Subsidiary Guarantors - Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Current assets:
Accounts receivable	$ 91,944	$ 46,419
Accounts receivable, related parties		125,000
Accrued revenue	201,320	317,886
Derivative instruments	816,444	422,849
Other current assets	10,313	10,731
Total current assets	1,120,021	922,885
Unproved properties	1,289,770	1,368,854
Proved properties	12,154,162	11,859,817
Gathering systems and facilities	5,802	5,802
Other property and equipment	72,312	71,895
Property and equipment, gross	13,522,046	13,306,368
Less accumulated depletion, depreciation, and amortization	(3,527,306)	(3,327,629)
Property and equipment, net	9,994,740	9,978,739
Operating leases right-of-use assets	2,814,539	2,886,500
Derivative instruments	284,461	333,174
Investments in unconsolidated affiliates	291,989	1,055,177	$ 1,989,612
Other assets	20,039	21,094
Total assets	14,525,789	15,197,569	$ 17,288,730
Liabilities and Stockholders' Equity
Accounts payable	37,909	14,498
Accounts payable, related parties	88,894	97,883
Accrued liabilities	367,444	400,850
Revenue distributions payable	174,654	207,988
Derivative instruments		6,721
Short-term lease liabilities	295,658	305,320
Other current liabilities	7,315	6,879
Total current liabilities	971,874	1,040,139
Long-term debt	3,707,787	3,758,868
Deferred income tax liability	672,002	781,987
Derivative instruments	215	3,519
Long-term lease liabilities	2,520,939	2,583,678
Other liabilities	60,432	58,635
Total liabilities	7,933,249	8,226,826
Common stock	2,689	2,959
Additional paid-in capital	6,091,242	6,130,365
Accumulated earnings	498,609	837,419
Total equity	6,592,540	6,970,743
Total liabilities and equity	14,525,789	15,197,569
Reportable legal entity | Parent (Antero)
Current assets:
Accounts receivable	91,944	46,419
Accounts receivable, related parties		125,000
Accrued revenue	201,320	317,886
Derivative instruments	816,444	422,849
Other current assets	10,313	10,731
Total current assets	1,120,021	922,885
Unproved properties	1,289,770	1,368,854
Proved properties	12,154,162	11,859,817
Gathering systems and facilities	5,802	5,802
Other property and equipment	72,312	71,895
Property and equipment, gross	13,522,046	13,306,368
Less accumulated depletion, depreciation, and amortization	(3,527,306)	(3,327,629)
Property and equipment, net	9,994,740	9,978,739
Operating leases right-of-use assets	2,814,539	2,886,500
Derivative instruments	284,461	333,174
Investment in consolidated affiliates	224,700	812,129
Investments in unconsolidated affiliates	67,289	243,048
Other assets	20,039	21,094
Total assets	14,525,789	15,197,569
Liabilities and Stockholders' Equity
Accounts payable	37,909	14,498
Accounts payable, related parties	421,247	397,333
Accrued liabilities	367,444	400,850
Revenue distributions payable	174,654	207,988
Derivative instruments		6,721
Short-term lease liabilities	295,658	305,320
Other current liabilities	7,315	6,879
Total current liabilities	1,304,227	1,339,589
Long-term debt	3,707,787	3,758,868
Deferred income tax liability	672,002	781,987
Derivative instruments	215	3,519
Long-term lease liabilities	2,520,939	2,583,678
Other liabilities	60,432	58,635
Total liabilities	8,265,602	8,526,276
Common stock	2,689	2,959
Additional paid-in capital	4,974,162	5,600,714
Accumulated earnings	1,283,336	1,067,620
Total equity	6,260,187	6,671,293
Total liabilities and equity	14,525,789	15,197,569
Reportable legal entity | Guarantor Subsidiaries
Current assets:
Accounts receivable, related parties	332,353	299,450
Total current assets	332,353	299,450
Investments in unconsolidated affiliates	224,700	812,129
Total assets	557,053	1,111,579
Liabilities and Stockholders' Equity
Additional paid-in capital	1,341,780	1,341,780
Accumulated earnings	(784,727)	(230,201)
Total equity	557,053	1,111,579
Total liabilities and equity	557,053	1,111,579
Eliminations
Current assets:
Accounts receivable, related parties	(332,353)	(299,450)
Total current assets	(332,353)	(299,450)
Investment in consolidated affiliates	(224,700)	(812,129)
Total assets	(557,053)	(1,111,579)
Liabilities and Stockholders' Equity
Accounts payable, related parties	(332,353)	(299,450)
Total current liabilities	(332,353)	(299,450)
Total liabilities	(332,353)	(299,450)
Additional paid-in capital	(224,700)	(812,129)
Total equity	(224,700)	(812,129)
Total liabilities and equity	$ (557,053)	$ (1,111,579)