Summary of Significant Accounting Policies - Reconciliation of Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Summary of Significant Accounting Policies
Net income (loss) attributable to Antero Resources Corporation-common shareholders	$ 765,135	$ (523,467)	$ 608,716	$ (538,966)
Add: Interest expense for 2026 Convertible Notes	967		1,934
Less: Tax-effect of interest expense for 2026 Convertible Notes	(224)		(449)
Net income (loss) attributable to Antero Resources Corporation-common shareholders and assumed conversions	$ 765,878	$ (523,467)	$ 610,201	$ (538,966)
Income (loss) per share-basic (in dollars per share)	$ 2.46	$ (1.70)	$ 1.95	$ (1.78)
Income (loss) per share-diluted (in dollars per share)	$ 2.29	$ (1.70)	$ 1.81	$ (1.78)
Weighted average common shares outstanding-basic (in shares)	310,535	307,879	312,300	302,343
Weighted average common shares outstanding-diluted (in shares)	334,561	307,879	337,589	302,343