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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The amount of ownership interest of different classes of partners in limited partnership.

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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Significant Accounting Policies
Partners' capital	$ 25,126	$ 8,680	$ 25,126	$ 8,680	$ 23,084	$ 21,443	$ 15,608	$ 18,940	$ 14,648	$ 10,269
Income taxes
Statutory U.S. Federal tax rate (as a percent)	21.00%	35.00%	21.00%	35.00%
General and Administrative Expenses
Investment advisor retainer fee			$ 2,000
Net Income (Loss) per Common Share
Diluted weighted average number of common shares outstanding	186,208,000	191,175,000	186,199,000	191,191,000
Antidilutive securities excluded from computation of earnings per share			4,091,741
Antero Midstream
Significant Accounting Policies
Partners' capital	$ 0		$ 0
Consideration paid			0
Cost basis of interests	$ 0		$ 0
Antero Resources \| Antero Midstream
Significant Accounting Policies
Ownership percentage	52.90%		52.90%
Contract term			20 years