Summary of Significant Accounting Policies - Reconciliation of Net Income (loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Summary of Significant Accounting Policies
Net income (loss) attributable to Antero Resources Corporation-common shareholders	$ (20,444)	$ 17,808	$ (49,762)	$ 148,155
Add: Interest expense for 2026 Convertible Notes		470		1,555
Less: Tax-effect of interest expense for 2026 Convertible Notes		(101)		(334)
Net income (loss) attributable to Antero Resources Corporation-common shareholders and assumed conversions	$ (20,444)	$ 18,177	$ (49,762)	$ 149,376
Net income (loss) per common share-basic (in dollars per share)	$ (0.07)	$ 0.06	$ (0.16)	$ 0.50
Net income (loss) per common share-diluted (in dollars per share)	$ (0.07)	$ 0.06	$ (0.16)	$ 0.48
Weighted average common shares outstanding-basic (in shares)	311,025	300,141	308,932	298,461
Weighted average common shares outstanding-diluted (in shares)	311,025	311,534	308,932	310,958