Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation - Phantom and Restricted Unit Awards (Details)

v3.5.0.2
Equity-Based Compensation - Phantom and Restricted Unit Awards (Details) - Antero Midstream Partners Phantom and Restricted Unit Awards
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 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 (62,728)
Total awarded and unvested at the end of the period (in shares) | shares 1,889,004
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 28.42
Total awarded and unvested at the end of the period (in dollars per share) | $ / shares $ 27.81
Aggregate intrinsic value  
Outstanding at the beginning of the period | $ $ 38,060
Outstanding at the end of the period | $ 52,647
Additional equity compensation to be recognized over the remaining period | $ $ 42,500
Weighted average period for recognizing unrecognized stock-based compensation expense 2 years 7 months 6 days