Long-Term Debt (Details) - USD ($) $ in Thousands						3 Months Ended		6 Months Ended
	Jul. 30, 2024	Jan. 16, 2024	Jun. 08, 2021	Jun. 28, 2019	Feb. 25, 2019	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Nov. 10, 2020	Mar. 12, 2019
Long-term debt
Total principal						$ 3,205,700		$ 3,205,700		$ 3,230,100
Unamortized debt premiums						1,087		1,087		1,291
Unamortized debt issuance costs						(20,210)		(20,210)		(18,175)
Total long-term debt						3,186,577		3,186,577		3,213,216
Loss on early extinguishment of debt						(13,691)		(13,750)
Repayment of credit facility								1,080,800	$ 558,600
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						647,690		647,690		647,313
5.75% Senior Notes Due 2028
Long-term debt
Total long-term debt						646,186		646,186		645,702
5.375% Senior Notes Due 2029
Long-term debt
Total long-term debt						743,985		743,985		743,470
6.625% Senior Notes Due 2032
Long-term debt
Total principal						600,000		600,000
Total long-term debt						$ 593,016		$ 593,016
Interest rate (as a percent)						6.625%		6.625%
Antero Midstream Partners | Prior credit facility
Long-term debt
Total principal						$ 555,700		$ 555,700		630,100
Weighted average interest rate (as a percent)						7.06%		7.06%
Outstanding letters of credit						$ 0		$ 0		$ 0
Weighted average interest rate (as a percent)										7.08%
Current borrowing capacity						1,250,000		1,250,000
Available borrowing capacity						694,000		694,000
Antero Midstream Partners | New credit facility | Subsequent event
Long-term debt
Current borrowing capacity	$ 1,250,000
Aggregate commitments unrestricted cash percentage	85.00%
Antero Midstream Partners | New credit facility | Minimum | Subsequent event
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 | Subsequent event
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 | Subsequent event
Long-term debt
Minimum principal outstanding amount	$ 50,000
Antero Midstream Partners | 5.75% Senior Notes Due 2028 | Subsequent event
Long-term debt
Minimum principal outstanding amount	50,000
Antero Midstream Partners | 5.375% Senior Notes Due 2029 | Subsequent event
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						548,000	$ 2,000	548,000
Loss on early extinguishment of debt						$ 14,000
Weighted average premium						101.974%	102.25%
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
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%