Subsidiary Guarantors - Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Condensed consolidated statement of operations and comprehensive income (loss)
Revenue	$ 1,772,415			$ 889,492			$ 4,450,839	$ 2,292,185
Operating expenses	1,218,496			1,134,700			3,460,472	3,281,205
Income (loss) from operations	(684,074)			(754,109)			(1,232,484)	(1,098,598)
Net income (loss) and comprehensive income (loss) including noncontrolling interests	(566,575)	$ (534,451)	$ (11,104)	(553,846)	$ (463,068)	$ (338,810)	(1,112,130)	(1,355,724)
Net income (loss) attributable to Antero Resources Corporation	$ (549,318)			$ (535,613)			(1,088,284)	$ (1,337,727)
Parent (Antero) And Guarantor Subsidiaries
Condensed consolidated statement of operations and comprehensive income (loss)
Revenue							2,220,306
Operating expenses							3,428,943
Income (loss) from operations							(1,208,637)
Net income (loss) and comprehensive income (loss) including noncontrolling interests							(1,088,283)
Net income (loss) attributable to Antero Resources Corporation							$ (1,088,283)