Equity-Based Compensation - Phantom Unit Awards (Details) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($) $ / shares shares
Antero Midstream Partners Phantom Unit Awards
Number of units
Total awarded and unvested at the beginning of the period (in shares)	657,757
Vested (in shares)	(293,868)
Forfeited (in shares)	(22,577)
Total awarded and unvested at the end of the period (in shares)	341,312
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per share) \| $ / shares	$ 14.71
Vested (in dollars per share) \| $ / shares	14.13
Forfeited (in dollars per share) \| $ / shares	14.09
Total awarded and unvested at the end of the period (in dollars per share) \| $ / shares	$ 15.24
Aggregate intrinsic value
Outstanding at the beginning of the period \| $	$ 4,992
Outstanding at the end of the period \| $	1,741
Additional equity compensation to be recognized over the remaining period \| $	$ 4,000
Weighted average period for recognizing unrecognized stock-based compensation expense	1 year 3 months 18 days
Restricted stock and restricted stock unit
Number of units
Total awarded and unvested at the beginning of the period (in shares)	2,370,575
Granted (in shares)	4,644,934
Vested (in shares)	(872,749)
Forfeited (in shares)	(111,014)
Total awarded and unvested at the end of the period (in shares)	6,031,746
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per share) \| $ / shares	$ 12.81
Granted (in dollars per share) \| $ / shares	2.39
Vested (in dollars per share) \| $ / shares	13.50
Forfeited (in dollars per share) \| $ / shares	12.53
Total awarded and unvested at the end of the period (in dollars per share) \| $ / shares	$ 4.69
Aggregate intrinsic value
Additional equity compensation to be recognized over the remaining period \| $	$ 24,000
Weighted average period for recognizing unrecognized stock-based compensation expense	2 years 1 month 6 days
Antero Midstream Corporation \| Midstream Plan
Aggregate intrinsic value
Conversion rate of units converted into restricted stock	1.8926

Ratio applied to the conversion of units into restricted stock.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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