Condensed Consolidating Financial Information - Cash Flows (Details) - USD ($) $ in Thousands |
|
3 Months Ended |
12 Months Ended |
Dec. 16, 2019 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Cash flows provided by (used in) operating activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) and comprehensive income (loss) including noncontrolling interests |
|
$ (482,196)
|
$ (878,864)
|
$ 42,168
|
$ 1,025,756
|
$ 18,736
|
$ (77,972)
|
$ (67,275)
|
$ 80,810
|
$ (293,136)
|
$ (45,701)
|
$ 785,137
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
|
|
|
Depletion, depreciation, amortization, and accretion |
|
|
|
|
|
|
|
|
|
918,629
|
975,284
|
827,220
|
Impairment of oil and gas properties |
|
|
|
|
|
|
|
|
|
1,300,444
|
549,437
|
159,598
|
Impairment of midstream assets |
|
|
|
|
|
|
|
|
|
14,782
|
9,658
|
23,431
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
1,782,816
|
|
|
Impairment of gathering systems and facilities |
|
|
|
|
|
|
|
|
|
|
|
23,431
|
Commodity derivative fair value (gains) losses |
|
|
|
|
|
|
|
|
|
(463,972)
|
87,594
|
(658,283)
|
Gains on settled commodity derivatives |
|
|
|
|
|
|
|
|
|
325,090
|
243,112
|
213,940
|
Premium paid on derivative contracts |
|
|
|
|
|
|
|
|
|
|
(13,318)
|
|
Proceeds from derivative monetizations |
|
|
|
|
|
|
|
|
|
|
370,365
|
749,906
|
Marketing derivative fair value (gains) losses |
|
|
|
|
|
|
|
|
|
0
|
(94,081)
|
21,394
|
Gains on settled marketing derivatives |
|
|
|
|
|
|
|
|
|
|
72,687
|
|
Deferred income tax expense (benefit) |
|
|
|
|
|
|
|
|
|
(79,158)
|
(128,857)
|
(295,126)
|
Gain on sale of assets |
|
|
|
|
|
|
|
|
|
951
|
|
|
Equity-based compensation expense |
|
|
|
|
|
|
|
|
|
23,559
|
70,414
|
103,445
|
Loss on sale of Antero Midstream Corporation shares |
|
|
|
|
|
|
|
|
|
108,745
|
|
|
Loss (gain) on early extinguishment of debt |
|
|
|
|
|
|
|
|
|
(36,419)
|
|
1,500
|
Equity in earnings (loss) of unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
143,216
|
(40,280)
|
(20,194)
|
Water earnout |
|
|
|
|
|
|
|
|
|
(125,000)
|
|
|
Distributions/dividends of earnings from unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
157,956
|
46,415
|
20,195
|
Gain on deconsolidation of Antero Midstream Partners LP |
|
|
|
|
$ (1,406,042)
|
|
|
|
|
(1,406,042)
|
|
|
Other |
|
|
|
|
|
|
|
|
|
10,681
|
4,681
|
(1,907)
|
Changes in current assets and liabilities |
|
|
|
|
|
|
|
|
|
35,542
|
(25,423)
|
76,035
|
Net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
1,103,458
|
2,081,987
|
2,006,291
|
Cash flows provided by (used in) investing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Additions to proved properties |
|
|
|
|
|
|
|
|
|
|
|
(175,650)
|
Additions to unproved properties |
|
|
|
|
|
|
|
|
|
(88,682)
|
(172,387)
|
(204,272)
|
Drilling and completion costs |
|
|
|
|
|
|
|
|
|
(1,254,118)
|
(1,488,573)
|
(1,281,985)
|
Additions to water handling and treatment systems |
|
|
|
|
|
|
|
|
|
(24,416)
|
(97,699)
|
(194,502)
|
Additions to gathering systems and facilities |
|
|
|
|
|
|
|
|
|
(48,239)
|
(444,413)
|
(346,217)
|
Additions to other property and equipment |
|
|
|
|
|
|
|
|
|
(6,700)
|
(7,514)
|
(14,127)
|
