The additional overriding royalty percent of working interest on proved operated developed properties.

No definition available.

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Namespace Prefix:	ar_
Data Type:	dtr-types:percentItemType
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Period Type:	instant

- Definition

The amount of cash proceeds from achievement of applicable production thresholds.

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of additional contribution to be received upon achievement of production target.

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The period over which distribution received until the achievement of threshold cash on cash return.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The period over which distribution received until the achievement of threshold internal rate of return

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Horizontal wells burdened by the Development Override turned to sales, threshold one.

+ References

No definition available.

+ Details

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Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Horizontal wells burdened by the Development Override turned to sales, threshold two.

+ References

No definition available.

+ Details

Name:	ar_HorizontalWellsTurnedToSalesThresholdTwo
Namespace Prefix:	ar_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of net proceeds from a volumetric production payment ("VPP") transaction.

+ References

No definition available.

+ Details

Name:	ar_NetProceedsFromVolumetricProductionPaymentTransaction
Namespace Prefix:	ar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Overriding royalty interest conveyed in proved developed producing oil and gas properties.

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	dtr-types:weightItemType
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Period Type:	instant

- Definition

The percentage of overriding royalty interest to be received on distributions.

+ References

No definition available.

+ Details

Name:	ar_OverridingRoyaltyInterestDistributionsPercent
Namespace Prefix:	ar_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The overriding royalty percent of working interest on proved operated developed properties.

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The overriding royalty percent of working interest on undeveloped properties.

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The agreement term for overriding royalty interest.

+ References

No definition available.

+ Details

Name:	ar_OverridingRoyaltyInterestTerm
Namespace Prefix:	ar_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of total development capital spending to be funded by drilling partner in the years two through four under a drilling partnership.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of total development capital spending to be funded by drilling partner in the current fiscal year under a drilling partnership.

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of total development capital spending to be funded by drilling partner in the next twelve months under a drilling partnership.

+ References

No definition available.

+ Details

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Namespace Prefix:	ar_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash inflow from the sale of a noncontrolling interest in a Variable interest Entity (VIE).

+ References

No definition available.

+ Details

Name:	ar_ProceedsFromSaleOfNoncontrollingInterestInVariableInterestEntity
Namespace Prefix:	ar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of gain (loss) on sale or disposal of property with proven oil and gas reserves.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnSaleOfProvedProperty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_TypeOfArrangementAxis=ar_OverridingRoyaltyInterestTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=ar_SixthStreetPartnersLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ar_VolumetricProductionPaymentTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=ar_J.p.MorganVenturesEnergyCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ar_DrillingPartnershipTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
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- Details

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Transactions (Details) ft in Thousands, $ in Thousands				12 Months Ended
Transactions (Details) ft in Thousands, $ in Thousands	Aug. 10, 2020 USD ($)	Jul. 01, 2020 MMBTU	Jun. 15, 2020 USD ($) ft	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Transactions
Cash contribution				$ 51,000	$ 351,000
Net proceeds from VPP transaction					215,789
ORRI
Transactions
Initial PDP Override (as a percent)			1.25%
Development Override (as a percent)			3.75%
Horizontal wells turned to sales, threshold one (in lateral feet) \| ft			2,200
Horizontal wells turned to sales, threshold two (in lateral feet) \| ft			3,820
Incremental override (percentage)			2.00%
Percentage of distributions received			85.00%
ORRI \| Sixth Street
Transactions
Cash contribution			$ 300,000
Additional contribution upon achievement of production target			$ 102,000
Cash distributions received				$ 51,000	$ 51,000
Internal rate of return threshold			13.00%
Cash on cash return threshold			150.00%
VPP
Transactions
Net proceeds from VPP transaction	$ 216,000
VPP \| JPM -VEC
Transactions
Overriding royalty interest conveyed in proved developed producing oil and gas properties (in MMBtu) \| MMBTU		136,589,000
VPP agreement term for overriding royalty interest (in years)		7 years
Drilling Partnership \| QL
Transactions
Percent of total development capital spending in current year funded by drilling partner				20.00%
Percent of total development capital spending in the next year to be funded by drilling partner				15.00%
Gain (loss) on interests conveyed				$ 0
Drilling Partnership \| QL \| Minimum
Transactions
Percent of total development capital spending in years 2-4 to be funded by drilling partner				15.00%
Drilling Partnership \| QL \| Maximum
Transactions
Percent of total development capital spending in years 2-4 to be funded by drilling partner				20.00%