Commitments (Details) $ in Thousands	12 Months Ended
Dec. 31, 2023 USD ($) MMBTU / d	Dec. 31, 2022 USD ($)
Future minimum payments
2024	$ 1,948,319
2025	1,828,683
2026	1,737,868
2027	1,630,517
2028	1,495,014
Thereafter	5,332,557
Total	13,972,958
Firm transportation
Future minimum payments
2024	1,171,743
2025	1,158,209
2026	1,155,797
2027	1,151,152
2028	1,095,015
Thereafter	4,382,740
Total	$ 10,114,656
Commitments
Early termination of commitment per day (in MMBtu/d) \| MMBTU / d	200,000
Cash payment for early termination	$ 24,000
Gas processing, gathering and compression
Future minimum payments
2024	67,201
2025	55,853
2026	22,676
2027	21,387
2028	20,054
Thereafter	77,753
Total	264,924
Commitments
Cash payment for cancellation of construction project		$ 12,000
Operating and Financing Leases
Future minimum payments
2024	540,101
2025	479,666
2026	455,118
2027	381,598
2028	324,786
Thereafter	787,241
Total	2,968,510
Imputed Interest for Leases
Future minimum payments
2024	160,862
2025	130,080
2026	102,027
2027	76,380
2028	55,159
Thereafter	84,823
Total	609,331
Other.
Future minimum payments
2024	8,412
2025	4,875
2026	2,250
Total	$ 15,537

Represents the early termination of firm transportation commitment per day on the Equitrans pipeline.

No definition available.

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

- Definition

The amount of cash payment for cancellation of construction project.

+ References

No definition available.

+ Details

Name:	ar_PaymentForCancellationOfCommitment
Namespace Prefix:	ar_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of cash payment for early termination of firm transportation commitment which was funded by borrowings under our Credit Facility.

+ References

No definition available.

+ Details

Name:	ar_PaymentForEarlyTerminationOfCommitment
Namespace Prefix:	ar_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3

+ Details

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationDueAfterFifthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationDueInFifthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationDueInFourthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationDueInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationDueInSecondYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationDueInThirdYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationFiscalYearMaturityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_LongTermCommitmentExcludingUnconditionalPurchaseObligationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_OtherCommitmentsAxis=ar_FirmTransportationAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_OtherCommitmentsAxis=ar_LongTermGasProcessingAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=ar_OperatingAndFinancingLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_OtherCommitmentsAxis=us-gaap_LeaseAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_OtherCommitmentsAxis=ar_OtherCommitmentsMember
Namespace Prefix:
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