Investments in unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
(25,020)
|
(136,475)
|
(235,004)
|
Proceeds from sale of common stock of Antero Midstream Corporation |
|
|
|
|
|
|
|
|
|
100,000
|
|
|
Proceeds from the Antero Midstream Partners LP Transactions |
|
|
|
|
|
|
|
|
|
296,611
|
|
|
Change in other assets |
|
|
|
|
|
|
|
|
|
7,091
|
(3,663)
|
(12,029)
|
Change in other liabilities |
|
|
|
|
|
|
|
|
|
7,091
|
|
|
Proceeds from sale of assets |
|
|
|
|
|
|
|
|
|
1,983
|
|
2,156
|
Other |
|
|
|
|
|
|
|
|
|
|
|
2,156
|
Net cash used in investing activities |
|
|
|
|
|
|
|
|
|
(1,041,490)
|
(2,350,724)
|
(2,461,630)
|
Cash flows provided by (used in) financing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of common stock |
$ 100,000
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of common units by Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
|
|
248,956
|
Repurchases of common stock |
|
|
|
|
|
|
|
|
|
(38,772)
|
(129,084)
|
|
Sale of common units in Antero Midstream Partners LP by Antero Resources Corporation |
|
|
|
|
|
|
|
|
|
|
|
311,100
|
Issuance of senior notes by Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
650,000
|
|
|
Repayment of senior notes |
|
|
|
|
|
|
|
|
|
(191,092)
|
|
|
Borrowings on bank credit facilities, net |
|
|
|
|
|
|
|
|
|
232,000
|
660,379
|
90,000
|
Payments of deferred financing costs |
|
|
|
|
|
|
|
|
|
(4,547)
|
(2,169)
|
(16,377)
|
Distributions to noncontrolling interests in Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
(85,076)
|
(267,271)
|
(152,352)
|
Employee tax withholding for settlement of equity compensation awards |
|
|
|
|
|
|
|
|
|
(2,389)
|
(17,020)
|
(24,174)
|
Other |
|
|
|
|
|
|
|
|
|
(2,560)
|
(4,539)
|
(4,983)
|
Net cash provided by financing activities |
|
|
|
|
|
|
|
|
|
557,564
|
240,296
|
452,170
|
Antero Midstream Partners LP cash at deconsolidation |
|
|
|
|
|
|
|
|
|
(619,532)
|
|
|
Net increase (decrease) in cash and cash equivalents |
|
|
|
|
|
|
|
|
|
|
(28,441)
|
(3,169)
|
Cash and cash equivalents, beginning of period |
|
|
|
|
|
|
|
|
28,441
|
|
28,441
|
31,610
|
Cash and cash equivalents, end of period |
|
|
|
|
|
|
|
|
|
|
|
28,441
|
Reportable legal entity | Parent (Antero) |
|
|
|
|
|
|
|
|
|
|
|
|
Cash flows provided by (used in) operating activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) and comprehensive income (loss) including noncontrolling interests |
|
|
|
|
|
|
|
|
|
(109,928)
|
(397,517)
|
615,070
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
|
|
|
Depletion, depreciation, amortization, and accretion |
|
|
|
|
|
|
|
|
|
896,859
|
845,136
|
707,658
|
Change in fair value of contingent acquisition consideration |
|
|
|
|
|
|
|
|
|
|
93,019
|
(13,476)
|
Impairment of oil and gas properties |
|
|
|
|
|
|
|
|
|
1,300,444
|
549,437
|
159,598
|
Impairment of midstream assets |
|
|
|
|
|
|
|
|
|
7,800
|
4,470
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
1,451,334
|
|
|
Commodity derivative fair value (gains) losses |
|
|
|
|
|
|
|
|
|
(463,972)
|
87,594
|
(658,283)
|
Gains on settled commodity derivatives |
|
|
|
|
|
|
|
|
|
325,090
|
243,112
|
213,940
|
Premium paid on derivative contracts |
|
|
|
|
|
|
|
|
|
|
