Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss) including noncontrolling interest	$ 255,523	$ (296,644)
Adjustment to reconcile net income (loss) to net cash provided by operating activities:
Depletion, depreciation, amortization, and accretion	612,823	589,903
Impairment of unproved properties	83,098	47,223
Derivative fair value (gains) losses	(458,459)	(125,624)
Gains on settled derivatives	(137,392)	(813,559)
Proceeds from derivative monetizations	749,906
Deferred income tax expense (benefit)	105,087	(230,755)
Equity-based compensation expense	78,925	75,667
Equity in earnings of unconsolidated affiliate	(12,887)	(2,027)
Distributions of earnings from unconsolidated affiliates	10,120
Other	(1,191)	1,544
Changes in current assets and liabilities:
Accounts receivable	1,771	10,077
Accrued revenue	28,375	(68,248)
Other current assets	(3,836)	4,685
Accounts payable	4,731	5,683
Accrued liabilities	43,043	41,386
Revenue distributions payable	56,982	42,253
Other current liabilities	(977)	103
Net cash provided by operating activities	1,692,808	905,697
Cash flows used in investing activities:
Additions to proved properties	(179,318)	(64,789)
Additions to unproved properties	(182,207)	(559,572)
Drilling and completion costs	(946,508)	(1,009,851)
Additions to water handling and treatment systems	(143,470)	(137,355)
Additions to gathering systems and facilities	(254,619)	(154,136)
Additions to other property and equipment	(11,417)	(1,747)
Investments in unconsolidated affiliates	(216,776)	(45,044)
Change in other assets	(16,148)	(2,173)
Other	2,156
Net cash used in investing activities	(1,948,307)	(1,974,667)
Cash flows from financing activities:
Issuance of common stock		837,414
Issuance of common units by Antero Midstream Partners LP	248,949	19,605
Proceeds From Sale Of Interest In Partnership Unit	311,100	178,000
Issuance of senior notes		650,000
Borrowings (repayments) on bank credit facility, net	(198,000)	(552,000)
Payments of deferred financing costs		(9,029)
Distributions to noncontrolling interest in consolidated subsidiary	(102,053)	(51,238)
Employee tax withholding for settlement of equity compensation awards	(8,500)	(4,876)
Other	(3,913)	(3,867)
Net cash provided by financing activities	247,583	1,064,009
Net increase in cash and cash equivalents	(7,916)	(4,961)
Cash and cash equivalents, beginning of period	31,610	23,473
Cash and cash equivalents, end of period	23,694	18,512
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	174,324	132,928
Supplemental disclosure of noncash investing activities:
Increase (decrease) in accounts payable and accrued liabilities for additions to property and equipment	$ 3,084	$ 189,234