Commitments (Details) $ in Thousands	1 Months Ended
Jan. 31, 2023 USD ($) MMBTU / d	Dec. 31, 2022 USD ($)
Future minimum payments
2023		$ 1,973,353
2024		1,867,655
2025		1,758,448
2026		1,666,419
2027		1,567,861
Thereafter		6,727,453
Total		15,561,189
Firm transportation
Future minimum payments
2023		1,173,987
2024		1,142,088
2025		1,118,820
2026		1,113,188
2027		1,108,603
Thereafter		5,438,753
Total		11,095,439
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
2023		71,650
2024		62,773
2025		51,471
2026		18,294
2027		17,006
Thereafter		85,038
Total		306,232
Operating and Financing Leases
Future minimum payments
2023		556,571
2024		521,185
2025		473,411
2026		444,681
2027		374,088
Thereafter		1,076,554
Total		3,446,490
Imputed Interest for Leases
Future minimum payments
2023		170,170
2024		141,609
2025		114,746
2026		90,256
2027		68,164
Thereafter		127,108
Total		712,053
Other
Future minimum payments
2023		975
Total		$ 975

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 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, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ 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
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- Details

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

Name:	us-gaap_OtherCommitmentsAxis=ar_OtherCommitmentsMember
Namespace Prefix:
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