(13,318)
|
|
Proceeds from derivative monetizations |
|
|
|
|
|
|
|
|
|
|
370,365
|
749,906
|
Marketing derivative fair value (gains) losses |
|
|
|
|
|
|
|
|
|
|
(94,081)
|
21,394
|
Gains on settled marketing derivatives |
|
|
|
|
|
|
|
|
|
|
72,687
|
|
Deferred income tax expense (benefit) |
|
|
|
|
|
|
|
|
|
(79,158)
|
(128,857)
|
(295,126)
|
Gain on sale of assets |
|
|
|
|
|
|
|
|
|
951
|
|
|
Equity-based compensation expense |
|
|
|
|
|
|
|
|
|
21,082
|
49,341
|
76,162
|
Loss on sale of Antero Midstream Corporation shares |
|
|
|
|
|
|
|
|
|
108,745
|
|
|
Loss (gain) on early extinguishment of debt |
|
|
|
|
|
|
|
|
|
(36,419)
|
|
1,205
|
Equity in earnings of consolidated subsidiaries |
|
|
|
|
|
|
|
|
|
(15,021)
|
3,664
|
43,710
|
Equity in earnings of affiliates |
|
|
|
|
|
|
|
|
|
(15,021)
|
|
|
Equity in earnings (loss) of unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
49,442
|
|
|
Water earnout |
|
|
|
|
|
|
|
|
|
(125,000)
|
|
|
Distributions/dividends of earnings from unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
145,351
|
|
|
Gain on deconsolidation of Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
(1,205,705)
|
|
|
Distributions from Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
94,391
|
|
|
Distributions from subsidiaries |
|
|
|
|
|
|
|
|
|
|
159,181
|
131,598
|
Other |
|
|
|
|
|
|
|
|
|
(37,991)
|
4,681
|
(4,500)
|
Changes in current assets and liabilities |
|
|
|
|
|
|
|
|
|
29,307
|
(26,059)
|
87,466
|
Net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
1,049,358
|
1,822,855
|
1,836,322
|
Cash flows provided by (used in) investing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Additions to proved properties |
|
|
|
|
|
|
|
|
|
|
|
(175,650)
|
Additions to unproved properties |
|
|
|
|
|
|
|
|
|
(88,682)
|
(172,387)
|
(204,272)
|
Drilling and completion costs |
|
|
|
|
|
|
|
|
|
(1,274,683)
|
(1,743,587)
|
(1,455,554)
|
Additions to gathering systems and facilities |
|
|
|
|
|
|
|
|
|
|
103
|
|
Additions to other property and equipment |
|
|
|
|
|
|
|
|
|
(5,638)
|
(7,441)
|
(14,127)
|
Proceeds from sale of common stock of Antero Midstream Corporation |
|
|
|
|
|
|
|
|
|
100,000
|
|
|
Proceeds from the Antero Midstream Partners LP Transactions |
|
|
|
|
|
|
|
|
|
296,611
|
|
|
Change in other assets |
|
|
|
|
|
|
|
|
|
|
(72)
|
(8,594)
|
Change in other liabilities |
|
|
|
|
|
|
|
|
|
10,448
|
|
|
Proceeds from sale of assets |
|
|
|
|
|
|
|
|
|
1,983
|
|
|
Other |
|
|
|
|
|
|
|
|
|
|
|
2,156
|
Net cash used in investing activities |
|
|
|
|
|
|
|
|
|
(959,961)
|
(1,923,384)
|
(1,856,041)
|
Cash flows provided by (used in) financing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Repurchases of common stock |
|
|
|
|
|
|
|
|
|
(38,772)
|
(129,084)
|
|
Sale of common units in Antero Midstream Partners LP by Antero Resources Corporation |
|
|
|
|
|
|
|
|
|
|
|
311,100
|
Repayment of senior notes |
|
|
|
|
|
|
|
|
|
(191,092)
|
|
|
Borrowings on bank credit facilities, net |
|
|
|
|
|
|
|
|
|
141,621
|
225,379
|
(255,000)
|
Payments of deferred financing costs |
|
|
|
|
|
|
|
|
|
2,921
|
|
(10,857)
|
Employee tax withholding for settlement of equity compensation awards |
|
