Equity Based Compensation and Cash Awards (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended			12 Months Ended
	Mar. 12, 2019	Apr. 30, 2022	Jul. 31, 2020	Jan. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Common Stock
Number of units
Issuance of common stock upon conversion of performance share units (in shares)					1,002,000	856,000	507,000
AR LTIP
Additional disclosures
Equity based compensation expense allocated from Antero Resources					$ 0.4	$ 2.1	$ 5.2
AR LTIP | Maximum
Additional disclosures
Unamortized expense allocated from Antero Resources					0.1
AM LTIP
Additional disclosures
Vested equity awards					$ 18.0	12.0	$ 2.0
Number of stock-based compensation awards authorized					15,398,901
Number of shares available for future grant under the Plan					7,420,368
Cash awards accrued in other liabilities					$ 0.5	$ 1.1
AM LTIP | Executives
Additional disclosures
Vesting Period				3 years
Cash awards granted				$ 2.2
AM LTIP | Non-Executive Employees
Additional disclosures
Vesting Period			4 years
Cash awards granted			$ 0.7
AM LTIP RSUs
Number of units
Total awarded and unvested at the beginning of the period (in shares)					3,573,377
Granted (in shares)					2,750,896
Vested (in shares)					(1,269,848)
Forfeited (in shares)					(177,167)
Total awarded and unvested at the end of the period (in shares)					4,877,258	3,573,377
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)					$ 8.11
Granted (in dollars per unit)					11.28	$ 8.71	$ 6.32
Vested (in dollars per unit)					8.35
Forfeited (in dollars per unit)					9.43
Total awarded and unvested at the end of the period (in dollars per unit)					$ 9.79	$ 8.11
Additional disclosures
Unamortized expense					$ 34.0
Shares exchange ratio	1.8926
Weighted average period for recognizing unrecognized stock-based compensation expense					2 years 2 months 12 days
ROIC PSUs
Number of units
Total awarded and unvested at the beginning of the period (in shares)					116,526
Granted (in shares)					461,121
Vested (in shares)					(137,712)
Total awarded and unvested at the end of the period (in shares)					439,935	116,526
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)					$ 6.32
Granted (in dollars per unit)					11.05
Vested (in dollars per unit)					6.32
Total awarded and unvested at the end of the period (in dollars per unit)					$ 11.28	$ 6.32
Additional disclosures
Unamortized expense					$ 8.0
Weighted average period for recognizing unrecognized stock-based compensation expense					2 years 3 months 18 days
Vesting period								3 years
ROIC PSUs | Minimum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned								0.00%
ROIC PSUs | Maximum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned								200.00%
2019 ROIC PSUs
Number of units
Vested (in shares)					(137,712)
Total awarded and unvested at the end of the period (in shares)					0
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned					200.00%
2019 ROIC PSUs | Common Stock
Number of units
Issuance of common stock upon conversion of performance share units (in shares)					275,424
2022 ROIC PSUs
Additional disclosures
Vesting period		3 years
2022 ROIC PSUs | Minimum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned		0.00%
2022 ROIC PSUs | Maximum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned		200.00%