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Represents the redemption price as a percentage of the principal amount at which the debt instrument may be required to be repurchased in the event of a change of control.

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

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

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Amount, after accumulated amortization, of debt discount (premium).

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Weighted average interest rate of long-term debt outstanding.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Long-Term Debt (Details) - USD ($) $ in Thousands		12 Months Ended
Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 30, 2016	Dec. 31, 2016	Dec. 31, 2014	Dec. 21, 2016	Sep. 13, 2016	Dec. 31, 2015	Sep. 23, 2015	Mar. 17, 2015	Sep. 18, 2014	May 06, 2014	Nov. 05, 2013
Long- term Debt
Long-term debt		$ 4,703,973				$ 4,668,782
Loss on Early Extinguishment of Debt		(16,956)	$ (20,386)
Antero Resources LLC
Long- term Debt
Net unamortized premium		1,749				6,513
Net unamortized debt issuance costs		(37,690)				(39,731)
Antero Midstream Partners LP
Long- term Debt
Net unamortized debt issuance costs		(10,086)
Outstanding balance							$ 525,000
Midstream Credit Facility Member \| Antero Midstream Partners LP
Long- term Debt
Bank credit facility long-term debt		210,000				620,000
Maximum amount of the Credit Facility		$ 1,500,000
Weighted average interest rate (as a percent)		2.23%
Midstream Credit Facility Member \| Minimum \| Antero Midstream Partners LP
Long- term Debt
Commitment fees on the unused portion (as a percent)		0.25%
Midstream Credit Facility Member \| Maximum \| Antero Midstream Partners LP
Long- term Debt
Commitment fees on the unused portion (as a percent)		0.375%
Bank credit facility \| Antero Resources LLC
Long- term Debt
Bank credit facility long-term debt		$ 440,000				$ 707,000
Current borrowing base		4,750,000
Lender commitments		$ 4,000,000
Weighted average interest rate (as a percent)		2.44%				2.32%
Outstanding letters of credit		$ 710,000				$ 702,000
Bank credit facility \| Minimum \| Antero Resources LLC
Long- term Debt
Commitment fees on the unused portion (as a percent)		0.375%
Bank credit facility \| Maximum \| Antero Resources LLC
Long- term Debt
Commitment fees on the unused portion (as a percent)		0.50%
6.00% senior notes due 2020 \| Antero Resources LLC
Long- term Debt
Long-term notes payable	$ 525,000					525,000
Interest rate (as a percent)	6.00%
Loss on Early Extinguishment of Debt	$ 17,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	103.00%
5.375% senior notes due 2021 \| Antero Resources LLC
Long- term Debt
Long-term notes payable		$ 1,000,000				1,000,000
Interest rate (as a percent)											5.375%
Senior notes issued											$ 1,000,000
Issue price as percentage of par value											100.00%
Redemption price at which notes may be required to be repurchased in event of change of control		101.00%
5.375% senior notes due 2021 \| On or after November 1, 2016 \| Antero Resources LLC
Long- term Debt
Redemption price		104.031%
5.375% senior notes due 2021 \| On or after November 1, 2019 \| Antero Resources LLC
Long- term Debt
Redemption price		100.00%
Stand-alone revolving note \| Antero Resources LLC
Long- term Debt
Maximum amount of the Credit Facility		$ 25,000
Outstanding balance		$ 0				0
Stand-alone revolving note \| Lender's Prime Rate \| Antero Resources LLC
Long- term Debt
Basis spread on variable rate (as a percent)		1.00%
5.125 senior notes due 2022 \| Antero Resources LLC
Long- term Debt
Long-term notes payable		$ 1,100,000				1,100,000
Interest rate (as a percent)										5.125%
Senior notes issued									$ 500,000	$ 600,000
Issue price as percentage of par value									100.50%	100.00%
Redemption price at which notes may be required to be repurchased in event of change of control		101.00%
5.125 senior notes due 2022 \| On or after June 1, 2017 \| Antero Resources LLC
Long- term Debt
Redemption price		103.844%
5.125 senior notes due 2022 \| On or before June 1, 2017 \| Antero Resources LLC
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)		105.125%
5.125 senior notes due 2022 \| Prior to June 1, 2017 \| Antero Resources LLC
Long- term Debt
Redemption price		100.00%
5.125 senior notes due 2022 \| On or after June 1, 2020 \| Antero Resources LLC
Long- term Debt
Redemption price of the debt instrument in the event of change of control (as a percent)		100.00%
5.625% senior notes due 2023 \| Antero Resources LLC
Long- term Debt
Long-term notes payable		$ 750,000				$ 750,000
Interest rate (as a percent)								5.625%
Senior notes issued								$ 750,000
Issue price as percentage of par value								100.00%
Redemption price at which notes may be required to be repurchased in event of change of control		101.00%
5.625% senior notes due 2023 \| On Or Before June 1, 2018 \| Antero Resources LLC
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)		105.625%
5.625% senior notes due 2023 \| On or after June 1, 2018 \| Antero Resources LLC
Long- term Debt
Redemption price		104.219%
5.625% senior notes due 2023 \| On Or After June 1, 2021 \| Antero Resources LLC
Long- term Debt
Redemption price		100.00%
5.625% senior notes due 2023 \| Prior to June 1, 2018 \| Antero Resources LLC
Long- term Debt
Redemption price		100.00%
5.375% senior notes due 2024 \| Antero Midstream Partners LP
Long- term Debt
Long-term notes payable		$ 650,000
Senior notes issued					$ 650,000
Issue price as percentage of par value					5.375%
Redemption price at which notes may be required to be repurchased in event of change of control		101.00%
5.375% senior notes due 2024 \| On or after September 15, 2019 \| Antero Midstream Partners LP
Long- term Debt
Redemption price		104.031%
5.375% senior notes due 2024 \| On or after September 15, 2022 \| Antero Midstream Partners LP
Long- term Debt
Redemption price		100.00%
5.375% senior notes due 2024 \| Prior to September 15, 2019 \| Antero Midstream Partners LP
Long- term Debt
Redemption price		100.00%
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%
5.00% senior notes due 2025 \| Antero Resources LLC
Long- term Debt
Long-term notes payable		$ 600,000
Interest rate (as a percent)				5.00%
Senior notes issued				$ 600,000
Issue price as percentage of par value				100.00%
Redemption price at which notes may be required to be repurchased in event of change of control		101.00%
5.00% senior notes due 2025 \| Prior to March 1, 2020 \| Antero Resources LLC
Long- term Debt
Redemption price		100.00%
5.00% senior notes due 2025 \| On or before March 1, 2020 \| Antero Resources LLC
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)		105.00%
5.00% senior notes due 2025 \| On or after March 1, 2020 \| Antero Resources LLC
Long- term Debt
Redemption price		103.75%
5.00% senior notes due 2025 \| On or after March1, 2023 \| Antero Resources LLC
Long- term Debt
Redemption price		100.00%