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The number of shares issued for each share of conversion.

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Period over which grantee's gained the right, by satisfying service requirements, to receive cash in accordance with the terms of the arrangement in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of noncash expense for share-based payment arrangement allocated from a related party.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Percentage of vesting of award under share-based payment arrangement.

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Equity Based Compensation and Cash Awards (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended			12 Months Ended
	Mar. 19, 2019	Jul. 31, 2020	Jan. 31, 2020	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2019	Dec. 31, 2021	Mar. 12, 2019
AR LTIP
Additional disclosures
Equity based compensation expense allocated from Antero Resources					$ 0.3	$ 1.1
Unamortized expense allocated from Antero Resources					$ 0.3
AM LTIP
Additional disclosures
Number of stock-based compensation awards authorized									15,398,901
Number of shares available for future grant under the Plan					10,158,912
Cash awards granted		$ 0.7	$ 2.2
Vesting period for cash awards		4 years	3 years
Cash awards accrued in other liabilities					$ 0.5			$ 1.0
AM LTIP RSUs
Number of units
Total awarded and unvested at the beginning of the period (in shares)				3,276,024	3,573,377
Vested (in shares)					(297,353)
Total awarded and unvested at the end of the period (in shares)					3,276,024
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)				$ 8.18	$ 8.11
Vested (in dollars per unit)					7.43
Total awarded and unvested at the end of the period (in dollars per unit)					$ 8.18
Additional disclosures
Unamortized expense					$ 18.6
Shares exchange ratio	1.8926
Weighted average period for recognizing unrecognized stock-based compensation expense					2 years 6 months
Converted AM RSU Awards
Additional disclosures
Unamortized expense					$ 0.1
ROIC PSUs
Additional disclosures
Unamortized expense					$ 0.3
Vesting period							3 years
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned				200.00%
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%