v3.10.0.1

Equity Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Additional disclosures
Equity-based compensation	$ 21,073	$ 27,283	$ 26,049
Antero Resources
Additional disclosures
Unamortized expense	$ 60,000
Midstream LTIP
Additional disclosures
Number of stock-based compensation awards authorized	10,000,000
Unamortized expense	$ 12,000
Number of shares available for future grant under the Plan	7,932,261
Weighted average period for recognizing unrecognized stock-based compensation expense	2 years 6 months
Restricted unit and phantom unit awards
Number of units
Total awarded and unvested at the beginning of the period (in shares)	1,042,963
Granted (in shares)	260,847
Vested (in shares)	(577,566)
Forfeited (in shares)	(143,244)
Total awarded and unvested at the end of the period (in shares)	583,000	1,042,963
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)	$ 28.69
Granted (in dollars per unit)	25.84
Vested (in dollars per unit)	28.63
Forfeited (in dollars per unit)	28.08
Total awarded and unvested at the end of the period (in dollars per unit)	$ 27.63	$ 28.69
Aggregate intrinsic value
Total awarded and unvested at the beginning of the period	$ 30,288
Total awarded and unvested at the end of the period	12,470	$ 30,288
Additional disclosures
Minimum statutory tax withholdings for restricted and phantom units	$ 5,500

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