Reporting Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) segment item	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Reporting Segments
Number of reportable segments | segment			2
Revenues:
Revenue	$ 266,205	$ 193,629	$ 746,188	$ 562,165
Gain on sale of assets - Antero Resources			583
Total revenue	266,205	193,629	746,771	562,165
Operating expenses:
Direct operating	81,475	63,030	224,354	162,892
General and administrative expense (before equity-based compensation)	10,490	7,117	28,361	23,126
Equity-based compensation	4,528	7,199	16,606	20,436
Impairment of property and equipment	1,157		5,771
Depreciation	38,456	30,556	107,321	88,604
Accretion of contingent acquisition consideration	4,020	2,556	11,841	9,672
Accretion of asset retirement obligations	33		101
Total operating expenses	140,159	110,458	394,355	304,730
Operating income	126,046	83,171	352,416	257,435
Equity in earnings of unconsolidated affiliates	10,706	7,033	27,832	12,887
Total assets	3,414,828	2,895,391	3,414,828	2,895,391	$ 3,042,209
Additions to property and equipment	150,141	147,273	405,948	398,089
Antero Resources
Revenues:
Revenue	266,100	193,629	745,533	561,901
Third party
Revenues:
Revenue	105		655	264
Gathering And Processing
Revenues:
Gain on sale of assets - Antero Resources			583
Total revenue	133,202	100,518	360,098	290,939
Operating expenses:
Direct operating	12,317	10,560	36,103	28,596
General and administrative expense (before equity-based compensation)	8,117	4,225	21,062	15,242
Equity-based compensation	3,666	5,111	13,078	14,937
Impairment of property and equipment	1,157		5,771
Depreciation	25,830	21,803	73,502	63,773
Total operating expenses	51,087	41,699	149,516	122,548
Operating income	82,115	58,819	210,582	168,391
Equity in earnings of unconsolidated affiliates	10,706	7,033	27,832	12,887
Total assets	2,483,494	2,142,409	2,483,494	2,142,409
Additions to property and equipment	130,870	99,254	337,623	254,619
Gathering And Processing | Antero Resources
Revenues:
Revenue	133,202	100,518	$ 359,515	290,675
Gathering And Processing | Third party
Revenues:
Revenue				264
Water Handling and Treatment
Reporting Segments
Number of independent fresh water systems | item			2
Revenues:
Total revenue	133,003	93,111	$ 386,673	271,226
Operating expenses:
Direct operating	69,158	52,470	188,251	134,296
General and administrative expense (before equity-based compensation)	2,373	2,892	7,299	7,884
Equity-based compensation	862	2,088	3,528	5,499
Depreciation	12,626	8,753	33,819	24,831
Accretion of contingent acquisition consideration	4,020	2,556	11,841	9,672
Accretion of asset retirement obligations	33		101
Total operating expenses	89,072	68,759	244,839	182,182
Operating income	43,931	24,352	141,834	89,044
Total assets	931,334	752,982	931,334	752,982
Additions to property and equipment	19,271	48,019	68,325	143,470
Water Handling and Treatment | Antero Resources
Revenues:
Revenue	132,898	$ 93,111	386,018	$ 271,226
Water Handling and Treatment | Third party
Revenues:
Revenue	$ 105		$ 655