Long-Term Debt (Details) - USD ($) $ in Thousands						3 Months Ended	9 Months Ended
	Jul. 30, 2024	Jan. 16, 2024	Jun. 08, 2021	Jun. 28, 2019	Feb. 25, 2019	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Nov. 10, 2020	Mar. 12, 2019
Long-term debt
Total principal						$ 3,189,900	$ 3,189,900		$ 3,230,100
Unamortized debt premiums						985	985		1,291
Unamortized debt issuance costs						(19,221)	(19,221)		(18,175)
Total long-term debt						3,171,664	3,171,664		3,213,216
Loss on early extinguishment of debt						(341)	(14,091)
Repayment of credit facility							1,389,700	$ 864,900
New credit facility
Long-term debt
Current borrowing capacity						710,000	710,000
7.875% Senior Notes Due 2026
Long-term debt
Total long-term debt									546,631
5.75% Senior Notes Due 2027
Long-term debt
Total long-term debt						647,883	647,883		647,313
5.75% Senior Notes Due 2028
Long-term debt
Total long-term debt						646,435	646,435		645,702
5.375% Senior Notes Due 2029
Long-term debt
Total long-term debt						744,251	744,251		743,470
6.625% Senior Notes Due 2032
Long-term debt
Total long-term debt						$ 593,195	$ 593,195
Interest rate (as a percent)						6.625%	6.625%
Antero Midstream Partners | Prior credit facility
Long-term debt
Total principal						$ 539,900	$ 539,900		630,100
Weighted average interest rate (as a percent)						6.59%	6.59%
Outstanding letters of credit						$ 0	$ 0		$ 0
Weighted average interest rate (as a percent)									7.08%
Antero Midstream Partners | New credit facility
Long-term debt
Current borrowing capacity	$ 1,250,000
Threshold time period related to maturity date	91 days
Aggregate commitments unrestricted cash percentage	85.00%
Antero Midstream Partners | New credit facility | Minimum
Long-term debt
Debt instrument variable rate (as a percent)	1.50%
Commitment fees on the unused portion (as a percent)	0.25%
Antero Midstream Partners | New credit facility | Maximum
Long-term debt
Debt instrument variable rate (as a percent)	2.50%
Commitment fees on the unused portion (as a percent)	0.375%
Antero Midstream Partners | 5.75% Senior Notes Due 2027
Long-term debt
Minimum principal outstanding amount	$ 50,000
Finance Corp and together with Antero Midstream Partners | 7.875% Senior Notes Due 2026
Long-term debt
Total principal									$ 550,000
Interest rate (as a percent)									7.875%	7.875%
Face amount										$ 550,000
Amount of debt repurchased						550,000	550,000
Loss on early extinguishment of debt							$ 14,000
Weighted average premium							101.975%
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2027
Long-term debt
Total principal						$ 650,000	$ 650,000		$ 650,000
Unamortized debt premiums											$ 3,300
Interest rate (as a percent)					5.75%	5.75%	5.75%		5.75%
Face amount					$ 650,000
Debt instrument fair value											$ 653,300
Debt instrument redemption percentage upon change of control					101.00%
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2027 | Redemption period one
Long-term debt
Debt instrument redemption percentage					100.958%
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2027 | Redemption period two
Long-term debt
Debt instrument redemption percentage					100.00%
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2028
Long-term debt
Total principal						$ 650,000	$ 650,000		$ 650,000
Interest rate (as a percent)				5.75%		5.75%	5.75%		5.75%
Face amount				$ 650,000
Debt instrument redemption percentage upon change of control				101.00%
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2028 | Redemption period one
Long-term debt
Debt instrument redemption percentage				101.917%
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2028 | Redemption period two
Long-term debt
Debt instrument redemption percentage				100.00%
Finance Corp and together with Antero Midstream Partners | 5.375% Senior Notes Due 2029
Long-term debt
Total principal			$ 750,000			$ 750,000	$ 750,000		$ 750,000
Interest rate (as a percent)			5.375%			5.375%	5.375%		5.375%
Debt instrument redemption percentage upon change of control			101.00%
Finance Corp and together with Antero Midstream Partners | 5.375% Senior Notes Due 2029 | Redemption period one
Long-term debt
Debt instrument redemption percentage			102.688%
Finance Corp and together with Antero Midstream Partners | 5.375% Senior Notes Due 2029 | Redemption period two
Long-term debt
Debt instrument redemption percentage			100.00%
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032
Long-term debt
Total principal						$ 600,000	$ 600,000
Interest rate (as a percent)		6.625%
Face amount		$ 600,000
Debt instrument redemption percentage upon change of control		101.00%
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period one
Long-term debt
Debt instrument redemption percentage		103.313%
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period two
Long-term debt
Debt instrument redemption percentage		100.00%
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period three
Long-term debt
Debt instrument redemption percentage		106.625%
Debt instrument redemption percentage with payment of premium and interest		100.00%
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period three | Maximum
Long-term debt
Percent of aggregate principal amount that can be redeemed		35.00%