|
|
|
|
|
|
|
|
(2,360)
|
(11,491)
|
(18,229)
|
Other |
|
|
|
|
|
|
|
|
|
(1,715)
|
(4,353)
|
(4,785)
|
Net cash provided by financing activities |
|
|
|
|
|
|
|
|
|
(89,397)
|
80,451
|
22,229
|
Net increase (decrease) in cash and cash equivalents |
|
|
|
|
|
|
|
|
|
|
(20,078)
|
2,510
|
Cash and cash equivalents, beginning of period |
|
|
|
|
|
|
|
|
20,078
|
|
20,078
|
17,568
|
Cash and cash equivalents, end of period |
|
|
|
|
|
|
|
|
|
|
|
20,078
|
Reportable legal entity | Guarantor Subsidiaries |
|
|
|
|
|
|
|
|
|
|
|
|
Cash flows provided by (used in) operating activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) and comprehensive income (loss) including noncontrolling interests |
|
|
|
|
|
|
|
|
|
(230,201)
|
|
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
324,500
|
|
|
Equity in earnings (loss) of unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
106,038
|
|
|
Gain on deconsolidation of Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
(200,337)
|
|
|
Reportable legal entity | Non-Guarantor Subsidiaries |
|
|
|
|
|
|
|
|
|
|
|
|
Cash flows provided by (used in) operating activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) and comprehensive income (loss) including noncontrolling interests |
|
|
|
|
|
|
|
|
|
99,518
|
585,944
|
307,315
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
|
|
|
Depletion, depreciation, amortization, and accretion |
|
|
|
|
|
|
|
|
|
21,770
|
130,148
|
119,562
|
Change in fair value of contingent acquisition consideration |
|
|
|
|
|
|
|
|
|
|
(93,019)
|
13,476
|
Impairment of midstream assets |
|
|
|
|
|
|
|
|
|
6,982
|
5,771
|
23,431
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
6,982
|
|
|
Impairment of gathering systems and facilities |
|
|
|
|
|
|
|
|
|
|
|
23,431
|
Gain on sale of assets |
|
|
|
|
|
|
|
|
|
|
(583)
|
|
Equity-based compensation expense |
|
|
|
|
|
|
|
|
|
2,477
|
21,073
|
27,283
|
Loss (gain) on early extinguishment of debt |
|
|
|
|
|
|
|
|
|
|
|
295
|
Equity in earnings (loss) of unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
(12,264)
|
(40,280)
|
(20,194)
|
Distributions/dividends of earnings from unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
12,605
|
46,415
|
20,195
|
Other |
|
|
|
|
|
|
|
|
|
750
|
2,879
|
2,593
|
Changes in current assets and liabilities |
|
|
|
|
|
|
|
|
|
(10,573)
|
(788)
|
(18,160)
|
Net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
121,265
|
657,560
|
475,796
|
Cash flows provided by (used in) investing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Additions to water handling and treatment systems |
|
|
|
|
|
|
|
|
|
(24,547)
|
(88,674)
|
(195,162)
|
Additions to gathering systems and facilities |
|
|
|
|
|
|
|
|
|
(48,239)
|
(446,270)
|
(346,217)
|
Additions to other property and equipment |
|
|
|
|
|
|
|
|
|
(1,062)
|
|
|
Investments in unconsolidated affiliates |
|
|
|
|
|
|
|
|
|
(25,020)
|
(136,475)
|
(235,004)
|
Change in other assets |
|
|
|
|
|
|
|
|
|
|
(3,591)
|
(3,435)
|
Change in other liabilities |
|
|
|
|
|
|
|
|
|
(3,357)
|
2,273
|
|
Other |
|
|
|
|
|
|
|
|
|
|
6,150
|
|
Net cash used in investing activities |
|
|
|
|
|
|
|
|
|
(102,225)
|
(666,587)
|
(779,818)
