Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Common Stock	Additional paid-in capital	Accumulated earnings	Noncontrolling Interests	Total
Balances at Dec. 31, 2018	$ 3,086	$ 6,485,174	$ 1,177,548	$ 821,669	$ 8,487,477
Balances (in shares) at Dec. 31, 2018	308,594
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income taxes	$ 1	(451)			(450)
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income taxes (in shares)	147
Issuance of common units in Antero Midstream Partners LP upon vesting of equity-based compensation awards, net of units withheld for income taxes		(85)		56	(29)
Equity-based compensation		7,801		1,102	8,903
Net income (loss) and comprehensive income (loss)			978,763	46,993	1,025,756
Distributions to non-controlling interests				(85,076)	(85,076)
Effect of deconsolidation of Antero Midstream Partners LP		(359,039)		$ (784,744)	(1,143,783)
Balance at Mar. 31, 2019	$ 3,087	6,133,400	2,156,311		8,292,798
Balance (in shares) at Mar. 31, 2019	308,741
Balances at Dec. 31, 2019	$ 2,959	6,130,365	837,419		6,970,743
Balances (in shares) at Dec. 31, 2019	295,941,000
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income taxes	$ 2	(34)			(32)
Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income taxes (in shares)	178,000
Repurchases and retirements of common stock	$ (272)	(42,418)			(42,690)
Repurchases and retirements of common stock (in shares)	(27,193,000)
Equity-based compensation		3,329			3,329
Net income (loss) and comprehensive income (loss)			(338,810)		(338,810)
Balance at Mar. 31, 2020	$ 2,689	$ 6,091,242	$ 498,609		$ 6,592,540
Balance (in shares) at Mar. 31, 2020	268,926,000