Condensed Consolidated Statements of Equity - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands	Common Stock	Additional paid-in capital	Accumulated earnings	Noncontrolling Interests	Total
Balances at Dec. 31, 2017	$ 3,164	$ 6,570,952	$ 1,575,065	$ 726,955	$ 8,876,136
Shares Issued, Beginning Balance 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	$ 1	(1,067)			(1,066)
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income tax withholdings (in shares)	145
Issuance of common units in Antero Midstream LP upon vesting of equity-based compensation awards, net of units withheld for income tax withholdings		(50)		32	(18)
Equity-based compensation		18,802		2,354	21,156
Net income (loss) and comprehensive income (loss) including noncontrolling interest			14,833	65,977	80,810
Effects of changes in ownership interests in consolidated subsidiaries		(555)		555
Distributions to non-controlling interests				(55,915)	(55,915)
Other				(5)	(5)
Balances at Mar. 31, 2018	$ 3,165	$ 6,588,082	$ 1,589,898	$ 739,953	$ 8,921,098
Shares Issued, Ending Balance at Mar. 31, 2018	316,524