|
Cash flows provided by (used in) financing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of common units by Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
|
|
248,956
|
Issuance of senior notes by Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
650,000
|
|
|
Borrowings on bank credit facilities, net |
|
|
|
|
|
|
|
|
|
90,379
|
435,000
|
345,000
|
Payments of deferred financing costs |
|
|
|
|
|
|
|
|
|
(7,468)
|
(2,169)
|
(5,520)
|
Distributions to noncontrolling interests in Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
(131,545)
|
(426,452)
|
(283,950)
|
Employee tax withholding for settlement of equity compensation awards |
|
|
|
|
|
|
|
|
|
(29)
|
(5,529)
|
(5,945)
|
Other |
|
|
|
|
|
|
|
|
|
(845)
|
(186)
|
(198)
|
Net cash provided by financing activities |
|
|
|
|
|
|
|
|
|
600,492
|
664
|
298,343
|
Antero Midstream Partners LP cash at deconsolidation |
|
|
|
|
|
|
|
|
|
(619,532)
|
|
|
Net increase (decrease) in cash and cash equivalents |
|
|
|
|
|
|
|
|
|
|
(8,363)
|
(5,679)
|
Cash and cash equivalents, beginning of period |
|
|
|
|
|
|
|
|
$ 8,363
|
|
8,363
|
14,042
|
Cash and cash equivalents, end of period |
|
|
|
|
|
|
|
|
|
|
|
8,363
|
Eliminations |
|
|
|
|
|
|
|
|
|
|
|
|
Cash flows provided by (used in) operating activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) and comprehensive income (loss) including noncontrolling interests |
|
|
|
|
|
|
|
|
|
(52,525)
|
(234,128)
|
(137,248)
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
|
|
|
Change in fair value of contingent acquisition consideration |
|
|
|
|
|
|
|
|
|
|
|
(13,476)
|
Impairment of midstream assets |
|
|
|
|
|
|
|
|
|
|
(583)
|
|
Gain on sale of assets |
|
|
|
|
|
|
|
|
|
|
583
|
|
Equity in earnings of consolidated subsidiaries |
|
|
|
|
|
|
|
|
|
15,021
|
(3,664)
|
(43,710)
|
Equity in earnings of affiliates |
|
|
|
|
|
|
|
|
|
15,021
|
|
|
Distributions from Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
(94,391)
|
|
|
Distributions from subsidiaries |
|
|
|
|
|
|
|
|
|
|
(159,181)
|
(131,598)
|
Other |
|
|
|
|
|
|
|
|
|
47,922
|
(2,879)
|
|
Changes in current assets and liabilities |
|
|
|
|
|
|
|
|
|
16,808
|
1,424
|
6,729
|
Net cash provided by operating activities |
|
|
|
|
|
|
|
|
|
(67,165)
|
(398,428)
|
(305,827)
|
Cash flows provided by (used in) investing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Drilling and completion costs |
|
|
|
|
|
|
|
|
|
20,565
|
255,014
|
173,569
|
Additions to water handling and treatment systems |
|
|
|
|
|
|
|
|
|
131
|
(9,025)
|
660
|
Additions to gathering systems and facilities |
|
|
|
|
|
|
|
|
|
|
1,754
|
|
Additions to other property and equipment |
|
|
|
|
|
|
|
|
|
|
(73)
|
|
Change in other liabilities |
|
|
|
|
|
|
|
|
|
|
(2,273)
|
|
Other |
|
|
|
|
|
|
|
|
|
|
(6,150)
|
|
Net cash used in investing activities |
|
|
|
|
|
|
|
|
|
20,696
|
239,247
|
174,229
|
Cash flows provided by (used in) financing activities: |
|
|
|
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in Antero Midstream Partners LP |
|
|
|
|
|
|
|
|
|
46,469
|
159,181
|
131,598
|
Net cash provided by financing activities |
|
|
|
|
|
|
|
|
|
$ 46,469
|
$ 159,181
|
$ 131,598
|