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Fair value principal amount of debt instrument that was repurchased.

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Percentage of principal amount of debt redeemed.

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Face (par) amount of the original debt instrument that was repurchased.

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Long-Term Debt (Details) $ / shares in Units, $ in Thousands								3 Months Ended			12 Months Ended
	Jan. 27, 2022 USD ($)	Jun. 01, 2021 USD ($)	May 13, 2021 USD ($) $ / shares shares	Jan. 26, 2021 USD ($)	Jan. 12, 2021 USD ($) $ / shares shares	Jan. 04, 2021 USD ($)	Aug. 21, 2020 USD ($) D shares	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Nov. 02, 2021 USD ($)	Oct. 18, 2021 USD ($)	Jul. 01, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Sep. 02, 2020 USD ($)	Dec. 21, 2016 USD ($)	Mar. 17, 2015 USD ($)	Sep. 18, 2014 USD ($)	May 06, 2014 USD ($)
Long-Term Debt
Total principal									$ 2,175,205		$ 2,175,205	$ 3,129,198
Unamortized premium (discount), net									(27,772)		(27,772)	(111,886)
Unamortized debt issuance costs									(21,989)		(21,989)	(15,719)
Long-term debt									2,125,444		2,125,444	3,001,593
Issuance of convertible notes												287,500
Payments of deferred financing costs											31,474	8,984	$ 4,547
Loss on convertible note equitizations											50,777
Gain (loss) on extinguishment of debt repurchased											(93,191)	$ 175,962	$ 36,419
Number of shares of common stock issued (in shares) \| shares					31,400,000
Debt Repurchase Program
Long-Term Debt
Weighted average percentage discount on repurchases of debt												13.00%
Principal amount of debt repurchased												$ 1,400,000
Gain (loss) on extinguishment of debt repurchased												176,000
Prior credit facility
Long-Term Debt
Credit facility												$ 1,017,000
Weighted average interest rate (as a percent)												3.26%
Outstanding letters of credit									531,000		$ 531,000	$ 730,000
Prior credit facility \| Minimum
Long-Term Debt
Commitment fees on the unused portion during any period that is not an Investment Grade Period (as a percent)											0.30%
Prior credit facility \| Maximum
Long-Term Debt
Commitment fees on the unused portion during any period that is not an Investment Grade Period (as a percent)											0.375%
New Credit Facility
Long-Term Debt
Credit facility									0		$ 0
Current borrowing base									3,500,000		3,500,000
Lender commitments									1,500,000		$ 1,500,000
New Credit Facility \| Minimum
Long-Term Debt
Commitment fees on the unused portion during any period that is not an Investment Grade Period (as a percent)											0.375%
New Credit Facility \| Maximum
Long-Term Debt
Commitment fees on the unused portion during any period that is not an Investment Grade Period (as a percent)											0.50%
Senior notes due in 2021, 2022 and 2023 \| Debt Repurchase Program
Long-Term Debt
Weighted average percentage discount on repurchases of debt												10.00%
Principal amount of debt repurchased												$ 367,000
5.125 senior notes due 2022
Long-Term Debt
Senior notes												$ 660,516
Total principal																						$ 500,000	$ 600,000
Interest rate (as a percent)												5.125%											5.125%
Issue price as percentage of par value																						100.50%	100.00%
5.125 senior notes due 2022 \| Debt Repurchase Program
Long-Term Debt
Amount of debt repurchased																		$ 661,000
5.625% senior notes due 2023
Long-Term Debt
Senior notes												$ 574,182
Total principal																					$ 750,000
Interest rate (as a percent)												5.625%									5.625%
Issue price as percentage of par value																					100.00%
5.625% senior notes due 2023 \| Debt Repurchase Program
Long-Term Debt
Amount of debt repurchased																	$ 574,000
5.00% senior notes due 2025
Long-Term Debt
Senior notes									$ 584,635		$ 584,635	$ 590,000
Total principal																				$ 600,000
Interest rate (as a percent)									5.00%		5.00%	5.00%								5.00%
Issue price as percentage of par value																				100.00%
Redemption price											102.50%
Redemption price at which notes may be required to be repurchased in event of change of control											101.00%
Amount of debt repurchased									$ 15,000		$ 15,000
5.00% senior notes due 2025 \| On or after March 1, 2023
Long-Term Debt
Redemption price											100.00%
5.00% senior notes due 2025 \| Subsequent event \| Forecast
Long-Term Debt
Amount of debt repurchased	$ 585,000
Percentage of redeemed amount	101.25%
Premium on amount received								$ 7,000
8.375% Senior Notes Due 2026
Long-Term Debt
Senior notes						$ 500,000			$ 325,000		$ 325,000
Interest rate (as a percent)						8.375%			8.375%		8.375%
Issue price as percentage of par value						1.00%
Redemption price of the debt instrument in the event of change of control (as a percent)						101.00%
8.375% Senior Notes Due 2026 \| Debt Repurchase Program
Long-Term Debt
