Subsidiary Guarantor (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue:
Natural gas sales									$ 1,301,349	$ 689,198	$ 259,743
Natural gas liquids sales									328,323	111,663	3,719
Oil sales									107,080	20,584	1,520
Gathering, compression, and water distribution									22,075
Marketing									53,604
Commodity derivative fair value gains									868,201	491,689	179,546
Gain on sale of gathering system									40,000		291,190
Total revenue	1,481,823	762,490	311,338	164,981	480,014	384,522	387,144	61,454	2,720,632	1,313,134	735,718
Operating expenses:
Lease operating									29,341	9,439	6,243
Gathering, compression, processing, and transportation expense									461,413	218,428	91,094
Production and ad valorem taxes									87,918	50,481	20,210
Marketing									103,435
Exploration									27,893	22,272	14,675
Impairment of unproved properties									15,198	10,928	12,070
Depletion, depreciation, and amortization									477,896	233,876	102,026
Accretion of asset retirement obligations									1,271	1,065	101
General and administrative									216,533	425,438	45,284
Total operating expenses	454,106	381,091	316,641	269,060	561,332	161,914	138,758	109,923	1,420,898	971,927	291,703
Operating income	1,027,717	381,399	(5,303)	(104,079)	(81,318)	222,608	248,386	(48,469)	1,299,734	341,207	444,015
Interest									(160,051)	(136,617)	(97,510)
Loss on early extinguishment of debt									(20,386)	(42,567)
Total other expenses									(180,437)	(179,184)	(97,510)
Income from continuing operations before income taxes and discontinued operations									1,119,297	162,023	346,505
Provision for income tax expense									(445,672)	(186,210)	(121,229)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest									673,625	(24,187)	225,276
Discontinued operations:
Income (loss) from discontinued operations			2,210		2,157	3,100			2,210	5,257	(510,345)
Net income (loss) and comprehensive income (loss) including noncontrolling interest	608,970	203,909	(42,285)	(94,759)					675,835	(18,930)	(285,069)
Net income (loss) and comprehensive income attributable to noncontrolling interest	2,248								2,248
Net income (loss) and comprehensive income (loss) attributable to Antero Resources Corporation	606,722	203,909	(42,285)	(94,759)	(223,020)	120,894	131,193	(47,997)	675,835	(18,930)	(285,069)
Net Income (Loss) Available to Common Stockholders, Basic									673,587	(18,930)	(285,069)
Reportable legal entity | Antero Resources Corp
Revenue:
Natural gas sales									1,301,349
Natural gas liquids sales									328,323
Oil sales									107,080
Gathering, compression, and water distribution									20,284
Marketing									53,604
Commodity derivative fair value gains									868,201
Gain on sale of gathering system									40,000
Fee income									143
Total revenue									2,718,984
Operating expenses:
Lease operating									29,341
Gathering, compression, processing, and transportation expense									480,367
Production and ad valorem taxes									85,945
Marketing									103,435
Exploration									27,893
Impairment of unproved properties									15,198
Depletion, depreciation, and amortization									471,372
Accretion of asset retirement obligations									1,271
General and administrative									212,316
Total operating expenses									1,427,138
Operating income									1,291,846
Interest									(159,585)
Loss on early extinguishment of debt									(20,386)
Equity in net income of subsidiaries									5,174
Total other expenses									(174,797)
Income from continuing operations before income taxes and discontinued operations									1,117,049
Provision for income tax expense									(445,672)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest									671,377
Discontinued operations:
Income (loss) from discontinued operations									2,210
Net income (loss) and comprehensive income (loss) including noncontrolling interest									673,587
Net Income (Loss) Available to Common Stockholders, Basic									673,587
Reportable legal entity | Non-Guarantor Subsidiaries
Revenue:
Gathering, compression, and water distribution									25,178
Total revenue									25,178
Operating expenses:
Gathering, compression, processing, and transportation expense									4,460
Production and ad valorem taxes									1,973
Depletion, depreciation, and amortization									6,524
General and administrative									4,333
Total operating expenses									17,290
Operating income									7,888
Interest									(466)
Total other expenses									(466)
Income from continuing operations before income taxes and discontinued operations									7,422
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest									7,422
Discontinued operations:
Net income (loss) and comprehensive income (loss) including noncontrolling interest									7,422
Net Income (Loss) Available to Common Stockholders, Basic									7,422
Eliminations
Revenue:
Gathering, compression, and water distribution									(23,387)
Fee income									(143)
Total revenue									(23,530)
Operating expenses:
Gathering, compression, processing, and transportation expense									(23,414)
General and administrative									(116)
Total operating expenses									(23,530)
Equity in net income of subsidiaries									(5,174)
Total other expenses									(5,174)
Income from continuing operations before income taxes and discontinued operations									(5,174)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest									(5,174)
Discontinued operations:
Net income (loss) and comprehensive income (loss) including noncontrolling interest									(5,174)
Net income (loss) and comprehensive income attributable to noncontrolling interest									2,248
Net Income (Loss) Available to Common Stockholders, Basic									$ (7,422)