Summary of Significant Accounting Policies - Fair Value of Derivative Contracts (Details) $ in Thousands		12 Months Ended
	Feb. 06, 2017 shares	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)
Derivative Financial Instruments
Fair value of commodity derivative contracts		$ 1,600,000
Industry Segment and Geographic Information
Number of operating segments | segment		4
Basis of Presentation
Proceeds from issuance of stock		$ 1,012,431	$ 537,832
Morgan Stanley
Derivative Financial Instruments
Fair value of commodity derivative contracts		551,000
Barclays
Derivative Financial Instruments
Fair value of commodity derivative contracts		392,000
JP Morgan
Derivative Financial Instruments
Fair value of commodity derivative contracts		306,000
Wells Fargo
Derivative Financial Instruments
Fair value of commodity derivative contracts		159,000
Scotiabank
Derivative Financial Instruments
Fair value of commodity derivative contracts		136,000
Toronto Dominion Bank
Derivative Financial Instruments
Fair value of commodity derivative contracts		32,000
Canadian Imperial Bank of Commerce
Derivative Financial Instruments
Fair value of commodity derivative contracts		58,000
Fifth Third Bank
Derivative Financial Instruments
Fair value of commodity derivative contracts		12,000
Bank of Montreal
Derivative Financial Instruments
Fair value of commodity derivative contracts		10,000
Capital One
Derivative Financial Instruments
Fair value of commodity derivative contracts		2,000
Antero Resources LLC | Bank credit facility
Basis of Presentation
Current borrowing base		$ 4,750,000
Antero Midstream Partners LP | Subsequent event
Basis of Presentation
Sale of common stock (in shares) | shares	6,900,000