Summary of Significant Accounting Policies - Reconciliation of Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Summary of Significant Accounting Policies
Net income (loss) attributable to Antero Resources Corporation-common shareholders	$ 213,431	$ (156,419)
Add: Interest expense for 2026 Convertible Notes	616
Less: Tax-effect of interest expense for 2026 Convertible Notes	(132)
Net income (loss) attributable to Antero Resources Corporation-common shareholders and assumed conversions	$ 213,915	$ (156,419)
Income (loss) per share-basic (in dollars per share)	$ 0.72	$ (0.50)
Income (loss) per share-diluted (in dollars per share)	$ 0.69	$ (0.50)
Weighted average common shares outstanding-basic (in shares)	296,763	314,081
Weighted average common shares outstanding-diluted (in shares)	311,846	314,081