Amount of debt repurchased									$ 116,000	$ 175,000	$ 116,000					$ 175,000
Gain (loss) on extinguishment of debt repurchased									$ (10,000)	$ (17,000)
Percentage of redeemed amount									107.625%	108.375%
8.375% Senior Notes Due 2026 \| On or after January 15, 2024
Long-Term Debt
Redemption price						104.188%
8.375% Senior Notes Due 2026 \| On or after January 15, 2026
Long-Term Debt
Redemption price						100.00%
8.375% Senior Notes Due 2026 \| Prior to January 15, 2024
Long-Term Debt
Redemption price						100.00%
7.625% Senior Notes Due 2029
Long-Term Debt
Senior notes				$ 700,000					$ 584,000		$ 584,000
Interest rate (as a percent)				7.625%					7.625%		7.625%
Redemption price of the debt instrument in the event of change of control (as a percent)				101.00%
Amount of debt repurchased														$ 116,000	$ 116,000
7.625% Senior Notes Due 2029 \| On or after February 1, 2024
Long-Term Debt
Redemption price				103.813%
7.625% Senior Notes Due 2029 \| On or after February 1, 2027
Long-Term Debt
Redemption price				100.00%
7.625% Senior Notes Due 2029 \| On or before February 1, 2024
Long-Term Debt
Percentage of the principal amount of the debt instrument which the entity may redeem with the proceeds from certain equity offerings				35.00%
Redemption price of the debt instrument if redeemed with the proceeds of certain equity offerings (as a percent)				107.625%
7.625% Senior Notes Due 2029 \| Prior to February 1, 2024
Long-Term Debt
Redemption price				100.00%
5.375% senior notes due 2030
Long-Term Debt
Senior notes		$ 600,000							$ 600,000		$ 600,000
Interest rate (as a percent)		5.375%							5.375%		5.375%
Redemption price of the debt instrument in the event of change of control (as a percent)		101.00%
5.375% senior notes due 2030 \| On or after March 1, 2025
Long-Term Debt
Redemption price		102.688%
5.375% senior notes due 2030 \| On or after March 1, 2028
Long-Term Debt
Redemption price		100.00%
5.375% senior notes due 2030 \| On or Before March 1, 2025
Long-Term Debt
Percentage of the principal amount of the debt instrument which the entity may redeem with the proceeds from certain equity offerings		35.00%
Redemption price of the debt instrument if redeemed with the proceeds of certain equity offerings (as a percent)		105.375%
5.375% senior notes due 2030 \| Prior to March 1, 2025
Long-Term Debt
Redemption price		100.00%
4.25% convertible senior notes due 2026
Long-Term Debt
Convertible senior notes									$ 81,570		$ 81,570	$ 287,500
Total principal							$ 250,000												$ 37,500
Unamortized premium (discount), net							$ 116,000		(27,772)		(27,772)	(112,265)
Unamortized debt issuance costs									(1,592)		(1,592)	(5,852)
Long-term debt									$ 52,206		$ 52,206	$ 169,383
Interest rate (as a percent)							4.25%		4.25%		4.25%	4.25%
Issuance of convertible notes							$ 278,500
Payments of deferred financing costs							$ 9,000
Equity component									$ 32,799		$ 32,799	$ 115,601
Conversion rate in shares of Antero Resources' common stock per $1,000 principal amount \| shares							230.2026
If-converted value									329,000		329,000
If-converted value above principal amount									$ 247,000		$ 247,000
Effective interest rate (as a percent)							15.10%		15.30%		15.30%
Deferred taxes									$ 8,000		$ 8,000	28,000
Debt issuance cost									$ 1,000		1,000	3,000
Interest expenses											11,000	$ 8,000
Amount of debt converted											206,000
Amount of debt repurchased					$ 150,000
4.25% convertible senior notes due 2026 \| January Share Offering
Long-Term Debt
Conversion rate in shares of Antero Resources' common stock per $1,000 principal amount \| shares					275.3525
Amount of debt converted					$ 150,000
Loss on convertible note equitizations											39,000
Gain (loss) on extinguishment of debt repurchased											41,000
Line of credit proceeds used to repurchase convertible notes					$ 63,000
Number of shares of common stock issued (in shares) \| shares					31,400,000
Share price \| $ / shares					$ 6.35
4.25% convertible senior notes due 2026 \| May Share Offering
Long-Term Debt
Conversion rate in shares of Antero Resources' common stock per $1,000 principal amount \| shares			245.2802
Amount of debt converted			$ 56,000
Loss on convertible note equitizations											12,000
Gain (loss) on extinguishment of debt repurchased											$ 21,000
Line of credit proceeds used to repurchase convertible notes			$ 26,000
Number of shares of common stock issued (in shares) \| shares			11,600,000
Share price \| $ / shares			$ 11.01
4.25% convertible senior notes due 2026 \| Convertible debt threshold minimum percentage
Long-Term Debt
Stock price trigger							98.00%
Trading days \| D							5
Consecutive trading days \| D							10
4.25% convertible senior notes due 2026 \| Convertible debt threshold maximum percentage
Long-Term Debt
Stock price trigger							130.00%
Trading days \| D							20
Consecutive trading days \| D							30
4.25% convertible senior notes due 2026 \| Fair value
Long-Term Debt
Fair value							$ 172,000