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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Income tax rate	21.00%	21.00%	35.00%
Investment in Antero Midstream Partners	$ 28,381
Federal
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	277,000
State
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 202,000