Equity-Based Compensation - Phantom Unit Awards (Details) - Antero Midstream Partners Phantom Unit Awards $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($) $ / shares shares
Number of units
Total granted and unvested at the beginning of the period (in shares) | shares	1,331,961
Granted (in shares) | shares	340,773
Vested (in shares) | shares	(73,080)
Forfeited (in shares) | shares	(48,760)
Total awarded and unvested at the end of the period (in shares) | shares	1,550,894
Weighted average grant date fair value
Total granted and unvested at the beginning of the period (in dollars per share) | $ / shares	$ 27.31
Granted (in dollars per share) | $ / shares	32.45
Vested (in dollars per share) | $ / shares	21.34
Forfeited (in dollars per share) | $ / shares	28.85
Total awarded and unvested at the end of the period (in dollars per share) | $ / shares	$ 28.68
Aggregate intrinsic value
Outstanding at the beginning of the period | $	$ 41,131
Outstanding at the end of the period | $	51,459
Additional equity compensation to be recognized over the remaining period | $	$ 34,400
Weighted average period for recognizing unrecognized stock-based compensation expense	2 years 3 months 18 days