Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income (loss) including noncontrolling interest	$ 979,996	$ 675,835	$ (18,930)
Adjustment to reconcile net income (loss) to net cash provided by operating activities:
Depletion, depreciation, amortization, and accretion	711,418	479,167	234,941
Impairment of unproved properties	104,321	15,198	10,928
Derivative fair value (gains) losses	(2,381,501)	(868,201)	(491,689)
Gains (losses) on settled derivatives	856,572	135,784	163,570
Deferred income tax expense (benefit)	575,890	445,672	190,210
Gain on sale of assets		(40,000)
Equity-based compensation expense	97,877	112,252	365,280
Loss on early extinguishment of debt		20,386	42,567
Gain on sale of discontinued operations		(3,564)	(8,506)
Deferred income tax expense - discontinued operations		1,354	3,249
Other	31,741	6,433	1,173
Changes in current assets and liabilities:
Accounts receivable	(3,201)	(45,593)	(9,314)
Accrued revenue	63,316	(94,733)	(50,156)
Other current assets	(2,221)	(2,891)	19,543
Accounts payable	5,200	(11,710)	1,039
Accrued liabilities	13,210	85,953	26,803
Revenue distributions payable	(52,403)	85,763	50,552
Other current liabilities	6,166	1,016	3,447
Net cash provided by operating activities	1,006,381	998,121	534,707
Cash flows used in investing activities:
Additions to proved properties		(64,066)	(15,300)
Additions to unproved properties	(198,694)	(777,422)	(440,825)
Drilling and completion costs	(1,651,282)	(2,477,150)	(1,615,965)
Additions to water handling and treatment systems	(131,051)	(196,675)	(203,790)
Additions to gathering systems and facilities	(360,287)	(558,037)	(389,453)
Additions to other property and equipment	(6,595)	(13,218)	(6,240)
Change in other assets	9,750	(3,082)	(2,019)
Proceeds from asset sales	40,000
Net cash used in investing activities	(2,298,159)	(4,089,650)	(2,673,592)
Cash flows from financing activities:
Issuance of common stock	537,832		1,578,573
Issuance of common units in Antero Midstream Partners LP	240,703	1,087,224
Issuance of senior notes	750,000	1,102,500	1,231,750
Repayment of senior notes		(260,000)	(690,000)
Borrowings (repayments) on bank credit facility, net	(403,000)	1,442,000	71,000
Make-whole premium on debt extinguished		(17,383)	(33,041)
Payments of deferred financing costs	(17,293)	(31,543)	(20,899)
Distributions to noncontrolling interest in consolidated subsidiary	(34,129)
Other	(4,841)	(2,777)
Net cash provided by financing activities	1,069,272	3,320,021	2,137,383
Net increase (decrease) in cash and cash equivalents	(222,506)	228,492	(1,502)
Cash and cash equivalents, beginning of period	245,979	17,487	18,989
Cash and cash equivalents, end of period	23,473	245,979	17,487
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	219,945	163,055	117,832
Supplemental disclosure of noncash investing activities:
Increase (decrease) in accounts payable and accrued liabilities for additions to property and equipment	$ (169,783)	$ 181,591	$ 188,123