Equity Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Additional disclosures
Equity-based compensation	$ 7,199	$ 6,599	$ 20,436	$ 19,366
Midstream LTIP
Additional disclosures
Number of stock-based compensation awards authorized	10,000,000		10,000,000
Unamortized expense	$ 30,400		$ 30,400
Number of shares available for future grant under the Plan	7,656,134		7,656,134
Weighted average period for recognizing unrecognized stock-based compensation expense			2 years 2 months 12 days
Restricted unit and phantom unit awards
Number of units
Total awarded and unvested at the beginning of the period (in shares)			1,331,961
Granted (in shares)			377,660
Vested (in shares)			(73,080)
Forfeited (in shares)			(78,584)
Total awarded and unvested at the end of the period (in shares)	1,557,957		1,557,957
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)			$ 27.31
Granted (in dollars per unit)			32.52
Vested (in dollars per unit)			21.34
Forfeited (in dollars per unit)			28.75
Total awarded and unvested at the end of the period (in dollars per unit)	$ 28.78		$ 28.78
Aggregate intrinsic value
Total awarded and unvested at the beginning of the period			$ 41,131
Total awarded and unvested at the end of the period	$ 49,122		49,122
Various equity based compensation plans | Antero Resources
Additional disclosures
Unamortized expense	$ 140,100		$ 140,100