in shares) at Dec. 31, 2015	277,036
Increase (Decrease) in Stockholders' Equity
Issuance of shares of common stock in public offering, net of underwriter discounts and offering costs	$ 365	1,012,066			1,012,431
Issuance of shares of common stock in public offering, net of underwriter discounts and offering costs (in shares)	36,493
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income tax withholdings	$ 14	(21,274)			(21,260)
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income tax withholdings (in shares)	1,348
Sale of common units of Antero Midstream Partners LP held by Antero Resources Corporation		106,659		6,419	113,078
Issuance of common units by subsidiary - Antero Midstream Partners LP				65,395	65,395
Issuance of common units in Antero Midstream LP upon vesting of equity-based compensation awards, net of units withheld for income tax withholdings		(15,190)		9,555	(5,635)
Equity-based compensation		94,409		8,012	102,421
Net income (loss) and comprehensive income (loss) including noncontrolling interest			(848,816)	99,368	(749,448)
Distributions to non-controlling interests				(75,082)	(75,082)
Balance at Dec. 31, 2016	$ 3,149	5,299,481	959,995	1,465,953	7,728,578
Balance (in shares) at Dec. 31, 2016	314,877
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income tax withholdings	$ 15	(18,244)			(18,229)
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income tax withholdings (in shares)	1,502
Sale of common units of Antero Midstream Partners LP held by Antero Resources Corporation		206,486		(19,940)	186,546
Issuance of common units by subsidiary - Antero Midstream Partners LP				248,956	248,956
Issuance of common units in Antero Midstream LP upon vesting of equity-based compensation awards, net of units withheld for income tax withholdings		(15,636)		9,691	(5,945)
Equity-based compensation		93,669		9,776	103,445
Net income (loss) and comprehensive income (loss) including noncontrolling interest			615,070	170,067	785,137
Effects of changes in ownership interests in consolidated subsidiaries		1,005,196		(1,005,196)
Distributions to non-controlling interests				(152,352)	(152,352)
Balance at Dec. 31, 2017	$ 3,164	6,570,952	1,575,065	726,955	8,876,136
Balance (in shares) at Dec. 31, 2017	316,379
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income tax withholdings	$ 13	(11,504)			(11,491)
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income tax withholdings (in shares)	1,360
Issuance of common units in Antero Midstream LP upon vesting of equity-based compensation awards, net of units withheld for income tax withholdings		(16,536)		11,007	(5,529)
Repurchases and retirements of common stock	$ (91)	(128,993)			(129,084)
Repurchases and retirements of common stock (in shares)	(9,145)
Equity-based compensation		62,618		7,796	70,414
Net income (loss) and comprehensive income (loss) including noncontrolling interest			(397,517)	351,816	(45,701)
Effects of changes in ownership interests in consolidated subsidiaries		8,637		(8,637)
Distributions to non-controlling interests				(267,271)	(267,271)
Other				3	3
Balance at Dec. 31, 2018	$ 3,086	$ 6,485,174	$ 1,177,548	$ 821,669	$ 8,487,477
Balance (in shares) at Dec. 31, 2018	308,594