Equity-Based Compensation - Phantom Unit Awards (Details) - Antero Midstream Partners Phantom Unit Awards $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares
Number of units
Total granted and unvested at the beginning of the period (in shares) | shares	1,667,832
Granted (in shares) | shares	290,254
Vested (in shares) | shares	(6,354)
Forfeited (in shares) | shares	(97,723)
Total awarded and unvested at the end of the period (in shares) | shares	1,854,009
Weighted average grant date fair value
Total granted and unvested at the beginning of the period (in dollars per share) | $ / shares	$ 28.97
Granted (in dollars per share) | $ / shares	21.24
Vested (in dollars per share) | $ / shares	24.98
Forfeited (in dollars per share) | $ / shares	28.63
Total awarded and unvested at the end of the period (in dollars per share) | $ / shares	$ 27.79
Aggregate intrinsic value
Outstanding at the beginning of the period | $	$ 38,060
Outstanding at the end of the period | $	49,502
Additional equity compensation to be recognized over the remaining period | $	$ 37,500
Weighted average period for recognizing unrecognized stock-based compensation expense	2 years 3 months 18 days