Reportable Segments (Details) $ in Thousands		3 Months Ended	12 Months Ended
	Mar. 12, 2019 segment	Mar. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) segment item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Reporting Segments
Number of reportable segments | segment			2
Revenues:
Amortization of customer relationships			$ (70,672)	$ (70,672)	$ (57,010)
Total revenue			898,202	900,719	792,588
Operating expenses:
Direct operating			157,120	165,386	195,818
General and administrative			63,838	52,213	118,113
Facility idling			3,997	15,219	11,401
Impairment of goodwill				575,461	340,350
Impairment of property and equipment		$ 89,000	5,042	98,179	409,739
Impairment of customer relationships					11,871
Depreciation			108,790	108,790	95,526
Accretion and change in fair value of contingent acquisition consideration					8,076
Accretion of asset retirement obligations			460	180	187
Loss on asset sale			3,628	2,929
Total operating expenses			342,875	1,018,357	1,191,081
Operating income (loss)			555,327	(117,638)	(398,493)
Equity in earnings of unconsolidated affiliates			90,451	86,430	51,315
Total assets			5,544,001	5,610,912	6,282,878
Additions to property and equipment			232,825	196,724	391,990
AMGP
Reporting Segments
Number of reportable segments | segment	0
Antero
Revenues:
Total operating revenues			968,358	971,391	849,548
Third party
Revenues:
Total operating revenues			516		50
Gathering And Processing.
Revenues:
Amortization of customer relationships			$ (37,086)	(37,086)	(29,850)
Water Handling
Reporting Segments
Number of independent fresh water systems | item			2
Revenues:
Amortization of customer relationships			$ (33,586)	(33,586)	(27,160)
Operating Segments | Gathering And Processing.
Revenues:
Amortization of customer relationships			(37,086)	(37,086)	(29,850)
Total revenue			712,651	674,373	513,688
Operating expenses:
Direct operating			65,983	56,508	41,546
General and administrative			36,380	29,899	26,221
Impairment of goodwill				575,461
Impairment of property and equipment			4,608	947	592
Depreciation			59,692	57,300	39,652
Loss on asset sale			3,628	2,689
Total operating expenses			170,291	722,804	108,011
Operating income (loss)			542,360	(48,431)	405,677
Equity in earnings of unconsolidated affiliates			90,451	86,430	51,315
Total assets			4,450,939	4,364,848	4,891,114
Additions to property and equipment			186,588	157,931	267,383
Operating Segments | Gathering And Processing. | Antero
Revenues:
Total operating revenues			749,737	711,459	543,538
Operating Segments | Water Handling
Revenues:
Amortization of customer relationships			(33,586)	(33,586)	(27,160)
Total revenue			185,551	226,346	278,900
Operating expenses:
Direct operating			91,137	108,878	154,272
General and administrative			22,817	14,184	13,028
Facility idling			3,997	15,219	11,401
Impairment of goodwill					340,350
Impairment of property and equipment			434	97,232	409,147
Impairment of customer relationships					11,871
Depreciation			49,098	51,490	55,874
Accretion and change in fair value of contingent acquisition consideration					8,076
Accretion of asset retirement obligations			460	180	187
Loss on asset sale				240
Total operating expenses			167,943	287,423	1,004,206
Operating income (loss)			17,608	(61,077)	(725,306)
Total assets			1,092,122	1,125,318	1,287,245
Additions to property and equipment			46,237	38,793	124,607
Operating Segments | Water Handling | Antero
Revenues:
Total operating revenues			218,621	259,932	306,010
Operating Segments | Water Handling | Third party
Revenues:
Total operating revenues			516		50
Unallocated
Operating expenses:
General and administrative			4,641	8,130	78,864
Total operating expenses			4,641	8,130	78,864
Operating income (loss)			(4,641)	(8,130)	(78,864)
Total assets			$ 940	$ 120,746	$ 104,519